/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/09-regions_01-list_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-5b77e9fc37942d960732eb3788a90132329d3bc4-5b77e9f [2021-10-19 14:24:23,244 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-19 14:24:23,338 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 14:24:23,354 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-19 14:24:23,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-19 14:24:23,355 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-19 14:24:23,355 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-19 14:24:23,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-19 14:24:23,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-19 14:24:23,356 INFO L138 SettingsManager]: * Use SBE=true [2021-10-19 14:24:23,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-19 14:24:23,356 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-19 14:24:23,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-19 14:24:23,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-19 14:24:23,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-19 14:24:23,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-19 14:24:23,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-19 14:24:23,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-19 14:24:23,358 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-19 14:24:23,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-19 14:24:23,358 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-19 14:24:23,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-19 14:24:23,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-19 14:24:23,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-19 14:24:23,358 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-19 14:24:23,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-19 14:24:23,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:24:23,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-19 14:24:23,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-19 14:24:23,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-19 14:24:23,359 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-19 14:24:23,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-19 14:24:23,359 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-19 14:24:23,359 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-19 14:24:23,359 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-19 14:24:23,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-19 14:24:23,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-19 14:24:23,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-19 14:24:23,553 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-19 14:24:23,553 INFO L275 PluginConnector]: CDTParser initialized [2021-10-19 14:24:23,554 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_01-list_rc.i [2021-10-19 14:24:23,598 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eed5b991/1dc7aa7cd1af4597a8a12cb5b6017fcb/FLAG74bb71fea [2021-10-19 14:24:24,052 INFO L306 CDTParser]: Found 1 translation units. [2021-10-19 14:24:24,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_01-list_rc.i [2021-10-19 14:24:24,071 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eed5b991/1dc7aa7cd1af4597a8a12cb5b6017fcb/FLAG74bb71fea [2021-10-19 14:24:24,083 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eed5b991/1dc7aa7cd1af4597a8a12cb5b6017fcb [2021-10-19 14:24:24,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-19 14:24:24,089 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-19 14:24:24,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-19 14:24:24,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-19 14:24:24,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-19 14:24:24,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:24:24" (1/1) ... [2021-10-19 14:24:24,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e1ca4fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:24, skipping insertion in model container [2021-10-19 14:24:24,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:24:24" (1/1) ... [2021-10-19 14:24:24,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-19 14:24:24,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-19 14:24:24,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:24:24,450 INFO L203 MainTranslator]: Completed pre-run [2021-10-19 14:24:24,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:24:24,530 INFO L208 MainTranslator]: Completed translation [2021-10-19 14:24:24,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:24 WrapperNode [2021-10-19 14:24:24,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-19 14:24:24,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-19 14:24:24,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-19 14:24:24,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-19 14:24:24,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:24" (1/1) ... [2021-10-19 14:24:24,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:24" (1/1) ... [2021-10-19 14:24:24,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-19 14:24:24,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-19 14:24:24,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-19 14:24:24,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-19 14:24:24,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:24" (1/1) ... [2021-10-19 14:24:24,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:24" (1/1) ... [2021-10-19 14:24:24,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:24" (1/1) ... [2021-10-19 14:24:24,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:24" (1/1) ... [2021-10-19 14:24:24,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:24" (1/1) ... [2021-10-19 14:24:24,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:24" (1/1) ... [2021-10-19 14:24:24,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:24" (1/1) ... [2021-10-19 14:24:24,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-19 14:24:24,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-19 14:24:24,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-19 14:24:24,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-19 14:24:24,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:24" (1/1) ... [2021-10-19 14:24:24,648 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:24:24,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-19 14:24:24,666 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 14:24:24,672 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 14:24:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-19 14:24:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-19 14:24:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-19 14:24:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-19 14:24:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-19 14:24:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-19 14:24:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-19 14:24:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-19 14:24:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-19 14:24:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-19 14:24:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-19 14:24:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-19 14:24:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-19 14:24:24,693 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 14:24:25,176 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-19 14:24:25,177 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-19 14:24:25,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:24:25 BoogieIcfgContainer [2021-10-19 14:24:25,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-19 14:24:25,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-19 14:24:25,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-19 14:24:25,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-19 14:24:25,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 02:24:24" (1/3) ... [2021-10-19 14:24:25,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6b9dd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:24:25, skipping insertion in model container [2021-10-19 14:24:25,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:24" (2/3) ... [2021-10-19 14:24:25,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6b9dd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:24:25, skipping insertion in model container [2021-10-19 14:24:25,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:24:25" (3/3) ... [2021-10-19 14:24:25,186 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_01-list_rc.i [2021-10-19 14:24:25,190 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-19 14:24:25,191 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-19 14:24:25,191 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-10-19 14:24:25,191 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-19 14:24:25,233 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,234 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,234 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,234 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,234 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,234 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,234 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,234 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,234 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,235 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,235 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,235 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,235 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,235 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,236 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,236 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,236 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,236 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,236 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,236 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,236 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,237 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,237 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,237 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,237 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,237 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,237 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,237 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,237 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,238 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,238 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,238 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,238 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,239 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,239 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,239 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,239 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,239 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,239 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,239 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,239 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,239 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,239 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,240 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,240 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,240 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,240 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,240 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,240 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,240 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,240 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,241 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,241 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,241 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,241 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,241 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,241 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,242 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,242 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,242 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,242 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,242 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,242 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,242 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,242 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,242 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,243 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,243 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,243 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,243 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,243 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,243 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,243 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,244 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,244 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,244 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,244 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,245 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,245 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,245 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,245 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,245 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,245 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,245 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,246 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,246 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,246 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,246 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,246 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,246 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,246 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,247 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,247 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,251 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,251 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,251 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,251 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,251 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,252 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,252 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,252 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,252 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,252 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,252 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,252 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,252 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,253 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,253 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,253 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,253 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,254 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,254 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,254 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,255 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,255 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,255 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,255 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,255 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,255 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,255 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,255 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,255 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,255 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,256 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,256 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,256 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,256 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,256 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,256 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,257 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,257 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,257 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,257 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,257 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,257 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,257 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,257 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,257 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,257 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,258 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,258 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,258 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,258 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,258 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,258 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,261 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,261 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,261 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,261 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,262 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,262 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,262 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,262 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,264 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,264 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,264 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,264 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,264 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,264 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,264 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,264 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,265 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,265 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,265 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,265 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,265 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,265 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,265 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,266 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,266 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,266 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,266 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,266 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,266 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,267 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,271 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,271 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,272 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,272 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,274 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,275 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,278 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,278 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,278 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,278 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,278 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,283 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,283 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,284 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,284 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,284 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,284 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,285 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,286 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,286 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,290 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-19 14:24:25,328 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-19 14:24:25,333 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 14:24:25,333 INFO L340 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2021-10-19 14:24:25,344 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 199 places, 195 transitions, 395 flow [2021-10-19 14:24:25,404 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2170 states, 2131 states have (on average 1.9446269357109338) internal successors, (4144), 2169 states have internal predecessors, (4144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:25,413 INFO L276 IsEmpty]: Start isEmpty. Operand has 2170 states, 2131 states have (on average 1.9446269357109338) internal successors, (4144), 2169 states have internal predecessors, (4144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:25,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-19 14:24:25,419 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:25,420 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] [2021-10-19 14:24:25,420 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:25,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:25,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1272333470, now seen corresponding path program 1 times [2021-10-19 14:24:25,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:25,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612404044] [2021-10-19 14:24:25,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:25,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:25,710 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 14:24:25,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:25,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612404044] [2021-10-19 14:24:25,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612404044] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:25,711 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:25,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:24:25,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912820122] [2021-10-19 14:24:25,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:24:25,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:25,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:24:25,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:25,730 INFO L87 Difference]: Start difference. First operand has 2170 states, 2131 states have (on average 1.9446269357109338) internal successors, (4144), 2169 states have internal predecessors, (4144), 0 states have call successors, (0), 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 7.6) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:25,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:25,929 INFO L93 Difference]: Finished difference Result 2168 states and 4142 transitions. [2021-10-19 14:24:25,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:24:25,931 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-10-19 14:24:25,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:25,951 INFO L225 Difference]: With dead ends: 2168 [2021-10-19 14:24:25,951 INFO L226 Difference]: Without dead ends: 2168 [2021-10-19 14:24:25,952 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.9ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:25,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2168 states. [2021-10-19 14:24:26,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2168 to 2168. [2021-10-19 14:24:26,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2168 states, 2131 states have (on average 1.94368840919756) internal successors, (4142), 2167 states have internal predecessors, (4142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:26,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 2168 states and 4142 transitions. [2021-10-19 14:24:26,043 INFO L78 Accepts]: Start accepts. Automaton has 2168 states and 4142 transitions. Word has length 38 [2021-10-19 14:24:26,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:26,043 INFO L470 AbstractCegarLoop]: Abstraction has 2168 states and 4142 transitions. [2021-10-19 14:24:26,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:26,044 INFO L276 IsEmpty]: Start isEmpty. Operand 2168 states and 4142 transitions. [2021-10-19 14:24:26,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-19 14:24:26,044 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:26,044 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 14:24:26,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-19 14:24:26,045 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:26,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:26,048 INFO L82 PathProgramCache]: Analyzing trace with hash -2018442686, now seen corresponding path program 1 times [2021-10-19 14:24:26,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:26,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82892467] [2021-10-19 14:24:26,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:26,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:26,161 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 14:24:26,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:26,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82892467] [2021-10-19 14:24:26,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82892467] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:26,162 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:26,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:24:26,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343455295] [2021-10-19 14:24:26,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:24:26,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:26,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:24:26,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:26,164 INFO L87 Difference]: Start difference. First operand 2168 states and 4142 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 14:24:26,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:26,379 INFO L93 Difference]: Finished difference Result 2166 states and 4140 transitions. [2021-10-19 14:24:26,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:24:26,379 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 14:24:26,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:26,386 INFO L225 Difference]: With dead ends: 2166 [2021-10-19 14:24:26,395 INFO L226 Difference]: Without dead ends: 2166 [2021-10-19 14:24:26,395 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.4ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:26,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2166 states. [2021-10-19 14:24:26,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2166 to 2166. [2021-10-19 14:24:26,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2166 states, 2131 states have (on average 1.9427498826841858) internal successors, (4140), 2165 states have internal predecessors, (4140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:26,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 2166 states and 4140 transitions. [2021-10-19 14:24:26,430 INFO L78 Accepts]: Start accepts. Automaton has 2166 states and 4140 transitions. Word has length 46 [2021-10-19 14:24:26,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:26,431 INFO L470 AbstractCegarLoop]: Abstraction has 2166 states and 4140 transitions. [2021-10-19 14:24:26,431 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 14:24:26,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2166 states and 4140 transitions. [2021-10-19 14:24:26,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-19 14:24:26,435 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:26,436 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] [2021-10-19 14:24:26,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-19 14:24:26,436 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:26,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:26,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1882890265, now seen corresponding path program 1 times [2021-10-19 14:24:26,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:26,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792583674] [2021-10-19 14:24:26,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:26,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:26,502 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 14:24:26,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:26,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792583674] [2021-10-19 14:24:26,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792583674] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:26,502 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:26,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:24:26,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999605983] [2021-10-19 14:24:26,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:24:26,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:26,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:24:26,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:24:26,503 INFO L87 Difference]: Start difference. First operand 2166 states and 4140 transitions. Second operand has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:26,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:26,527 INFO L93 Difference]: Finished difference Result 2165 states and 4139 transitions. [2021-10-19 14:24:26,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:24:26,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-10-19 14:24:26,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:26,534 INFO L225 Difference]: With dead ends: 2165 [2021-10-19 14:24:26,534 INFO L226 Difference]: Without dead ends: 2165 [2021-10-19 14:24:26,535 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:24:26,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2165 states. [2021-10-19 14:24:26,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2165 to 2165. [2021-10-19 14:24:26,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2165 states, 2131 states have (on average 1.9422806194274989) internal successors, (4139), 2164 states have internal predecessors, (4139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:26,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 2165 states and 4139 transitions. [2021-10-19 14:24:26,568 INFO L78 Accepts]: Start accepts. Automaton has 2165 states and 4139 transitions. Word has length 52 [2021-10-19 14:24:26,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:26,570 INFO L470 AbstractCegarLoop]: Abstraction has 2165 states and 4139 transitions. [2021-10-19 14:24:26,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:26,570 INFO L276 IsEmpty]: Start isEmpty. Operand 2165 states and 4139 transitions. [2021-10-19 14:24:26,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-19 14:24:26,570 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:26,570 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 14:24:26,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-19 14:24:26,571 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:26,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:26,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1815487457, now seen corresponding path program 1 times [2021-10-19 14:24:26,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:26,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231870839] [2021-10-19 14:24:26,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:26,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:26,600 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 14:24:26,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:26,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231870839] [2021-10-19 14:24:26,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231870839] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:26,600 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:26,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:24:26,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545122074] [2021-10-19 14:24:26,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:24:26,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:26,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:24:26,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:24:26,602 INFO L87 Difference]: Start difference. First operand 2165 states and 4139 transitions. Second operand has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 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 14:24:26,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:26,621 INFO L93 Difference]: Finished difference Result 2035 states and 3884 transitions. [2021-10-19 14:24:26,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:24:26,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 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 14:24:26,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:26,627 INFO L225 Difference]: With dead ends: 2035 [2021-10-19 14:24:26,627 INFO L226 Difference]: Without dead ends: 2035 [2021-10-19 14:24:26,628 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:24:26,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2035 states. [2021-10-19 14:24:26,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2035 to 2035. [2021-10-19 14:24:26,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2035 states, 2017 states have (on average 1.92563212692117) internal successors, (3884), 2034 states have internal predecessors, (3884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:26,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 2035 states and 3884 transitions. [2021-10-19 14:24:26,682 INFO L78 Accepts]: Start accepts. Automaton has 2035 states and 3884 transitions. Word has length 56 [2021-10-19 14:24:26,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:26,682 INFO L470 AbstractCegarLoop]: Abstraction has 2035 states and 3884 transitions. [2021-10-19 14:24:26,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 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 14:24:26,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 3884 transitions. [2021-10-19 14:24:26,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-19 14:24:26,683 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:26,683 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:26,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-19 14:24:26,683 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:26,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:26,684 INFO L82 PathProgramCache]: Analyzing trace with hash 2078545513, now seen corresponding path program 1 times [2021-10-19 14:24:26,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:26,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014523369] [2021-10-19 14:24:26,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:26,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:26,766 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 14:24:26,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:26,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014523369] [2021-10-19 14:24:26,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014523369] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:26,766 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:26,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:24:26,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455278896] [2021-10-19 14:24:26,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:24:26,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:26,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:24:26,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:26,767 INFO L87 Difference]: Start difference. First operand 2035 states and 3884 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:26,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:26,843 INFO L93 Difference]: Finished difference Result 2034 states and 3883 transitions. [2021-10-19 14:24:26,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:24:26,844 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-10-19 14:24:26,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:26,850 INFO L225 Difference]: With dead ends: 2034 [2021-10-19 14:24:26,850 INFO L226 Difference]: Without dead ends: 2034 [2021-10-19 14:24:26,850 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.4ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:26,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2034 states. [2021-10-19 14:24:26,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2034 to 2034. [2021-10-19 14:24:26,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2034 states, 2017 states have (on average 1.9251363411006446) internal successors, (3883), 2033 states have internal predecessors, (3883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:26,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 2034 states and 3883 transitions. [2021-10-19 14:24:26,880 INFO L78 Accepts]: Start accepts. Automaton has 2034 states and 3883 transitions. Word has length 85 [2021-10-19 14:24:26,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:26,881 INFO L470 AbstractCegarLoop]: Abstraction has 2034 states and 3883 transitions. [2021-10-19 14:24:26,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:26,881 INFO L276 IsEmpty]: Start isEmpty. Operand 2034 states and 3883 transitions. [2021-10-19 14:24:26,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-10-19 14:24:26,885 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:26,885 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, 1, 1, 1, 1, 1, 1, 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 14:24:26,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-19 14:24:26,886 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:26,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:26,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1551071186, now seen corresponding path program 1 times [2021-10-19 14:24:26,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:26,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852322636] [2021-10-19 14:24:26,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:26,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:26,999 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 14:24:26,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:26,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852322636] [2021-10-19 14:24:26,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852322636] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:26,999 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:26,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:24:26,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535968703] [2021-10-19 14:24:27,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:24:27,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:27,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:24:27,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:27,000 INFO L87 Difference]: Start difference. First operand 2034 states and 3883 transitions. Second operand has 6 states, 5 states have (on average 20.4) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:27,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:27,334 INFO L93 Difference]: Finished difference Result 3098 states and 5926 transitions. [2021-10-19 14:24:27,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:24:27,334 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.4) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2021-10-19 14:24:27,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:27,348 INFO L225 Difference]: With dead ends: 3098 [2021-10-19 14:24:27,348 INFO L226 Difference]: Without dead ends: 3098 [2021-10-19 14:24:27,349 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.0ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:27,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3098 states. [2021-10-19 14:24:27,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3098 to 2166. [2021-10-19 14:24:27,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2166 states, 2152 states have (on average 1.924721189591078) internal successors, (4142), 2165 states have internal predecessors, (4142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:27,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 2166 states and 4142 transitions. [2021-10-19 14:24:27,389 INFO L78 Accepts]: Start accepts. Automaton has 2166 states and 4142 transitions. Word has length 102 [2021-10-19 14:24:27,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:27,389 INFO L470 AbstractCegarLoop]: Abstraction has 2166 states and 4142 transitions. [2021-10-19 14:24:27,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.4) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:27,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2166 states and 4142 transitions. [2021-10-19 14:24:27,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-10-19 14:24:27,392 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:27,392 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:24:27,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-19 14:24:27,393 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:27,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:27,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1313485428, now seen corresponding path program 1 times [2021-10-19 14:24:27,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:27,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418654600] [2021-10-19 14:24:27,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:27,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:27,509 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 14:24:27,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:27,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418654600] [2021-10-19 14:24:27,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418654600] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:27,510 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:27,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:24:27,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207296967] [2021-10-19 14:24:27,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:24:27,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:27,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:24:27,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:27,511 INFO L87 Difference]: Start difference. First operand 2166 states and 4142 transitions. Second operand has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:27,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:27,692 INFO L93 Difference]: Finished difference Result 2275 states and 4355 transitions. [2021-10-19 14:24:27,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:24:27,692 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-10-19 14:24:27,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:27,699 INFO L225 Difference]: With dead ends: 2275 [2021-10-19 14:24:27,699 INFO L226 Difference]: Without dead ends: 2275 [2021-10-19 14:24:27,699 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.6ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:27,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2275 states. [2021-10-19 14:24:27,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2275 to 2249. [2021-10-19 14:24:27,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2249 states, 2235 states have (on average 1.9257270693512305) internal successors, (4304), 2248 states have internal predecessors, (4304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:27,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 2249 states and 4304 transitions. [2021-10-19 14:24:27,744 INFO L78 Accepts]: Start accepts. Automaton has 2249 states and 4304 transitions. Word has length 106 [2021-10-19 14:24:27,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:27,745 INFO L470 AbstractCegarLoop]: Abstraction has 2249 states and 4304 transitions. [2021-10-19 14:24:27,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:27,745 INFO L276 IsEmpty]: Start isEmpty. Operand 2249 states and 4304 transitions. [2021-10-19 14:24:27,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-10-19 14:24:27,746 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:27,746 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:24:27,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-19 14:24:27,747 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:27,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:27,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1166446676, now seen corresponding path program 1 times [2021-10-19 14:24:27,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:27,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685818284] [2021-10-19 14:24:27,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:27,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:27,842 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 14:24:27,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:27,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685818284] [2021-10-19 14:24:27,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685818284] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:27,843 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:27,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:24:27,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793930605] [2021-10-19 14:24:27,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:24:27,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:27,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:24:27,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:27,844 INFO L87 Difference]: Start difference. First operand 2249 states and 4304 transitions. Second operand has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:28,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:28,081 INFO L93 Difference]: Finished difference Result 2832 states and 5404 transitions. [2021-10-19 14:24:28,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:24:28,081 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2021-10-19 14:24:28,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:28,090 INFO L225 Difference]: With dead ends: 2832 [2021-10-19 14:24:28,090 INFO L226 Difference]: Without dead ends: 2727 [2021-10-19 14:24:28,090 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.9ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:28,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2727 states. [2021-10-19 14:24:28,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2727 to 2335. [2021-10-19 14:24:28,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2335 states, 2321 states have (on average 1.9246014648858252) internal successors, (4467), 2334 states have internal predecessors, (4467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:28,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 2335 states and 4467 transitions. [2021-10-19 14:24:28,122 INFO L78 Accepts]: Start accepts. Automaton has 2335 states and 4467 transitions. Word has length 111 [2021-10-19 14:24:28,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:28,122 INFO L470 AbstractCegarLoop]: Abstraction has 2335 states and 4467 transitions. [2021-10-19 14:24:28,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:28,122 INFO L276 IsEmpty]: Start isEmpty. Operand 2335 states and 4467 transitions. [2021-10-19 14:24:28,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-10-19 14:24:28,123 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:28,123 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:24:28,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-19 14:24:28,123 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:28,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:28,124 INFO L82 PathProgramCache]: Analyzing trace with hash -2033700182, now seen corresponding path program 1 times [2021-10-19 14:24:28,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:28,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488883597] [2021-10-19 14:24:28,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:28,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:28,356 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 14:24:28,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:28,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488883597] [2021-10-19 14:24:28,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488883597] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:28,357 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:28,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:28,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779476444] [2021-10-19 14:24:28,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:28,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:28,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:28,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:28,358 INFO L87 Difference]: Start difference. First operand 2335 states and 4467 transitions. Second operand has 13 states, 12 states have (on average 9.5) internal successors, (114), 13 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:29,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:29,608 INFO L93 Difference]: Finished difference Result 4477 states and 8545 transitions. [2021-10-19 14:24:29,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-19 14:24:29,608 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.5) internal successors, (114), 13 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-10-19 14:24:29,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:29,640 INFO L225 Difference]: With dead ends: 4477 [2021-10-19 14:24:29,641 INFO L226 Difference]: Without dead ends: 4442 [2021-10-19 14:24:29,641 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 319.1ms TimeCoverageRelationStatistics Valid=257, Invalid=1003, Unknown=0, NotChecked=0, Total=1260 [2021-10-19 14:24:29,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4442 states. [2021-10-19 14:24:29,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4442 to 2358. [2021-10-19 14:24:29,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2358 states, 2344 states have (on average 1.9253412969283277) internal successors, (4513), 2357 states have internal predecessors, (4513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:29,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2358 states to 2358 states and 4513 transitions. [2021-10-19 14:24:29,693 INFO L78 Accepts]: Start accepts. Automaton has 2358 states and 4513 transitions. Word has length 114 [2021-10-19 14:24:29,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:29,693 INFO L470 AbstractCegarLoop]: Abstraction has 2358 states and 4513 transitions. [2021-10-19 14:24:29,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.5) internal successors, (114), 13 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:29,693 INFO L276 IsEmpty]: Start isEmpty. Operand 2358 states and 4513 transitions. [2021-10-19 14:24:29,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-10-19 14:24:29,694 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:29,694 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:24:29,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-19 14:24:29,695 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:29,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:29,695 INFO L82 PathProgramCache]: Analyzing trace with hash -446903408, now seen corresponding path program 2 times [2021-10-19 14:24:29,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:29,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451661209] [2021-10-19 14:24:29,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:29,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:29,868 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 14:24:29,868 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:29,868 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451661209] [2021-10-19 14:24:29,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451661209] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:29,868 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:29,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:29,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976286317] [2021-10-19 14:24:29,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:29,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:29,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:29,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:29,870 INFO L87 Difference]: Start difference. First operand 2358 states and 4513 transitions. Second operand has 13 states, 12 states have (on average 9.5) internal successors, (114), 13 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:31,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:31,220 INFO L93 Difference]: Finished difference Result 4514 states and 8628 transitions. [2021-10-19 14:24:31,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-19 14:24:31,220 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.5) internal successors, (114), 13 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-10-19 14:24:31,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:31,233 INFO L225 Difference]: With dead ends: 4514 [2021-10-19 14:24:31,233 INFO L226 Difference]: Without dead ends: 4514 [2021-10-19 14:24:31,234 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 303.2ms TimeCoverageRelationStatistics Valid=283, Invalid=1049, Unknown=0, NotChecked=0, Total=1332 [2021-10-19 14:24:31,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4514 states. [2021-10-19 14:24:31,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4514 to 2377. [2021-10-19 14:24:31,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2377 states, 2363 states have (on average 1.9263647905205248) internal successors, (4552), 2376 states have internal predecessors, (4552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:31,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 2377 states and 4552 transitions. [2021-10-19 14:24:31,286 INFO L78 Accepts]: Start accepts. Automaton has 2377 states and 4552 transitions. Word has length 114 [2021-10-19 14:24:31,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:31,286 INFO L470 AbstractCegarLoop]: Abstraction has 2377 states and 4552 transitions. [2021-10-19 14:24:31,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.5) internal successors, (114), 13 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:31,287 INFO L276 IsEmpty]: Start isEmpty. Operand 2377 states and 4552 transitions. [2021-10-19 14:24:31,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-10-19 14:24:31,287 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:31,288 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:24:31,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-19 14:24:31,288 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:31,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:31,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1870235282, now seen corresponding path program 3 times [2021-10-19 14:24:31,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:31,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950737942] [2021-10-19 14:24:31,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:31,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:31,474 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 14:24:31,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:31,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950737942] [2021-10-19 14:24:31,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950737942] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:31,475 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:31,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:31,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833045498] [2021-10-19 14:24:31,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:31,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:31,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:31,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:31,477 INFO L87 Difference]: Start difference. First operand 2377 states and 4552 transitions. Second operand has 13 states, 12 states have (on average 9.5) internal successors, (114), 13 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:32,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:32,947 INFO L93 Difference]: Finished difference Result 4585 states and 8770 transitions. [2021-10-19 14:24:32,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-19 14:24:32,948 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.5) internal successors, (114), 13 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-10-19 14:24:32,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:32,955 INFO L225 Difference]: With dead ends: 4585 [2021-10-19 14:24:32,955 INFO L226 Difference]: Without dead ends: 4585 [2021-10-19 14:24:32,956 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 411.1ms TimeCoverageRelationStatistics Valid=293, Invalid=1113, Unknown=0, NotChecked=0, Total=1406 [2021-10-19 14:24:32,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4585 states. [2021-10-19 14:24:32,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4585 to 2396. [2021-10-19 14:24:33,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2396 states, 2382 states have (on average 1.9273719563392107) internal successors, (4591), 2395 states have internal predecessors, (4591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:33,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2396 states and 4591 transitions. [2021-10-19 14:24:33,014 INFO L78 Accepts]: Start accepts. Automaton has 2396 states and 4591 transitions. Word has length 114 [2021-10-19 14:24:33,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:33,014 INFO L470 AbstractCegarLoop]: Abstraction has 2396 states and 4591 transitions. [2021-10-19 14:24:33,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.5) internal successors, (114), 13 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:33,014 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 4591 transitions. [2021-10-19 14:24:33,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-10-19 14:24:33,015 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:33,015 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:24:33,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-19 14:24:33,015 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:33,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:33,016 INFO L82 PathProgramCache]: Analyzing trace with hash 2014984080, now seen corresponding path program 4 times [2021-10-19 14:24:33,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:33,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893707504] [2021-10-19 14:24:33,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:33,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:33,152 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 14:24:33,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:33,152 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893707504] [2021-10-19 14:24:33,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893707504] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:33,152 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:33,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:33,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214989181] [2021-10-19 14:24:33,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:33,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:33,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:33,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:33,153 INFO L87 Difference]: Start difference. First operand 2396 states and 4591 transitions. Second operand has 13 states, 12 states have (on average 9.5) internal successors, (114), 13 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:34,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:34,628 INFO L93 Difference]: Finished difference Result 4639 states and 8878 transitions. [2021-10-19 14:24:34,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-19 14:24:34,628 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.5) internal successors, (114), 13 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-10-19 14:24:34,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:34,635 INFO L225 Difference]: With dead ends: 4639 [2021-10-19 14:24:34,636 INFO L226 Difference]: Without dead ends: 4639 [2021-10-19 14:24:34,636 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 531.0ms TimeCoverageRelationStatistics Valid=527, Invalid=2023, Unknown=0, NotChecked=0, Total=2550 [2021-10-19 14:24:34,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4639 states. [2021-10-19 14:24:34,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4639 to 2407. [2021-10-19 14:24:34,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2407 states, 2393 states have (on average 1.9281236941078144) internal successors, (4614), 2406 states have internal predecessors, (4614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:34,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2407 states to 2407 states and 4614 transitions. [2021-10-19 14:24:34,696 INFO L78 Accepts]: Start accepts. Automaton has 2407 states and 4614 transitions. Word has length 114 [2021-10-19 14:24:34,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:34,696 INFO L470 AbstractCegarLoop]: Abstraction has 2407 states and 4614 transitions. [2021-10-19 14:24:34,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.5) internal successors, (114), 13 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:34,696 INFO L276 IsEmpty]: Start isEmpty. Operand 2407 states and 4614 transitions. [2021-10-19 14:24:34,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-10-19 14:24:34,697 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:34,697 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:24:34,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-19 14:24:34,697 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:34,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:34,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1638479010, now seen corresponding path program 1 times [2021-10-19 14:24:34,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:34,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965618671] [2021-10-19 14:24:34,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:34,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:34,862 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 14:24:34,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:34,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965618671] [2021-10-19 14:24:34,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965618671] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:34,862 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:34,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:34,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117008634] [2021-10-19 14:24:34,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:34,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:34,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:34,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:34,863 INFO L87 Difference]: Start difference. First operand 2407 states and 4614 transitions. Second operand has 13 states, 12 states have (on average 9.5) internal successors, (114), 13 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:35,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:35,600 INFO L93 Difference]: Finished difference Result 2629 states and 4995 transitions. [2021-10-19 14:24:35,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-19 14:24:35,600 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.5) internal successors, (114), 13 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-10-19 14:24:35,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:35,614 INFO L225 Difference]: With dead ends: 2629 [2021-10-19 14:24:35,614 INFO L226 Difference]: Without dead ends: 2629 [2021-10-19 14:24:35,614 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 217.8ms TimeCoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2021-10-19 14:24:35,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2629 states. [2021-10-19 14:24:35,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2629 to 2342. [2021-10-19 14:24:35,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2342 states, 2329 states have (on average 1.9240017174753112) internal successors, (4481), 2341 states have internal predecessors, (4481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:35,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 2342 states and 4481 transitions. [2021-10-19 14:24:35,638 INFO L78 Accepts]: Start accepts. Automaton has 2342 states and 4481 transitions. Word has length 114 [2021-10-19 14:24:35,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:35,638 INFO L470 AbstractCegarLoop]: Abstraction has 2342 states and 4481 transitions. [2021-10-19 14:24:35,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.5) internal successors, (114), 13 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:35,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 4481 transitions. [2021-10-19 14:24:35,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-10-19 14:24:35,639 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:35,640 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:24:35,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-19 14:24:35,640 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:35,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:35,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1195319132, now seen corresponding path program 5 times [2021-10-19 14:24:35,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:35,640 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878113385] [2021-10-19 14:24:35,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:35,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:35,756 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 14:24:35,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:35,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878113385] [2021-10-19 14:24:35,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878113385] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:35,756 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:35,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:35,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25439925] [2021-10-19 14:24:35,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:35,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:35,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:35,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:35,757 INFO L87 Difference]: Start difference. First operand 2342 states and 4481 transitions. Second operand has 13 states, 12 states have (on average 9.5) internal successors, (114), 13 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:37,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:37,241 INFO L93 Difference]: Finished difference Result 3098 states and 5868 transitions. [2021-10-19 14:24:37,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:24:37,241 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.5) internal successors, (114), 13 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-10-19 14:24:37,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:37,246 INFO L225 Difference]: With dead ends: 3098 [2021-10-19 14:24:37,246 INFO L226 Difference]: Without dead ends: 3098 [2021-10-19 14:24:37,247 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 657 ImplicationChecksByTransitivity, 531.7ms TimeCoverageRelationStatistics Valid=520, Invalid=2132, Unknown=0, NotChecked=0, Total=2652 [2021-10-19 14:24:37,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3098 states. [2021-10-19 14:24:37,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3098 to 2165. [2021-10-19 14:24:37,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2165 states, 2153 states have (on average 1.9205759405480725) internal successors, (4135), 2164 states have internal predecessors, (4135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:37,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 2165 states and 4135 transitions. [2021-10-19 14:24:37,272 INFO L78 Accepts]: Start accepts. Automaton has 2165 states and 4135 transitions. Word has length 114 [2021-10-19 14:24:37,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:37,272 INFO L470 AbstractCegarLoop]: Abstraction has 2165 states and 4135 transitions. [2021-10-19 14:24:37,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.5) internal successors, (114), 13 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:37,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2165 states and 4135 transitions. [2021-10-19 14:24:37,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-10-19 14:24:37,273 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:37,273 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:24:37,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-19 14:24:37,273 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:37,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:37,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1475546503, now seen corresponding path program 1 times [2021-10-19 14:24:37,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:37,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260485100] [2021-10-19 14:24:37,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:37,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:37,340 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 14:24:37,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:37,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260485100] [2021-10-19 14:24:37,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260485100] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:37,341 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:37,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:24:37,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074400502] [2021-10-19 14:24:37,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:24:37,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:37,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:24:37,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:37,342 INFO L87 Difference]: Start difference. First operand 2165 states and 4135 transitions. Second operand has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:37,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:37,543 INFO L93 Difference]: Finished difference Result 2269 states and 4338 transitions. [2021-10-19 14:24:37,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:24:37,543 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-10-19 14:24:37,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:37,546 INFO L225 Difference]: With dead ends: 2269 [2021-10-19 14:24:37,547 INFO L226 Difference]: Without dead ends: 2269 [2021-10-19 14:24:37,548 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.4ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:37,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2269 states. [2021-10-19 14:24:37,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2269 to 2244. [2021-10-19 14:24:37,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2244 states, 2232 states have (on average 1.9215949820788532) internal successors, (4289), 2243 states have internal predecessors, (4289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:37,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 2244 states and 4289 transitions. [2021-10-19 14:24:37,571 INFO L78 Accepts]: Start accepts. Automaton has 2244 states and 4289 transitions. Word has length 114 [2021-10-19 14:24:37,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:37,572 INFO L470 AbstractCegarLoop]: Abstraction has 2244 states and 4289 transitions. [2021-10-19 14:24:37,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:37,572 INFO L276 IsEmpty]: Start isEmpty. Operand 2244 states and 4289 transitions. [2021-10-19 14:24:37,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-10-19 14:24:37,573 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:37,573 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:24:37,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-19 14:24:37,573 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:37,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:37,573 INFO L82 PathProgramCache]: Analyzing trace with hash 249131075, now seen corresponding path program 1 times [2021-10-19 14:24:37,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:37,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578792047] [2021-10-19 14:24:37,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:37,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:37,698 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 14:24:37,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:37,699 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578792047] [2021-10-19 14:24:37,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578792047] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:37,701 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:37,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:37,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126865738] [2021-10-19 14:24:37,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:37,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:37,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:37,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:37,702 INFO L87 Difference]: Start difference. First operand 2244 states and 4289 transitions. Second operand has 13 states, 12 states have (on average 10.166666666666666) internal successors, (122), 13 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:38,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:38,448 INFO L93 Difference]: Finished difference Result 2467 states and 4676 transitions. [2021-10-19 14:24:38,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-19 14:24:38,448 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.166666666666666) internal successors, (122), 13 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2021-10-19 14:24:38,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:38,451 INFO L225 Difference]: With dead ends: 2467 [2021-10-19 14:24:38,451 INFO L226 Difference]: Without dead ends: 2467 [2021-10-19 14:24:38,452 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 287.4ms TimeCoverageRelationStatistics Valid=204, Invalid=666, Unknown=0, NotChecked=0, Total=870 [2021-10-19 14:24:38,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2467 states. [2021-10-19 14:24:38,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2467 to 2199. [2021-10-19 14:24:38,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2199 states, 2187 states have (on average 1.9199817101051668) internal successors, (4199), 2198 states have internal predecessors, (4199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:38,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 2199 states and 4199 transitions. [2021-10-19 14:24:38,479 INFO L78 Accepts]: Start accepts. Automaton has 2199 states and 4199 transitions. Word has length 122 [2021-10-19 14:24:38,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:38,479 INFO L470 AbstractCegarLoop]: Abstraction has 2199 states and 4199 transitions. [2021-10-19 14:24:38,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.166666666666666) internal successors, (122), 13 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:38,479 INFO L276 IsEmpty]: Start isEmpty. Operand 2199 states and 4199 transitions. [2021-10-19 14:24:38,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:24:38,481 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:38,481 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:24:38,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-19 14:24:38,481 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:38,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:38,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1674028426, now seen corresponding path program 1 times [2021-10-19 14:24:38,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:38,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239371869] [2021-10-19 14:24:38,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:38,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:38,778 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 14:24:38,779 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:38,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239371869] [2021-10-19 14:24:38,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239371869] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:38,779 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:38,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:24:38,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379732162] [2021-10-19 14:24:38,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:24:38,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:38,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:24:38,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:24:38,780 INFO L87 Difference]: Start difference. First operand 2199 states and 4199 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:41,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:41,054 INFO L93 Difference]: Finished difference Result 4954 states and 9451 transitions. [2021-10-19 14:24:41,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:24:41,055 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:24:41,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:41,061 INFO L225 Difference]: With dead ends: 4954 [2021-10-19 14:24:41,061 INFO L226 Difference]: Without dead ends: 4954 [2021-10-19 14:24:41,062 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1293 ImplicationChecksByTransitivity, 838.8ms TimeCoverageRelationStatistics Valid=645, Invalid=4047, Unknown=0, NotChecked=0, Total=4692 [2021-10-19 14:24:41,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4954 states. [2021-10-19 14:24:41,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4954 to 2243. [2021-10-19 14:24:41,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2243 states, 2231 states have (on average 1.9215598386373824) internal successors, (4287), 2242 states have internal predecessors, (4287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:41,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2243 states to 2243 states and 4287 transitions. [2021-10-19 14:24:41,096 INFO L78 Accepts]: Start accepts. Automaton has 2243 states and 4287 transitions. Word has length 123 [2021-10-19 14:24:41,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:41,097 INFO L470 AbstractCegarLoop]: Abstraction has 2243 states and 4287 transitions. [2021-10-19 14:24:41,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:41,097 INFO L276 IsEmpty]: Start isEmpty. Operand 2243 states and 4287 transitions. [2021-10-19 14:24:41,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:24:41,098 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:41,098 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:24:41,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-19 14:24:41,098 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:41,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:41,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1767135694, now seen corresponding path program 2 times [2021-10-19 14:24:41,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:41,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614806526] [2021-10-19 14:24:41,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:41,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:41,368 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 14:24:41,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:41,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614806526] [2021-10-19 14:24:41,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614806526] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:41,368 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:41,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:24:41,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46382178] [2021-10-19 14:24:41,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:24:41,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:41,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:24:41,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:24:41,369 INFO L87 Difference]: Start difference. First operand 2243 states and 4287 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:43,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:43,797 INFO L93 Difference]: Finished difference Result 5112 states and 9757 transitions. [2021-10-19 14:24:43,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:24:43,797 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:24:43,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:43,803 INFO L225 Difference]: With dead ends: 5112 [2021-10-19 14:24:43,803 INFO L226 Difference]: Without dead ends: 5112 [2021-10-19 14:24:43,805 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1451 ImplicationChecksByTransitivity, 967.1ms TimeCoverageRelationStatistics Valid=693, Invalid=4419, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:24:43,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5112 states. [2021-10-19 14:24:43,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5112 to 2266. [2021-10-19 14:24:43,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2266 states, 2254 states have (on average 1.9228039041703637) internal successors, (4334), 2265 states have internal predecessors, (4334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:43,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2266 states to 2266 states and 4334 transitions. [2021-10-19 14:24:43,841 INFO L78 Accepts]: Start accepts. Automaton has 2266 states and 4334 transitions. Word has length 123 [2021-10-19 14:24:43,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:43,842 INFO L470 AbstractCegarLoop]: Abstraction has 2266 states and 4334 transitions. [2021-10-19 14:24:43,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:43,842 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 4334 transitions. [2021-10-19 14:24:43,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:24:43,845 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:43,845 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:24:43,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-19 14:24:43,846 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:43,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:43,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1849566966, now seen corresponding path program 3 times [2021-10-19 14:24:43,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:43,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541911880] [2021-10-19 14:24:43,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:43,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:44,107 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 14:24:44,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:44,107 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541911880] [2021-10-19 14:24:44,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541911880] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:44,107 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:44,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:24:44,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113811015] [2021-10-19 14:24:44,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:24:44,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:44,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:24:44,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:24:44,108 INFO L87 Difference]: Start difference. First operand 2266 states and 4334 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:46,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:46,544 INFO L93 Difference]: Finished difference Result 5200 states and 9933 transitions. [2021-10-19 14:24:46,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-19 14:24:46,544 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:24:46,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:46,549 INFO L225 Difference]: With dead ends: 5200 [2021-10-19 14:24:46,549 INFO L226 Difference]: Without dead ends: 5200 [2021-10-19 14:24:46,550 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1517 ImplicationChecksByTransitivity, 904.1ms TimeCoverageRelationStatistics Valid=772, Invalid=4630, Unknown=0, NotChecked=0, Total=5402 [2021-10-19 14:24:46,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5200 states. [2021-10-19 14:24:46,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5200 to 2289. [2021-10-19 14:24:46,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2289 states, 2277 states have (on average 1.9240228370663153) internal successors, (4381), 2288 states have internal predecessors, (4381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:46,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 2289 states and 4381 transitions. [2021-10-19 14:24:46,579 INFO L78 Accepts]: Start accepts. Automaton has 2289 states and 4381 transitions. Word has length 123 [2021-10-19 14:24:46,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:46,580 INFO L470 AbstractCegarLoop]: Abstraction has 2289 states and 4381 transitions. [2021-10-19 14:24:46,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:46,580 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 4381 transitions. [2021-10-19 14:24:46,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:24:46,581 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:46,581 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:24:46,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-19 14:24:46,581 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:46,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:46,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1083858260, now seen corresponding path program 4 times [2021-10-19 14:24:46,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:46,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999454067] [2021-10-19 14:24:46,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:46,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:46,846 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 14:24:46,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:46,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999454067] [2021-10-19 14:24:46,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999454067] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:46,847 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:46,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:24:46,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850051418] [2021-10-19 14:24:46,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:24:46,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:46,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:24:46,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:24:46,848 INFO L87 Difference]: Start difference. First operand 2289 states and 4381 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:49,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:49,516 INFO L93 Difference]: Finished difference Result 5288 states and 10109 transitions. [2021-10-19 14:24:49,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-19 14:24:49,517 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:24:49,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:49,523 INFO L225 Difference]: With dead ends: 5288 [2021-10-19 14:24:49,523 INFO L226 Difference]: Without dead ends: 5288 [2021-10-19 14:24:49,524 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1635 ImplicationChecksByTransitivity, 1127.4ms TimeCoverageRelationStatistics Valid=797, Invalid=4903, Unknown=0, NotChecked=0, Total=5700 [2021-10-19 14:24:49,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5288 states. [2021-10-19 14:24:49,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5288 to 2312. [2021-10-19 14:24:49,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2312 states, 2300 states have (on average 1.9252173913043478) internal successors, (4428), 2311 states have internal predecessors, (4428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:49,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 2312 states and 4428 transitions. [2021-10-19 14:24:49,555 INFO L78 Accepts]: Start accepts. Automaton has 2312 states and 4428 transitions. Word has length 123 [2021-10-19 14:24:49,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:49,556 INFO L470 AbstractCegarLoop]: Abstraction has 2312 states and 4428 transitions. [2021-10-19 14:24:49,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:49,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 4428 transitions. [2021-10-19 14:24:49,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:24:49,557 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:49,557 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:24:49,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-19 14:24:49,558 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:49,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:49,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1001698160, now seen corresponding path program 1 times [2021-10-19 14:24:49,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:49,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983041851] [2021-10-19 14:24:49,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:49,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:49,802 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 14:24:49,802 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:49,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983041851] [2021-10-19 14:24:49,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983041851] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:49,803 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:49,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:24:49,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286317169] [2021-10-19 14:24:49,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:24:49,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:49,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:24:49,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:24:49,805 INFO L87 Difference]: Start difference. First operand 2312 states and 4428 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:51,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:51,571 INFO L93 Difference]: Finished difference Result 5083 states and 9778 transitions. [2021-10-19 14:24:51,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-19 14:24:51,571 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:24:51,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:51,577 INFO L225 Difference]: With dead ends: 5083 [2021-10-19 14:24:51,577 INFO L226 Difference]: Without dead ends: 5083 [2021-10-19 14:24:51,578 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1584 ImplicationChecksByTransitivity, 815.8ms TimeCoverageRelationStatistics Valid=646, Invalid=4610, Unknown=0, NotChecked=0, Total=5256 [2021-10-19 14:24:51,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5083 states. [2021-10-19 14:24:51,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5083 to 2372. [2021-10-19 14:24:51,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2372 states, 2360 states have (on average 1.9258474576271187) internal successors, (4545), 2371 states have internal predecessors, (4545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:51,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2372 states to 2372 states and 4545 transitions. [2021-10-19 14:24:51,612 INFO L78 Accepts]: Start accepts. Automaton has 2372 states and 4545 transitions. Word has length 123 [2021-10-19 14:24:51,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:51,613 INFO L470 AbstractCegarLoop]: Abstraction has 2372 states and 4545 transitions. [2021-10-19 14:24:51,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:51,613 INFO L276 IsEmpty]: Start isEmpty. Operand 2372 states and 4545 transitions. [2021-10-19 14:24:51,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:24:51,615 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:51,615 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:24:51,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-19 14:24:51,615 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:51,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:51,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1970667516, now seen corresponding path program 5 times [2021-10-19 14:24:51,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:51,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134335673] [2021-10-19 14:24:51,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:51,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:51,867 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 14:24:51,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:51,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134335673] [2021-10-19 14:24:51,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134335673] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:51,867 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:51,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:24:51,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59532340] [2021-10-19 14:24:51,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:24:51,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:51,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:24:51,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:24:51,868 INFO L87 Difference]: Start difference. First operand 2372 states and 4545 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:53,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:53,987 INFO L93 Difference]: Finished difference Result 5957 states and 11390 transitions. [2021-10-19 14:24:53,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-19 14:24:53,988 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:24:53,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:53,995 INFO L225 Difference]: With dead ends: 5957 [2021-10-19 14:24:53,995 INFO L226 Difference]: Without dead ends: 5957 [2021-10-19 14:24:53,997 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1614 ImplicationChecksByTransitivity, 869.7ms TimeCoverageRelationStatistics Valid=755, Invalid=4795, Unknown=0, NotChecked=0, Total=5550 [2021-10-19 14:24:54,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5957 states. [2021-10-19 14:24:54,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5957 to 2363. [2021-10-19 14:24:54,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2363 states, 2351 states have (on average 1.9255635899617185) internal successors, (4527), 2362 states have internal predecessors, (4527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:54,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2363 states to 2363 states and 4527 transitions. [2021-10-19 14:24:54,032 INFO L78 Accepts]: Start accepts. Automaton has 2363 states and 4527 transitions. Word has length 123 [2021-10-19 14:24:54,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:54,032 INFO L470 AbstractCegarLoop]: Abstraction has 2363 states and 4527 transitions. [2021-10-19 14:24:54,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:54,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2363 states and 4527 transitions. [2021-10-19 14:24:54,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:24:54,033 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:54,033 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:24:54,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-19 14:24:54,034 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:54,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:54,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1251446452, now seen corresponding path program 2 times [2021-10-19 14:24:54,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:54,035 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003886843] [2021-10-19 14:24:54,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:54,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:54,283 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 14:24:54,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:54,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003886843] [2021-10-19 14:24:54,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003886843] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:54,284 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:54,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:24:54,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442944707] [2021-10-19 14:24:54,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:24:54,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:54,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:24:54,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:24:54,285 INFO L87 Difference]: Start difference. First operand 2363 states and 4527 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:55,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:55,838 INFO L93 Difference]: Finished difference Result 4544 states and 8769 transitions. [2021-10-19 14:24:55,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-19 14:24:55,838 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:24:55,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:55,843 INFO L225 Difference]: With dead ends: 4544 [2021-10-19 14:24:55,843 INFO L226 Difference]: Without dead ends: 4544 [2021-10-19 14:24:55,844 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1302 ImplicationChecksByTransitivity, 678.6ms TimeCoverageRelationStatistics Valid=579, Invalid=3977, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:24:55,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4544 states. [2021-10-19 14:24:55,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4544 to 2459. [2021-10-19 14:24:55,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2459 states, 2447 states have (on average 1.928483857785043) internal successors, (4719), 2458 states have internal predecessors, (4719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:55,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2459 states to 2459 states and 4719 transitions. [2021-10-19 14:24:55,889 INFO L78 Accepts]: Start accepts. Automaton has 2459 states and 4719 transitions. Word has length 123 [2021-10-19 14:24:55,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:55,890 INFO L470 AbstractCegarLoop]: Abstraction has 2459 states and 4719 transitions. [2021-10-19 14:24:55,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:55,890 INFO L276 IsEmpty]: Start isEmpty. Operand 2459 states and 4719 transitions. [2021-10-19 14:24:55,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:24:55,891 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:55,891 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:24:55,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-19 14:24:55,892 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:55,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:55,893 INFO L82 PathProgramCache]: Analyzing trace with hash 869007076, now seen corresponding path program 6 times [2021-10-19 14:24:55,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:55,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142720450] [2021-10-19 14:24:55,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:55,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:56,138 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 14:24:56,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:56,138 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142720450] [2021-10-19 14:24:56,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142720450] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:56,138 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:56,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:24:56,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106694877] [2021-10-19 14:24:56,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:24:56,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:56,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:24:56,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:24:56,139 INFO L87 Difference]: Start difference. First operand 2459 states and 4719 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:58,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:58,295 INFO L93 Difference]: Finished difference Result 4926 states and 9457 transitions. [2021-10-19 14:24:58,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-19 14:24:58,295 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:24:58,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:58,299 INFO L225 Difference]: With dead ends: 4926 [2021-10-19 14:24:58,300 INFO L226 Difference]: Without dead ends: 4926 [2021-10-19 14:24:58,301 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1391 ImplicationChecksByTransitivity, 774.7ms TimeCoverageRelationStatistics Valid=659, Invalid=4311, Unknown=0, NotChecked=0, Total=4970 [2021-10-19 14:24:58,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4926 states. [2021-10-19 14:24:58,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4926 to 2485. [2021-10-19 14:24:58,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2485 states, 2473 states have (on average 1.9308532147189648) internal successors, (4775), 2484 states have internal predecessors, (4775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:58,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2485 states and 4775 transitions. [2021-10-19 14:24:58,329 INFO L78 Accepts]: Start accepts. Automaton has 2485 states and 4775 transitions. Word has length 123 [2021-10-19 14:24:58,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:58,329 INFO L470 AbstractCegarLoop]: Abstraction has 2485 states and 4775 transitions. [2021-10-19 14:24:58,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:58,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 4775 transitions. [2021-10-19 14:24:58,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:24:58,330 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:58,330 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:24:58,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-19 14:24:58,331 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:58,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:58,331 INFO L82 PathProgramCache]: Analyzing trace with hash 90370194, now seen corresponding path program 3 times [2021-10-19 14:24:58,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:58,331 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956441558] [2021-10-19 14:24:58,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:58,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:58,596 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 14:24:58,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:58,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956441558] [2021-10-19 14:24:58,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956441558] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:58,597 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:58,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:24:58,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057147600] [2021-10-19 14:24:58,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:24:58,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:58,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:24:58,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:24:58,598 INFO L87 Difference]: Start difference. First operand 2485 states and 4775 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:00,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:00,086 INFO L93 Difference]: Finished difference Result 3496 states and 6757 transitions. [2021-10-19 14:25:00,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-19 14:25:00,087 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:25:00,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:00,090 INFO L225 Difference]: With dead ends: 3496 [2021-10-19 14:25:00,090 INFO L226 Difference]: Without dead ends: 3496 [2021-10-19 14:25:00,091 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1113 ImplicationChecksByTransitivity, 698.6ms TimeCoverageRelationStatistics Valid=519, Invalid=3513, Unknown=0, NotChecked=0, Total=4032 [2021-10-19 14:25:00,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3496 states. [2021-10-19 14:25:00,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3496 to 2487. [2021-10-19 14:25:00,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2487 states, 2475 states have (on average 1.930909090909091) internal successors, (4779), 2486 states have internal predecessors, (4779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:00,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2487 states and 4779 transitions. [2021-10-19 14:25:00,115 INFO L78 Accepts]: Start accepts. Automaton has 2487 states and 4779 transitions. Word has length 123 [2021-10-19 14:25:00,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:00,115 INFO L470 AbstractCegarLoop]: Abstraction has 2487 states and 4779 transitions. [2021-10-19 14:25:00,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:00,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 4779 transitions. [2021-10-19 14:25:00,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:25:00,117 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:00,117 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:00,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-19 14:25:00,118 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:00,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:00,118 INFO L82 PathProgramCache]: Analyzing trace with hash -2107512296, now seen corresponding path program 4 times [2021-10-19 14:25:00,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:00,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149442239] [2021-10-19 14:25:00,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:00,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:00,352 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 14:25:00,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:00,352 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149442239] [2021-10-19 14:25:00,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149442239] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:00,352 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:00,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:25:00,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046230911] [2021-10-19 14:25:00,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:25:00,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:00,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:25:00,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:25:00,353 INFO L87 Difference]: Start difference. First operand 2487 states and 4779 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:02,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:02,109 INFO L93 Difference]: Finished difference Result 3464 states and 6695 transitions. [2021-10-19 14:25:02,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:25:02,110 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:25:02,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:02,113 INFO L225 Difference]: With dead ends: 3464 [2021-10-19 14:25:02,113 INFO L226 Difference]: Without dead ends: 3464 [2021-10-19 14:25:02,114 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1114 ImplicationChecksByTransitivity, 684.6ms TimeCoverageRelationStatistics Valid=526, Invalid=3506, Unknown=0, NotChecked=0, Total=4032 [2021-10-19 14:25:02,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3464 states. [2021-10-19 14:25:02,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3464 to 2489. [2021-10-19 14:25:02,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2489 states, 2477 states have (on average 1.930964876867178) internal successors, (4783), 2488 states have internal predecessors, (4783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:02,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 2489 states and 4783 transitions. [2021-10-19 14:25:02,139 INFO L78 Accepts]: Start accepts. Automaton has 2489 states and 4783 transitions. Word has length 123 [2021-10-19 14:25:02,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:02,139 INFO L470 AbstractCegarLoop]: Abstraction has 2489 states and 4783 transitions. [2021-10-19 14:25:02,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:02,139 INFO L276 IsEmpty]: Start isEmpty. Operand 2489 states and 4783 transitions. [2021-10-19 14:25:02,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:25:02,141 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:02,141 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:02,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-19 14:25:02,141 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:02,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:02,141 INFO L82 PathProgramCache]: Analyzing trace with hash -76179088, now seen corresponding path program 5 times [2021-10-19 14:25:02,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:02,141 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021528716] [2021-10-19 14:25:02,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:02,142 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:02,482 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 14:25:02,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:02,482 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021528716] [2021-10-19 14:25:02,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021528716] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:02,482 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:02,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:25:02,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022508789] [2021-10-19 14:25:02,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:25:02,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:02,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:25:02,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:25:02,483 INFO L87 Difference]: Start difference. First operand 2489 states and 4783 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:04,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:04,091 INFO L93 Difference]: Finished difference Result 3407 states and 6585 transitions. [2021-10-19 14:25:04,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-19 14:25:04,091 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:25:04,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:04,095 INFO L225 Difference]: With dead ends: 3407 [2021-10-19 14:25:04,095 INFO L226 Difference]: Without dead ends: 3407 [2021-10-19 14:25:04,095 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1111 ImplicationChecksByTransitivity, 827.0ms TimeCoverageRelationStatistics Valid=541, Invalid=3491, Unknown=0, NotChecked=0, Total=4032 [2021-10-19 14:25:04,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3407 states. [2021-10-19 14:25:04,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3407 to 2493. [2021-10-19 14:25:04,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2493 states, 2481 states have (on average 1.9310761789600968) internal successors, (4791), 2492 states have internal predecessors, (4791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:04,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 4791 transitions. [2021-10-19 14:25:04,118 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 4791 transitions. Word has length 123 [2021-10-19 14:25:04,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:04,118 INFO L470 AbstractCegarLoop]: Abstraction has 2493 states and 4791 transitions. [2021-10-19 14:25:04,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:04,118 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 4791 transitions. [2021-10-19 14:25:04,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:25:04,120 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:04,120 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:04,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-10-19 14:25:04,120 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:04,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:04,120 INFO L82 PathProgramCache]: Analyzing trace with hash 593479586, now seen corresponding path program 6 times [2021-10-19 14:25:04,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:04,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24612035] [2021-10-19 14:25:04,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:04,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:04,511 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 14:25:04,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:04,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24612035] [2021-10-19 14:25:04,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24612035] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:04,511 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:04,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:25:04,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199965426] [2021-10-19 14:25:04,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:25:04,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:04,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:25:04,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:25:04,512 INFO L87 Difference]: Start difference. First operand 2493 states and 4791 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:06,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:06,575 INFO L93 Difference]: Finished difference Result 3955 states and 7636 transitions. [2021-10-19 14:25:06,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:25:06,575 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:25:06,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:06,580 INFO L225 Difference]: With dead ends: 3955 [2021-10-19 14:25:06,580 INFO L226 Difference]: Without dead ends: 3955 [2021-10-19 14:25:06,581 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1282 ImplicationChecksByTransitivity, 1136.4ms TimeCoverageRelationStatistics Valid=741, Invalid=3815, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:25:06,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3955 states. [2021-10-19 14:25:06,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3955 to 2491. [2021-10-19 14:25:06,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2491 states, 2479 states have (on average 1.9310205728116177) internal successors, (4787), 2490 states have internal predecessors, (4787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:06,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2491 states to 2491 states and 4787 transitions. [2021-10-19 14:25:06,606 INFO L78 Accepts]: Start accepts. Automaton has 2491 states and 4787 transitions. Word has length 123 [2021-10-19 14:25:06,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:06,606 INFO L470 AbstractCegarLoop]: Abstraction has 2491 states and 4787 transitions. [2021-10-19 14:25:06,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:06,606 INFO L276 IsEmpty]: Start isEmpty. Operand 2491 states and 4787 transitions. [2021-10-19 14:25:06,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:25:06,608 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:06,608 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:06,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-10-19 14:25:06,608 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:06,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:06,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1282853264, now seen corresponding path program 7 times [2021-10-19 14:25:06,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:06,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519725084] [2021-10-19 14:25:06,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:06,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:06,999 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 14:25:06,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:06,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519725084] [2021-10-19 14:25:07,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519725084] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:07,000 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:07,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:25:07,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145175621] [2021-10-19 14:25:07,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:25:07,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:07,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:25:07,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:25:07,000 INFO L87 Difference]: Start difference. First operand 2491 states and 4787 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:09,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:09,187 INFO L93 Difference]: Finished difference Result 3985 states and 7694 transitions. [2021-10-19 14:25:09,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:25:09,189 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:25:09,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:09,193 INFO L225 Difference]: With dead ends: 3985 [2021-10-19 14:25:09,194 INFO L226 Difference]: Without dead ends: 3985 [2021-10-19 14:25:09,194 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1487 ImplicationChecksByTransitivity, 1260.9ms TimeCoverageRelationStatistics Valid=811, Invalid=4301, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:25:09,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3985 states. [2021-10-19 14:25:09,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3985 to 2489. [2021-10-19 14:25:09,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2489 states, 2477 states have (on average 1.930964876867178) internal successors, (4783), 2488 states have internal predecessors, (4783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:09,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 2489 states and 4783 transitions. [2021-10-19 14:25:09,217 INFO L78 Accepts]: Start accepts. Automaton has 2489 states and 4783 transitions. Word has length 123 [2021-10-19 14:25:09,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:09,218 INFO L470 AbstractCegarLoop]: Abstraction has 2489 states and 4783 transitions. [2021-10-19 14:25:09,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:09,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2489 states and 4783 transitions. [2021-10-19 14:25:09,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:25:09,219 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:09,219 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:09,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-10-19 14:25:09,219 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:09,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:09,219 INFO L82 PathProgramCache]: Analyzing trace with hash -403646656, now seen corresponding path program 8 times [2021-10-19 14:25:09,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:09,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234341380] [2021-10-19 14:25:09,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:09,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:09,692 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 14:25:09,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:09,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234341380] [2021-10-19 14:25:09,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234341380] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:09,692 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:09,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:25:09,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885642553] [2021-10-19 14:25:09,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:25:09,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:09,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:25:09,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:25:09,694 INFO L87 Difference]: Start difference. First operand 2489 states and 4783 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:12,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:12,558 INFO L93 Difference]: Finished difference Result 4041 states and 7802 transitions. [2021-10-19 14:25:12,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-19 14:25:12,559 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:25:12,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:12,563 INFO L225 Difference]: With dead ends: 4041 [2021-10-19 14:25:12,563 INFO L226 Difference]: Without dead ends: 4041 [2021-10-19 14:25:12,564 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1592 ImplicationChecksByTransitivity, 1703.9ms TimeCoverageRelationStatistics Valid=828, Invalid=4574, Unknown=0, NotChecked=0, Total=5402 [2021-10-19 14:25:12,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4041 states. [2021-10-19 14:25:12,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4041 to 2487. [2021-10-19 14:25:12,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2487 states, 2475 states have (on average 1.930909090909091) internal successors, (4779), 2486 states have internal predecessors, (4779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:12,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2487 states and 4779 transitions. [2021-10-19 14:25:12,588 INFO L78 Accepts]: Start accepts. Automaton has 2487 states and 4779 transitions. Word has length 123 [2021-10-19 14:25:12,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:12,588 INFO L470 AbstractCegarLoop]: Abstraction has 2487 states and 4779 transitions. [2021-10-19 14:25:12,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:12,588 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 4779 transitions. [2021-10-19 14:25:12,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:25:12,589 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:12,590 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:12,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-10-19 14:25:12,590 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:12,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:12,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1837160018, now seen corresponding path program 9 times [2021-10-19 14:25:12,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:12,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167692242] [2021-10-19 14:25:12,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:12,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:12,914 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 14:25:12,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:12,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167692242] [2021-10-19 14:25:12,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167692242] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:12,914 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:12,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:25:12,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417417814] [2021-10-19 14:25:12,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:25:12,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:12,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:25:12,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:25:12,915 INFO L87 Difference]: Start difference. First operand 2487 states and 4779 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:15,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:15,075 INFO L93 Difference]: Finished difference Result 4011 states and 7744 transitions. [2021-10-19 14:25:15,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-19 14:25:15,076 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:25:15,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:15,082 INFO L225 Difference]: With dead ends: 4011 [2021-10-19 14:25:15,082 INFO L226 Difference]: Without dead ends: 4011 [2021-10-19 14:25:15,083 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1703 ImplicationChecksByTransitivity, 1264.1ms TimeCoverageRelationStatistics Valid=862, Invalid=4838, Unknown=0, NotChecked=0, Total=5700 [2021-10-19 14:25:15,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4011 states. [2021-10-19 14:25:15,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4011 to 2453. [2021-10-19 14:25:15,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2453 states, 2441 states have (on average 1.928308070462925) internal successors, (4707), 2452 states have internal predecessors, (4707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:15,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2453 states to 2453 states and 4707 transitions. [2021-10-19 14:25:15,105 INFO L78 Accepts]: Start accepts. Automaton has 2453 states and 4707 transitions. Word has length 123 [2021-10-19 14:25:15,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:15,112 INFO L470 AbstractCegarLoop]: Abstraction has 2453 states and 4707 transitions. [2021-10-19 14:25:15,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:15,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2453 states and 4707 transitions. [2021-10-19 14:25:15,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:25:15,114 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:15,114 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:15,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-10-19 14:25:15,115 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:15,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:15,115 INFO L82 PathProgramCache]: Analyzing trace with hash -163384642, now seen corresponding path program 10 times [2021-10-19 14:25:15,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:15,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191154132] [2021-10-19 14:25:15,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:15,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:15,596 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 14:25:15,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:15,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191154132] [2021-10-19 14:25:15,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191154132] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:15,597 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:15,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:25:15,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031454145] [2021-10-19 14:25:15,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:25:15,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:15,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:25:15,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:25:15,598 INFO L87 Difference]: Start difference. First operand 2453 states and 4707 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:17,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:17,626 INFO L93 Difference]: Finished difference Result 2717 states and 5190 transitions. [2021-10-19 14:25:17,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-19 14:25:17,626 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:25:17,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:17,629 INFO L225 Difference]: With dead ends: 2717 [2021-10-19 14:25:17,629 INFO L226 Difference]: Without dead ends: 2717 [2021-10-19 14:25:17,629 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1250 ImplicationChecksByTransitivity, 1188.2ms TimeCoverageRelationStatistics Valid=829, Invalid=3593, Unknown=0, NotChecked=0, Total=4422 [2021-10-19 14:25:17,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2717 states. [2021-10-19 14:25:17,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2717 to 2467. [2021-10-19 14:25:17,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2467 states, 2455 states have (on average 1.9287169042769858) internal successors, (4735), 2466 states have internal predecessors, (4735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:17,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 4735 transitions. [2021-10-19 14:25:17,650 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 4735 transitions. Word has length 123 [2021-10-19 14:25:17,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:17,651 INFO L470 AbstractCegarLoop]: Abstraction has 2467 states and 4735 transitions. [2021-10-19 14:25:17,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:17,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 4735 transitions. [2021-10-19 14:25:17,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:25:17,652 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:17,652 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:17,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-10-19 14:25:17,652 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:17,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:17,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1143099636, now seen corresponding path program 11 times [2021-10-19 14:25:17,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:17,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403720354] [2021-10-19 14:25:17,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:17,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:18,143 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 14:25:18,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:18,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403720354] [2021-10-19 14:25:18,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403720354] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:18,144 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:18,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:25:18,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389807969] [2021-10-19 14:25:18,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:25:18,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:18,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:25:18,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:25:18,144 INFO L87 Difference]: Start difference. First operand 2467 states and 4735 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:20,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:20,280 INFO L93 Difference]: Finished difference Result 2748 states and 5251 transitions. [2021-10-19 14:25:20,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:25:20,280 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:25:20,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:20,283 INFO L225 Difference]: With dead ends: 2748 [2021-10-19 14:25:20,283 INFO L226 Difference]: Without dead ends: 2748 [2021-10-19 14:25:20,284 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1414 ImplicationChecksByTransitivity, 1426.6ms TimeCoverageRelationStatistics Valid=932, Invalid=3898, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:25:20,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2748 states. [2021-10-19 14:25:20,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2748 to 2473. [2021-10-19 14:25:20,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2473 states, 2461 states have (on average 1.9288906948394962) internal successors, (4747), 2472 states have internal predecessors, (4747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:20,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 2473 states and 4747 transitions. [2021-10-19 14:25:20,315 INFO L78 Accepts]: Start accepts. Automaton has 2473 states and 4747 transitions. Word has length 123 [2021-10-19 14:25:20,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:20,315 INFO L470 AbstractCegarLoop]: Abstraction has 2473 states and 4747 transitions. [2021-10-19 14:25:20,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:20,315 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 4747 transitions. [2021-10-19 14:25:20,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:25:20,316 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:20,316 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:20,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-10-19 14:25:20,316 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:20,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:20,317 INFO L82 PathProgramCache]: Analyzing trace with hash 549718640, now seen corresponding path program 12 times [2021-10-19 14:25:20,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:20,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228828765] [2021-10-19 14:25:20,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:20,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:20,754 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 14:25:20,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:20,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228828765] [2021-10-19 14:25:20,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228828765] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:20,754 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:20,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:25:20,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142355618] [2021-10-19 14:25:20,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:25:20,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:20,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:25:20,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:25:20,755 INFO L87 Difference]: Start difference. First operand 2473 states and 4747 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:23,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:23,475 INFO L93 Difference]: Finished difference Result 2765 states and 5284 transitions. [2021-10-19 14:25:23,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:25:23,475 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:25:23,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:23,478 INFO L225 Difference]: With dead ends: 2765 [2021-10-19 14:25:23,478 INFO L226 Difference]: Without dead ends: 2765 [2021-10-19 14:25:23,478 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1505 ImplicationChecksByTransitivity, 1575.8ms TimeCoverageRelationStatistics Valid=973, Invalid=4139, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:25:23,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2765 states. [2021-10-19 14:25:23,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2765 to 2484. [2021-10-19 14:25:23,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2484 states, 2472 states have (on average 1.9292071197411003) internal successors, (4769), 2483 states have internal predecessors, (4769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:23,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2484 states to 2484 states and 4769 transitions. [2021-10-19 14:25:23,498 INFO L78 Accepts]: Start accepts. Automaton has 2484 states and 4769 transitions. Word has length 123 [2021-10-19 14:25:23,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:23,498 INFO L470 AbstractCegarLoop]: Abstraction has 2484 states and 4769 transitions. [2021-10-19 14:25:23,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:23,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2484 states and 4769 transitions. [2021-10-19 14:25:23,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:25:23,499 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:23,499 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:23,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-10-19 14:25:23,499 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:23,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:23,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1661648996, now seen corresponding path program 13 times [2021-10-19 14:25:23,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:23,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622633879] [2021-10-19 14:25:23,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:23,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:23,987 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 14:25:23,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:23,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622633879] [2021-10-19 14:25:23,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622633879] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:23,987 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:23,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:25:23,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331794624] [2021-10-19 14:25:23,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:25:23,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:23,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:25:23,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:25:23,988 INFO L87 Difference]: Start difference. First operand 2484 states and 4769 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:26,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:26,232 INFO L93 Difference]: Finished difference Result 2769 states and 5294 transitions. [2021-10-19 14:25:26,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:25:26,233 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:25:26,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:26,235 INFO L225 Difference]: With dead ends: 2769 [2021-10-19 14:25:26,235 INFO L226 Difference]: Without dead ends: 2769 [2021-10-19 14:25:26,235 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1315 ImplicationChecksByTransitivity, 1408.3ms TimeCoverageRelationStatistics Valid=863, Invalid=3693, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:25:26,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2769 states. [2021-10-19 14:25:26,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2769 to 2496. [2021-10-19 14:25:26,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2496 states, 2484 states have (on average 1.929549114331723) internal successors, (4793), 2495 states have internal predecessors, (4793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:26,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 4793 transitions. [2021-10-19 14:25:26,254 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 4793 transitions. Word has length 123 [2021-10-19 14:25:26,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:26,254 INFO L470 AbstractCegarLoop]: Abstraction has 2496 states and 4793 transitions. [2021-10-19 14:25:26,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:26,254 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 4793 transitions. [2021-10-19 14:25:26,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:25:26,255 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:26,255 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:26,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-10-19 14:25:26,255 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:26,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:26,256 INFO L82 PathProgramCache]: Analyzing trace with hash 31169280, now seen corresponding path program 14 times [2021-10-19 14:25:26,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:26,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449085343] [2021-10-19 14:25:26,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:26,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:26,681 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 14:25:26,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:26,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449085343] [2021-10-19 14:25:26,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449085343] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:26,682 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:26,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:25:26,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143700585] [2021-10-19 14:25:26,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:25:26,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:26,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:25:26,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:25:26,683 INFO L87 Difference]: Start difference. First operand 2496 states and 4793 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:29,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:29,182 INFO L93 Difference]: Finished difference Result 2811 states and 5376 transitions. [2021-10-19 14:25:29,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:25:29,182 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:25:29,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:29,185 INFO L225 Difference]: With dead ends: 2811 [2021-10-19 14:25:29,185 INFO L226 Difference]: Without dead ends: 2811 [2021-10-19 14:25:29,186 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1515 ImplicationChecksByTransitivity, 1519.6ms TimeCoverageRelationStatistics Valid=966, Invalid=4146, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:25:29,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2811 states. [2021-10-19 14:25:29,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2811 to 2490. [2021-10-19 14:25:29,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2490 states, 2478 states have (on average 1.9293785310734464) internal successors, (4781), 2489 states have internal predecessors, (4781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:29,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 2490 states and 4781 transitions. [2021-10-19 14:25:29,206 INFO L78 Accepts]: Start accepts. Automaton has 2490 states and 4781 transitions. Word has length 123 [2021-10-19 14:25:29,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:29,206 INFO L470 AbstractCegarLoop]: Abstraction has 2490 states and 4781 transitions. [2021-10-19 14:25:29,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:29,206 INFO L276 IsEmpty]: Start isEmpty. Operand 2490 states and 4781 transitions. [2021-10-19 14:25:29,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:25:29,208 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:29,208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:29,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-10-19 14:25:29,208 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:29,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:29,209 INFO L82 PathProgramCache]: Analyzing trace with hash -211978404, now seen corresponding path program 15 times [2021-10-19 14:25:29,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:29,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548161906] [2021-10-19 14:25:29,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:29,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:29,639 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 14:25:29,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:29,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548161906] [2021-10-19 14:25:29,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548161906] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:29,639 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:29,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:25:29,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399801707] [2021-10-19 14:25:29,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:25:29,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:29,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:25:29,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:25:29,640 INFO L87 Difference]: Start difference. First operand 2490 states and 4781 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:31,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:31,896 INFO L93 Difference]: Finished difference Result 2813 states and 5378 transitions. [2021-10-19 14:25:31,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:25:31,897 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:25:31,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:31,899 INFO L225 Difference]: With dead ends: 2813 [2021-10-19 14:25:31,899 INFO L226 Difference]: Without dead ends: 2813 [2021-10-19 14:25:31,900 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1502 ImplicationChecksByTransitivity, 1427.2ms TimeCoverageRelationStatistics Valid=943, Invalid=4169, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:25:31,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2021-10-19 14:25:31,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2501. [2021-10-19 14:25:31,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2501 states, 2489 states have (on average 1.9296906388107673) internal successors, (4803), 2500 states have internal predecessors, (4803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:31,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2501 states to 2501 states and 4803 transitions. [2021-10-19 14:25:31,918 INFO L78 Accepts]: Start accepts. Automaton has 2501 states and 4803 transitions. Word has length 123 [2021-10-19 14:25:31,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:31,918 INFO L470 AbstractCegarLoop]: Abstraction has 2501 states and 4803 transitions. [2021-10-19 14:25:31,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:31,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2501 states and 4803 transitions. [2021-10-19 14:25:31,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:25:31,919 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:31,920 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:31,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-10-19 14:25:31,920 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:31,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:31,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1456300462, now seen corresponding path program 16 times [2021-10-19 14:25:31,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:31,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501731371] [2021-10-19 14:25:31,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:31,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:32,396 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 14:25:32,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:32,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501731371] [2021-10-19 14:25:32,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501731371] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:32,396 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:32,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:25:32,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561459438] [2021-10-19 14:25:32,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:25:32,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:32,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:25:32,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:25:32,397 INFO L87 Difference]: Start difference. First operand 2501 states and 4803 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:34,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:34,477 INFO L93 Difference]: Finished difference Result 2795 states and 5346 transitions. [2021-10-19 14:25:34,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-19 14:25:34,477 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:25:34,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:34,480 INFO L225 Difference]: With dead ends: 2795 [2021-10-19 14:25:34,480 INFO L226 Difference]: Without dead ends: 2795 [2021-10-19 14:25:34,480 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1214 ImplicationChecksByTransitivity, 1309.3ms TimeCoverageRelationStatistics Valid=797, Invalid=3493, Unknown=0, NotChecked=0, Total=4290 [2021-10-19 14:25:34,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2795 states. [2021-10-19 14:25:34,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2795 to 2519. [2021-10-19 14:25:34,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2519 states, 2507 states have (on average 1.9301954527323495) internal successors, (4839), 2518 states have internal predecessors, (4839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:34,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 2519 states and 4839 transitions. [2021-10-19 14:25:34,500 INFO L78 Accepts]: Start accepts. Automaton has 2519 states and 4839 transitions. Word has length 123 [2021-10-19 14:25:34,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:34,500 INFO L470 AbstractCegarLoop]: Abstraction has 2519 states and 4839 transitions. [2021-10-19 14:25:34,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:34,500 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 4839 transitions. [2021-10-19 14:25:34,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:25:34,501 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:34,501 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:34,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-10-19 14:25:34,501 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:34,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:34,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1145848558, now seen corresponding path program 17 times [2021-10-19 14:25:34,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:34,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365749922] [2021-10-19 14:25:34,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:34,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:34,921 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 14:25:34,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:34,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365749922] [2021-10-19 14:25:34,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365749922] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:34,921 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:34,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:25:34,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302267669] [2021-10-19 14:25:34,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:25:34,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:34,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:25:34,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:25:34,922 INFO L87 Difference]: Start difference. First operand 2519 states and 4839 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:37,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:37,367 INFO L93 Difference]: Finished difference Result 2837 states and 5428 transitions. [2021-10-19 14:25:37,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:25:37,367 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:25:37,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:37,370 INFO L225 Difference]: With dead ends: 2837 [2021-10-19 14:25:37,370 INFO L226 Difference]: Without dead ends: 2837 [2021-10-19 14:25:37,370 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1409 ImplicationChecksByTransitivity, 1549.5ms TimeCoverageRelationStatistics Valid=888, Invalid=3942, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:25:37,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2837 states. [2021-10-19 14:25:37,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2837 to 2513. [2021-10-19 14:25:37,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2513 states, 2501 states have (on average 1.9300279888044782) internal successors, (4827), 2512 states have internal predecessors, (4827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:37,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2513 states and 4827 transitions. [2021-10-19 14:25:37,391 INFO L78 Accepts]: Start accepts. Automaton has 2513 states and 4827 transitions. Word has length 123 [2021-10-19 14:25:37,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:37,392 INFO L470 AbstractCegarLoop]: Abstraction has 2513 states and 4827 transitions. [2021-10-19 14:25:37,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:37,392 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 4827 transitions. [2021-10-19 14:25:37,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:25:37,393 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:37,393 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:37,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-10-19 14:25:37,393 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:37,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:37,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1388996242, now seen corresponding path program 18 times [2021-10-19 14:25:37,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:37,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294757336] [2021-10-19 14:25:37,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:37,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:37,856 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 14:25:37,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:37,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294757336] [2021-10-19 14:25:37,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294757336] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:37,857 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:37,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:25:37,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936905310] [2021-10-19 14:25:37,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:25:37,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:37,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:25:37,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:25:37,858 INFO L87 Difference]: Start difference. First operand 2513 states and 4827 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:40,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:40,229 INFO L93 Difference]: Finished difference Result 2876 states and 5504 transitions. [2021-10-19 14:25:40,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:25:40,230 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:25:40,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:40,233 INFO L225 Difference]: With dead ends: 2876 [2021-10-19 14:25:40,233 INFO L226 Difference]: Without dead ends: 2876 [2021-10-19 14:25:40,234 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1513 ImplicationChecksByTransitivity, 1467.8ms TimeCoverageRelationStatistics Valid=924, Invalid=4188, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:25:40,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2876 states. [2021-10-19 14:25:40,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2876 to 2507. [2021-10-19 14:25:40,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2507 states, 2495 states have (on average 1.9298597194388778) internal successors, (4815), 2506 states have internal predecessors, (4815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:40,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2507 states and 4815 transitions. [2021-10-19 14:25:40,254 INFO L78 Accepts]: Start accepts. Automaton has 2507 states and 4815 transitions. Word has length 123 [2021-10-19 14:25:40,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:40,254 INFO L470 AbstractCegarLoop]: Abstraction has 2507 states and 4815 transitions. [2021-10-19 14:25:40,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:40,254 INFO L276 IsEmpty]: Start isEmpty. Operand 2507 states and 4815 transitions. [2021-10-19 14:25:40,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:25:40,255 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:40,255 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:40,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-10-19 14:25:40,256 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:40,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:40,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1709958482, now seen corresponding path program 19 times [2021-10-19 14:25:40,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:40,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899742491] [2021-10-19 14:25:40,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:40,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:40,619 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 14:25:40,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:40,619 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899742491] [2021-10-19 14:25:40,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899742491] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:40,619 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:40,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:25:40,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347620160] [2021-10-19 14:25:40,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:25:40,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:40,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:25:40,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:25:40,620 INFO L87 Difference]: Start difference. First operand 2507 states and 4815 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:43,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:43,172 INFO L93 Difference]: Finished difference Result 2861 states and 5472 transitions. [2021-10-19 14:25:43,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:25:43,173 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:25:43,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:43,175 INFO L225 Difference]: With dead ends: 2861 [2021-10-19 14:25:43,175 INFO L226 Difference]: Without dead ends: 2861 [2021-10-19 14:25:43,176 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1499 ImplicationChecksByTransitivity, 1470.3ms TimeCoverageRelationStatistics Valid=917, Invalid=4195, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:25:43,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2861 states. [2021-10-19 14:25:43,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2861 to 2518. [2021-10-19 14:25:43,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2518 states, 2506 states have (on average 1.9301675977653632) internal successors, (4837), 2517 states have internal predecessors, (4837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:43,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 2518 states and 4837 transitions. [2021-10-19 14:25:43,196 INFO L78 Accepts]: Start accepts. Automaton has 2518 states and 4837 transitions. Word has length 123 [2021-10-19 14:25:43,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:43,196 INFO L470 AbstractCegarLoop]: Abstraction has 2518 states and 4837 transitions. [2021-10-19 14:25:43,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:43,196 INFO L276 IsEmpty]: Start isEmpty. Operand 2518 states and 4837 transitions. [2021-10-19 14:25:43,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:25:43,197 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:43,197 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:43,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-10-19 14:25:43,197 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:43,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:43,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1605367162, now seen corresponding path program 20 times [2021-10-19 14:25:43,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:43,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631069372] [2021-10-19 14:25:43,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:43,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:43,658 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 14:25:43,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:43,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631069372] [2021-10-19 14:25:43,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631069372] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:43,658 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:43,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:25:43,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890845972] [2021-10-19 14:25:43,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:25:43,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:43,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:25:43,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:25:43,659 INFO L87 Difference]: Start difference. First operand 2518 states and 4837 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:45,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:45,422 INFO L93 Difference]: Finished difference Result 3165 states and 6079 transitions. [2021-10-19 14:25:45,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-19 14:25:45,422 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:25:45,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:45,426 INFO L225 Difference]: With dead ends: 3165 [2021-10-19 14:25:45,426 INFO L226 Difference]: Without dead ends: 3165 [2021-10-19 14:25:45,426 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1212 ImplicationChecksByTransitivity, 1102.0ms TimeCoverageRelationStatistics Valid=762, Invalid=3528, Unknown=0, NotChecked=0, Total=4290 [2021-10-19 14:25:45,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3165 states. [2021-10-19 14:25:45,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3165 to 2560. [2021-10-19 14:25:45,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2560 states, 2548 states have (on average 1.9313186813186813) internal successors, (4921), 2559 states have internal predecessors, (4921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:45,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 2560 states and 4921 transitions. [2021-10-19 14:25:45,448 INFO L78 Accepts]: Start accepts. Automaton has 2560 states and 4921 transitions. Word has length 123 [2021-10-19 14:25:45,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:45,448 INFO L470 AbstractCegarLoop]: Abstraction has 2560 states and 4921 transitions. [2021-10-19 14:25:45,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:45,448 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 4921 transitions. [2021-10-19 14:25:45,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:25:45,450 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:45,450 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:45,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-10-19 14:25:45,450 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:45,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:45,450 INFO L82 PathProgramCache]: Analyzing trace with hash -996781858, now seen corresponding path program 21 times [2021-10-19 14:25:45,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:45,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348584940] [2021-10-19 14:25:45,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:45,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:45,859 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 14:25:45,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:45,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348584940] [2021-10-19 14:25:45,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348584940] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:45,859 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:45,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:25:45,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877822189] [2021-10-19 14:25:45,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:25:45,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:45,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:25:45,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:25:45,860 INFO L87 Difference]: Start difference. First operand 2560 states and 4921 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:47,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:47,965 INFO L93 Difference]: Finished difference Result 3207 states and 6161 transitions. [2021-10-19 14:25:47,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:25:47,966 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:25:47,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:47,969 INFO L225 Difference]: With dead ends: 3207 [2021-10-19 14:25:47,969 INFO L226 Difference]: Without dead ends: 3207 [2021-10-19 14:25:47,970 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1411 ImplicationChecksByTransitivity, 1240.6ms TimeCoverageRelationStatistics Valid=842, Invalid=3988, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:25:47,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3207 states. [2021-10-19 14:25:47,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3207 to 2554. [2021-10-19 14:25:47,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2554 states, 2542 states have (on average 1.9311565696302124) internal successors, (4909), 2553 states have internal predecessors, (4909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:47,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2554 states to 2554 states and 4909 transitions. [2021-10-19 14:25:47,993 INFO L78 Accepts]: Start accepts. Automaton has 2554 states and 4909 transitions. Word has length 123 [2021-10-19 14:25:47,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:47,993 INFO L470 AbstractCegarLoop]: Abstraction has 2554 states and 4909 transitions. [2021-10-19 14:25:47,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:47,993 INFO L276 IsEmpty]: Start isEmpty. Operand 2554 states and 4909 transitions. [2021-10-19 14:25:47,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:25:47,995 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:47,995 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:47,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-10-19 14:25:47,995 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:47,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:47,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1239929542, now seen corresponding path program 22 times [2021-10-19 14:25:47,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:47,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716085571] [2021-10-19 14:25:47,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:47,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:48,423 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 14:25:48,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:48,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716085571] [2021-10-19 14:25:48,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716085571] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:48,423 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:48,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:25:48,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883159172] [2021-10-19 14:25:48,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:25:48,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:48,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:25:48,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:25:48,424 INFO L87 Difference]: Start difference. First operand 2554 states and 4909 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:50,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:50,817 INFO L93 Difference]: Finished difference Result 3246 states and 6237 transitions. [2021-10-19 14:25:50,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:25:50,817 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:25:50,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:50,820 INFO L225 Difference]: With dead ends: 3246 [2021-10-19 14:25:50,820 INFO L226 Difference]: Without dead ends: 3246 [2021-10-19 14:25:50,821 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1520 ImplicationChecksByTransitivity, 1274.8ms TimeCoverageRelationStatistics Valid=868, Invalid=4244, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:25:50,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3246 states. [2021-10-19 14:25:50,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3246 to 2548. [2021-10-19 14:25:50,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2548 states, 2536 states have (on average 1.9309936908517351) internal successors, (4897), 2547 states have internal predecessors, (4897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:50,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 2548 states and 4897 transitions. [2021-10-19 14:25:50,842 INFO L78 Accepts]: Start accepts. Automaton has 2548 states and 4897 transitions. Word has length 123 [2021-10-19 14:25:50,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:50,842 INFO L470 AbstractCegarLoop]: Abstraction has 2548 states and 4897 transitions. [2021-10-19 14:25:50,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:50,842 INFO L276 IsEmpty]: Start isEmpty. Operand 2548 states and 4897 transitions. [2021-10-19 14:25:50,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:25:50,843 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:50,844 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:50,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-10-19 14:25:50,844 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:50,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:50,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1859025182, now seen corresponding path program 23 times [2021-10-19 14:25:50,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:50,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094808965] [2021-10-19 14:25:50,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:50,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:51,254 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 14:25:51,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:51,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094808965] [2021-10-19 14:25:51,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094808965] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:51,255 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:51,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:25:51,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027136066] [2021-10-19 14:25:51,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:25:51,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:51,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:25:51,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:25:51,256 INFO L87 Difference]: Start difference. First operand 2548 states and 4897 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:53,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:53,509 INFO L93 Difference]: Finished difference Result 3288 states and 6319 transitions. [2021-10-19 14:25:53,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-19 14:25:53,509 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:25:53,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:53,513 INFO L225 Difference]: With dead ends: 3288 [2021-10-19 14:25:53,513 INFO L226 Difference]: Without dead ends: 3288 [2021-10-19 14:25:53,513 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1625 ImplicationChecksByTransitivity, 1312.2ms TimeCoverageRelationStatistics Valid=911, Invalid=4491, Unknown=0, NotChecked=0, Total=5402 [2021-10-19 14:25:53,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3288 states. [2021-10-19 14:25:53,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3288 to 2542. [2021-10-19 14:25:53,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2542 states, 2530 states have (on average 1.9308300395256917) internal successors, (4885), 2541 states have internal predecessors, (4885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:53,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2542 states and 4885 transitions. [2021-10-19 14:25:53,544 INFO L78 Accepts]: Start accepts. Automaton has 2542 states and 4885 transitions. Word has length 123 [2021-10-19 14:25:53,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:53,544 INFO L470 AbstractCegarLoop]: Abstraction has 2542 states and 4885 transitions. [2021-10-19 14:25:53,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:53,544 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 4885 transitions. [2021-10-19 14:25:53,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:25:53,545 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:53,545 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:53,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-10-19 14:25:53,545 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:53,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:53,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1837587206, now seen corresponding path program 24 times [2021-10-19 14:25:53,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:53,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426035272] [2021-10-19 14:25:53,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:53,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:53,847 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 14:25:53,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:53,848 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426035272] [2021-10-19 14:25:53,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426035272] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:53,848 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:53,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:25:53,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577178456] [2021-10-19 14:25:53,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:25:53,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:53,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:25:53,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:25:53,849 INFO L87 Difference]: Start difference. First operand 2542 states and 4885 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:56,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:56,063 INFO L93 Difference]: Finished difference Result 4228 states and 8121 transitions. [2021-10-19 14:25:56,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-19 14:25:56,064 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:25:56,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:56,068 INFO L225 Difference]: With dead ends: 4228 [2021-10-19 14:25:56,068 INFO L226 Difference]: Without dead ends: 4228 [2021-10-19 14:25:56,069 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1664 ImplicationChecksByTransitivity, 1132.9ms TimeCoverageRelationStatistics Valid=936, Invalid=4614, Unknown=0, NotChecked=0, Total=5550 [2021-10-19 14:25:56,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4228 states. [2021-10-19 14:25:56,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4228 to 2573. [2021-10-19 14:25:56,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2573 states, 2561 states have (on average 1.9316673174541195) internal successors, (4947), 2572 states have internal predecessors, (4947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:56,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2573 states and 4947 transitions. [2021-10-19 14:25:56,096 INFO L78 Accepts]: Start accepts. Automaton has 2573 states and 4947 transitions. Word has length 123 [2021-10-19 14:25:56,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:56,097 INFO L470 AbstractCegarLoop]: Abstraction has 2573 states and 4947 transitions. [2021-10-19 14:25:56,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:56,097 INFO L276 IsEmpty]: Start isEmpty. Operand 2573 states and 4947 transitions. [2021-10-19 14:25:56,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:25:56,098 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:56,098 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:56,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-10-19 14:25:56,098 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:56,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:56,098 INFO L82 PathProgramCache]: Analyzing trace with hash 2074940714, now seen corresponding path program 7 times [2021-10-19 14:25:56,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:56,098 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982291011] [2021-10-19 14:25:56,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:56,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:56,381 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 14:25:56,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:56,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982291011] [2021-10-19 14:25:56,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982291011] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:56,382 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:56,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:25:56,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800344146] [2021-10-19 14:25:56,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:25:56,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:56,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:25:56,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:25:56,383 INFO L87 Difference]: Start difference. First operand 2573 states and 4947 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:59,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:59,144 INFO L93 Difference]: Finished difference Result 4571 states and 8734 transitions. [2021-10-19 14:25:59,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:25:59,144 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:25:59,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:59,148 INFO L225 Difference]: With dead ends: 4571 [2021-10-19 14:25:59,148 INFO L226 Difference]: Without dead ends: 4571 [2021-10-19 14:25:59,149 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1467 ImplicationChecksByTransitivity, 1024.2ms TimeCoverageRelationStatistics Valid=722, Invalid=4534, Unknown=0, NotChecked=0, Total=5256 [2021-10-19 14:25:59,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4571 states. [2021-10-19 14:25:59,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4571 to 2453. [2021-10-19 14:25:59,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2453 states, 2441 states have (on average 1.928308070462925) internal successors, (4707), 2452 states have internal predecessors, (4707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:59,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2453 states to 2453 states and 4707 transitions. [2021-10-19 14:25:59,171 INFO L78 Accepts]: Start accepts. Automaton has 2453 states and 4707 transitions. Word has length 123 [2021-10-19 14:25:59,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:59,172 INFO L470 AbstractCegarLoop]: Abstraction has 2453 states and 4707 transitions. [2021-10-19 14:25:59,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:59,172 INFO L276 IsEmpty]: Start isEmpty. Operand 2453 states and 4707 transitions. [2021-10-19 14:25:59,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:25:59,173 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:59,173 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:25:59,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-10-19 14:25:59,173 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:59,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:59,173 INFO L82 PathProgramCache]: Analyzing trace with hash -906553308, now seen corresponding path program 8 times [2021-10-19 14:25:59,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:59,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358207934] [2021-10-19 14:25:59,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:59,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:59,412 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 14:25:59,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:59,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358207934] [2021-10-19 14:25:59,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358207934] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:59,412 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:59,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:25:59,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807540104] [2021-10-19 14:25:59,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:25:59,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:59,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:25:59,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:25:59,413 INFO L87 Difference]: Start difference. First operand 2453 states and 4707 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:01,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:01,718 INFO L93 Difference]: Finished difference Result 5705 states and 10941 transitions. [2021-10-19 14:26:01,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-10-19 14:26:01,718 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:26:01,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:01,724 INFO L225 Difference]: With dead ends: 5705 [2021-10-19 14:26:01,724 INFO L226 Difference]: Without dead ends: 5705 [2021-10-19 14:26:01,725 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1461 ImplicationChecksByTransitivity, 798.9ms TimeCoverageRelationStatistics Valid=669, Invalid=4443, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:26:01,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5705 states. [2021-10-19 14:26:01,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5705 to 2497. [2021-10-19 14:26:01,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2497 states, 2485 states have (on average 1.9295774647887325) internal successors, (4795), 2496 states have internal predecessors, (4795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:01,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2497 states and 4795 transitions. [2021-10-19 14:26:01,755 INFO L78 Accepts]: Start accepts. Automaton has 2497 states and 4795 transitions. Word has length 123 [2021-10-19 14:26:01,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:01,755 INFO L470 AbstractCegarLoop]: Abstraction has 2497 states and 4795 transitions. [2021-10-19 14:26:01,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:01,755 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 4795 transitions. [2021-10-19 14:26:01,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:26:01,756 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:01,756 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:26:01,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-10-19 14:26:01,756 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:01,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:01,757 INFO L82 PathProgramCache]: Analyzing trace with hash -813446040, now seen corresponding path program 9 times [2021-10-19 14:26:01,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:01,757 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548470517] [2021-10-19 14:26:01,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:01,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:01,977 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 14:26:01,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:01,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548470517] [2021-10-19 14:26:01,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548470517] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:01,977 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:01,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:01,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525745885] [2021-10-19 14:26:01,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:01,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:01,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:01,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:01,978 INFO L87 Difference]: Start difference. First operand 2497 states and 4795 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:04,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:04,675 INFO L93 Difference]: Finished difference Result 5863 states and 11247 transitions. [2021-10-19 14:26:04,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-19 14:26:04,676 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:26:04,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:04,682 INFO L225 Difference]: With dead ends: 5863 [2021-10-19 14:26:04,682 INFO L226 Difference]: Without dead ends: 5863 [2021-10-19 14:26:04,683 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1629 ImplicationChecksByTransitivity, 909.8ms TimeCoverageRelationStatistics Valid=715, Invalid=4835, Unknown=0, NotChecked=0, Total=5550 [2021-10-19 14:26:04,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5863 states. [2021-10-19 14:26:04,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5863 to 2509. [2021-10-19 14:26:04,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2509 states, 2497 states have (on average 1.9303163796555867) internal successors, (4820), 2508 states have internal predecessors, (4820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:04,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 2509 states and 4820 transitions. [2021-10-19 14:26:04,721 INFO L78 Accepts]: Start accepts. Automaton has 2509 states and 4820 transitions. Word has length 123 [2021-10-19 14:26:04,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:04,721 INFO L470 AbstractCegarLoop]: Abstraction has 2509 states and 4820 transitions. [2021-10-19 14:26:04,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:04,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2509 states and 4820 transitions. [2021-10-19 14:26:04,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:26:04,722 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:04,722 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:26:04,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-10-19 14:26:04,723 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:04,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:04,723 INFO L82 PathProgramCache]: Analyzing trace with hash -135181404, now seen corresponding path program 10 times [2021-10-19 14:26:04,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:04,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794884527] [2021-10-19 14:26:04,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:04,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:04,929 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 14:26:04,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:04,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794884527] [2021-10-19 14:26:04,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794884527] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:04,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:04,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:04,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531496137] [2021-10-19 14:26:04,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:04,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:04,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:04,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:04,930 INFO L87 Difference]: Start difference. First operand 2509 states and 4820 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:07,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:07,735 INFO L93 Difference]: Finished difference Result 5951 states and 11423 transitions. [2021-10-19 14:26:07,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-19 14:26:07,736 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:26:07,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:07,742 INFO L225 Difference]: With dead ends: 5951 [2021-10-19 14:26:07,742 INFO L226 Difference]: Without dead ends: 5951 [2021-10-19 14:26:07,742 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1708 ImplicationChecksByTransitivity, 973.7ms TimeCoverageRelationStatistics Valid=786, Invalid=5066, Unknown=0, NotChecked=0, Total=5852 [2021-10-19 14:26:07,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5951 states. [2021-10-19 14:26:07,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5951 to 2521. [2021-10-19 14:26:07,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2521 states, 2509 states have (on average 1.931048226385014) internal successors, (4845), 2520 states have internal predecessors, (4845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:07,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2521 states and 4845 transitions. [2021-10-19 14:26:07,771 INFO L78 Accepts]: Start accepts. Automaton has 2521 states and 4845 transitions. Word has length 123 [2021-10-19 14:26:07,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:07,771 INFO L470 AbstractCegarLoop]: Abstraction has 2521 states and 4845 transitions. [2021-10-19 14:26:07,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:07,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 4845 transitions. [2021-10-19 14:26:07,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:26:07,772 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:07,772 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:26:07,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-10-19 14:26:07,772 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:07,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:07,773 INFO L82 PathProgramCache]: Analyzing trace with hash 630527302, now seen corresponding path program 11 times [2021-10-19 14:26:07,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:07,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117195748] [2021-10-19 14:26:07,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:07,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:07,984 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 14:26:07,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:07,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117195748] [2021-10-19 14:26:07,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117195748] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:07,985 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:07,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:07,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131589736] [2021-10-19 14:26:07,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:07,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:07,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:07,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:07,986 INFO L87 Difference]: Start difference. First operand 2521 states and 4845 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:10,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:10,626 INFO L93 Difference]: Finished difference Result 6039 states and 11599 transitions. [2021-10-19 14:26:10,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-10-19 14:26:10,627 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:26:10,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:10,634 INFO L225 Difference]: With dead ends: 6039 [2021-10-19 14:26:10,634 INFO L226 Difference]: Without dead ends: 6039 [2021-10-19 14:26:10,635 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1833 ImplicationChecksByTransitivity, 1039.5ms TimeCoverageRelationStatistics Valid=809, Invalid=5353, Unknown=0, NotChecked=0, Total=6162 [2021-10-19 14:26:10,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6039 states. [2021-10-19 14:26:10,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6039 to 2533. [2021-10-19 14:26:10,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2533 states, 2521 states have (on average 1.9317731059103531) internal successors, (4870), 2532 states have internal predecessors, (4870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:10,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2533 states to 2533 states and 4870 transitions. [2021-10-19 14:26:10,677 INFO L78 Accepts]: Start accepts. Automaton has 2533 states and 4870 transitions. Word has length 123 [2021-10-19 14:26:10,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:10,677 INFO L470 AbstractCegarLoop]: Abstraction has 2533 states and 4870 transitions. [2021-10-19 14:26:10,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:10,677 INFO L276 IsEmpty]: Start isEmpty. Operand 2533 states and 4870 transitions. [2021-10-19 14:26:10,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:26:10,678 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:10,678 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:26:10,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-10-19 14:26:10,678 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:10,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:10,679 INFO L82 PathProgramCache]: Analyzing trace with hash 712687402, now seen corresponding path program 25 times [2021-10-19 14:26:10,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:10,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592597232] [2021-10-19 14:26:10,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:10,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:10,916 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 14:26:10,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:10,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592597232] [2021-10-19 14:26:10,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592597232] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:10,916 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:10,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:10,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808251737] [2021-10-19 14:26:10,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:10,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:10,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:10,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:10,917 INFO L87 Difference]: Start difference. First operand 2533 states and 4870 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:13,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:13,019 INFO L93 Difference]: Finished difference Result 5853 states and 11306 transitions. [2021-10-19 14:26:13,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-10-19 14:26:13,019 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:26:13,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:13,026 INFO L225 Difference]: With dead ends: 5853 [2021-10-19 14:26:13,026 INFO L226 Difference]: Without dead ends: 5853 [2021-10-19 14:26:13,026 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1987 ImplicationChecksByTransitivity, 822.6ms TimeCoverageRelationStatistics Valid=764, Invalid=5556, Unknown=0, NotChecked=0, Total=6320 [2021-10-19 14:26:13,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5853 states. [2021-10-19 14:26:13,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5853 to 2563. [2021-10-19 14:26:13,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2563 states, 2551 states have (on average 1.9313994511956096) internal successors, (4927), 2562 states have internal predecessors, (4927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:13,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2563 states and 4927 transitions. [2021-10-19 14:26:13,058 INFO L78 Accepts]: Start accepts. Automaton has 2563 states and 4927 transitions. Word has length 123 [2021-10-19 14:26:13,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:13,058 INFO L470 AbstractCegarLoop]: Abstraction has 2563 states and 4927 transitions. [2021-10-19 14:26:13,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:13,058 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 4927 transitions. [2021-10-19 14:26:13,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:26:13,059 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:13,059 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:26:13,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-10-19 14:26:13,063 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:13,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:13,063 INFO L82 PathProgramCache]: Analyzing trace with hash -609914218, now seen corresponding path program 12 times [2021-10-19 14:26:13,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:13,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139211714] [2021-10-19 14:26:13,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:13,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:13,286 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 14:26:13,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:13,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139211714] [2021-10-19 14:26:13,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139211714] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:13,286 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:13,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:13,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508692438] [2021-10-19 14:26:13,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:13,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:13,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:13,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:13,287 INFO L87 Difference]: Start difference. First operand 2563 states and 4927 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:15,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:15,821 INFO L93 Difference]: Finished difference Result 6708 states and 12880 transitions. [2021-10-19 14:26:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-19 14:26:15,822 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:26:15,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:15,829 INFO L225 Difference]: With dead ends: 6708 [2021-10-19 14:26:15,829 INFO L226 Difference]: Without dead ends: 6708 [2021-10-19 14:26:15,830 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1808 ImplicationChecksByTransitivity, 858.3ms TimeCoverageRelationStatistics Valid=777, Invalid=5229, Unknown=0, NotChecked=0, Total=6006 [2021-10-19 14:26:15,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6708 states. [2021-10-19 14:26:15,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6708 to 2483. [2021-10-19 14:26:15,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2483 states, 2471 states have (on average 1.9291784702549575) internal successors, (4767), 2482 states have internal predecessors, (4767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:15,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 2483 states and 4767 transitions. [2021-10-19 14:26:15,861 INFO L78 Accepts]: Start accepts. Automaton has 2483 states and 4767 transitions. Word has length 123 [2021-10-19 14:26:15,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:15,861 INFO L470 AbstractCegarLoop]: Abstraction has 2483 states and 4767 transitions. [2021-10-19 14:26:15,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:15,861 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 4767 transitions. [2021-10-19 14:26:15,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:26:15,862 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:15,862 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:26:15,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-10-19 14:26:15,862 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:15,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:15,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1329135282, now seen corresponding path program 26 times [2021-10-19 14:26:15,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:15,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848006934] [2021-10-19 14:26:15,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:15,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:16,091 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 14:26:16,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:16,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848006934] [2021-10-19 14:26:16,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848006934] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:16,091 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:16,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:16,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454489515] [2021-10-19 14:26:16,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:16,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:16,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:16,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:16,092 INFO L87 Difference]: Start difference. First operand 2483 states and 4767 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:18,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:18,006 INFO L93 Difference]: Finished difference Result 4696 states and 9073 transitions. [2021-10-19 14:26:18,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-19 14:26:18,006 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:26:18,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:18,011 INFO L225 Difference]: With dead ends: 4696 [2021-10-19 14:26:18,011 INFO L226 Difference]: Without dead ends: 4696 [2021-10-19 14:26:18,012 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1288 ImplicationChecksByTransitivity, 686.1ms TimeCoverageRelationStatistics Valid=603, Invalid=3953, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:26:18,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4696 states. [2021-10-19 14:26:18,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4696 to 2579. [2021-10-19 14:26:18,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2579 states, 2567 states have (on average 1.9318270354499416) internal successors, (4959), 2578 states have internal predecessors, (4959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:18,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2579 states to 2579 states and 4959 transitions. [2021-10-19 14:26:18,039 INFO L78 Accepts]: Start accepts. Automaton has 2579 states and 4959 transitions. Word has length 123 [2021-10-19 14:26:18,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:18,039 INFO L470 AbstractCegarLoop]: Abstraction has 2579 states and 4959 transitions. [2021-10-19 14:26:18,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:18,040 INFO L276 IsEmpty]: Start isEmpty. Operand 2579 states and 4959 transitions. [2021-10-19 14:26:18,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:26:18,041 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:18,041 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:26:18,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-10-19 14:26:18,041 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:18,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:18,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1711574658, now seen corresponding path program 13 times [2021-10-19 14:26:18,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:18,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510484392] [2021-10-19 14:26:18,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:18,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:18,251 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 14:26:18,251 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:18,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510484392] [2021-10-19 14:26:18,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510484392] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:18,252 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:18,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:18,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108794436] [2021-10-19 14:26:18,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:18,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:18,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:18,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:18,252 INFO L87 Difference]: Start difference. First operand 2579 states and 4959 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:20,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:20,583 INFO L93 Difference]: Finished difference Result 5069 states and 9743 transitions. [2021-10-19 14:26:20,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:26:20,583 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:26:20,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:20,588 INFO L225 Difference]: With dead ends: 5069 [2021-10-19 14:26:20,588 INFO L226 Difference]: Without dead ends: 5069 [2021-10-19 14:26:20,588 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1352 ImplicationChecksByTransitivity, 730.0ms TimeCoverageRelationStatistics Valid=645, Invalid=4185, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:26:20,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5069 states. [2021-10-19 14:26:20,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5069 to 2563. [2021-10-19 14:26:20,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2563 states, 2551 states have (on average 1.9329674637397098) internal successors, (4931), 2562 states have internal predecessors, (4931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:20,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2563 states and 4931 transitions. [2021-10-19 14:26:20,611 INFO L78 Accepts]: Start accepts. Automaton has 2563 states and 4931 transitions. Word has length 123 [2021-10-19 14:26:20,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:20,612 INFO L470 AbstractCegarLoop]: Abstraction has 2563 states and 4931 transitions. [2021-10-19 14:26:20,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:20,612 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 4931 transitions. [2021-10-19 14:26:20,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:26:20,613 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:20,613 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:26:20,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-10-19 14:26:20,613 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:20,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:20,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1804755756, now seen corresponding path program 27 times [2021-10-19 14:26:20,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:20,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21404591] [2021-10-19 14:26:20,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:20,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:20,839 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 14:26:20,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:20,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21404591] [2021-10-19 14:26:20,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21404591] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:20,839 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:20,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:20,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408874807] [2021-10-19 14:26:20,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:20,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:20,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:20,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:20,840 INFO L87 Difference]: Start difference. First operand 2563 states and 4931 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:22,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:22,518 INFO L93 Difference]: Finished difference Result 3645 states and 7055 transitions. [2021-10-19 14:26:22,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-19 14:26:22,518 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:26:22,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:22,522 INFO L225 Difference]: With dead ends: 3645 [2021-10-19 14:26:22,522 INFO L226 Difference]: Without dead ends: 3645 [2021-10-19 14:26:22,523 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1100 ImplicationChecksByTransitivity, 749.9ms TimeCoverageRelationStatistics Valid=555, Invalid=3477, Unknown=0, NotChecked=0, Total=4032 [2021-10-19 14:26:22,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3645 states. [2021-10-19 14:26:22,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3645 to 2565. [2021-10-19 14:26:22,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2565 states, 2553 states have (on average 1.9330199764982374) internal successors, (4935), 2564 states have internal predecessors, (4935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:22,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 4935 transitions. [2021-10-19 14:26:22,544 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 4935 transitions. Word has length 123 [2021-10-19 14:26:22,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:22,544 INFO L470 AbstractCegarLoop]: Abstraction has 2565 states and 4935 transitions. [2021-10-19 14:26:22,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:22,544 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 4935 transitions. [2021-10-19 14:26:22,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:26:22,545 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:22,545 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:26:22,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-10-19 14:26:22,545 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:22,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:22,546 INFO L82 PathProgramCache]: Analyzing trace with hash -393126734, now seen corresponding path program 28 times [2021-10-19 14:26:22,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:22,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801067084] [2021-10-19 14:26:22,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:22,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:22,770 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 14:26:22,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:22,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801067084] [2021-10-19 14:26:22,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801067084] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:22,770 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:22,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:22,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679257984] [2021-10-19 14:26:22,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:22,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:22,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:22,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:22,771 INFO L87 Difference]: Start difference. First operand 2565 states and 4935 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:24,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:24,468 INFO L93 Difference]: Finished difference Result 3613 states and 6993 transitions. [2021-10-19 14:26:24,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:26:24,468 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:26:24,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:24,472 INFO L225 Difference]: With dead ends: 3613 [2021-10-19 14:26:24,472 INFO L226 Difference]: Without dead ends: 3613 [2021-10-19 14:26:24,472 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1100 ImplicationChecksByTransitivity, 712.5ms TimeCoverageRelationStatistics Valid=563, Invalid=3469, Unknown=0, NotChecked=0, Total=4032 [2021-10-19 14:26:24,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3613 states. [2021-10-19 14:26:24,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3613 to 2567. [2021-10-19 14:26:24,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2567 states, 2555 states have (on average 1.9330724070450098) internal successors, (4939), 2566 states have internal predecessors, (4939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:24,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2567 states and 4939 transitions. [2021-10-19 14:26:24,495 INFO L78 Accepts]: Start accepts. Automaton has 2567 states and 4939 transitions. Word has length 123 [2021-10-19 14:26:24,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:24,495 INFO L470 AbstractCegarLoop]: Abstraction has 2567 states and 4939 transitions. [2021-10-19 14:26:24,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:24,495 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 4939 transitions. [2021-10-19 14:26:24,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:26:24,496 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:24,496 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:26:24,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-10-19 14:26:24,496 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:24,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:24,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1638206474, now seen corresponding path program 29 times [2021-10-19 14:26:24,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:24,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593692943] [2021-10-19 14:26:24,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:24,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:24,730 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 14:26:24,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:24,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593692943] [2021-10-19 14:26:24,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593692943] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:24,730 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:24,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:24,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969712049] [2021-10-19 14:26:24,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:24,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:24,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:24,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:24,731 INFO L87 Difference]: Start difference. First operand 2567 states and 4939 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:26,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:26,386 INFO L93 Difference]: Finished difference Result 3559 states and 6889 transitions. [2021-10-19 14:26:26,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-19 14:26:26,386 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:26:26,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:26,390 INFO L225 Difference]: With dead ends: 3559 [2021-10-19 14:26:26,390 INFO L226 Difference]: Without dead ends: 3559 [2021-10-19 14:26:26,390 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1099 ImplicationChecksByTransitivity, 723.6ms TimeCoverageRelationStatistics Valid=579, Invalid=3453, Unknown=0, NotChecked=0, Total=4032 [2021-10-19 14:26:26,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3559 states. [2021-10-19 14:26:26,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3559 to 2551. [2021-10-19 14:26:26,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2551 states, 2539 states have (on average 1.9326506498621505) internal successors, (4907), 2550 states have internal predecessors, (4907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:26,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2551 states and 4907 transitions. [2021-10-19 14:26:26,412 INFO L78 Accepts]: Start accepts. Automaton has 2551 states and 4907 transitions. Word has length 123 [2021-10-19 14:26:26,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:26,412 INFO L470 AbstractCegarLoop]: Abstraction has 2551 states and 4907 transitions. [2021-10-19 14:26:26,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:26,412 INFO L276 IsEmpty]: Start isEmpty. Operand 2551 states and 4907 transitions. [2021-10-19 14:26:26,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:26:26,413 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:26,413 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:26:26,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-10-19 14:26:26,413 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:26,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:26,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1987102148, now seen corresponding path program 30 times [2021-10-19 14:26:26,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:26,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020841945] [2021-10-19 14:26:26,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:26,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:26,789 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 14:26:26,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:26,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020841945] [2021-10-19 14:26:26,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020841945] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:26,789 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:26,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:26:26,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930965614] [2021-10-19 14:26:26,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:26:26,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:26,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:26:26,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:26:26,790 INFO L87 Difference]: Start difference. First operand 2551 states and 4907 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:29,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:29,042 INFO L93 Difference]: Finished difference Result 4387 states and 8504 transitions. [2021-10-19 14:26:29,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:26:29,042 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:26:29,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:29,047 INFO L225 Difference]: With dead ends: 4387 [2021-10-19 14:26:29,047 INFO L226 Difference]: Without dead ends: 4387 [2021-10-19 14:26:29,047 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1261 ImplicationChecksByTransitivity, 1021.0ms TimeCoverageRelationStatistics Valid=733, Invalid=3823, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:26:29,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4387 states. [2021-10-19 14:26:29,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4387 to 2545. [2021-10-19 14:26:29,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2545 states, 2533 states have (on average 1.93249111725227) internal successors, (4895), 2544 states have internal predecessors, (4895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:29,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2545 states and 4895 transitions. [2021-10-19 14:26:29,073 INFO L78 Accepts]: Start accepts. Automaton has 2545 states and 4895 transitions. Word has length 123 [2021-10-19 14:26:29,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:29,073 INFO L470 AbstractCegarLoop]: Abstraction has 2545 states and 4895 transitions. [2021-10-19 14:26:29,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:29,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 4895 transitions. [2021-10-19 14:26:29,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:26:29,074 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:29,075 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:26:29,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-10-19 14:26:29,075 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:29,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:29,075 INFO L82 PathProgramCache]: Analyzing trace with hash 431532298, now seen corresponding path program 31 times [2021-10-19 14:26:29,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:29,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165638464] [2021-10-19 14:26:29,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:29,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:29,403 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 14:26:29,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:29,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165638464] [2021-10-19 14:26:29,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165638464] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:29,403 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:29,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:26:29,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160512150] [2021-10-19 14:26:29,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:26:29,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:29,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:26:29,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:26:29,404 INFO L87 Difference]: Start difference. First operand 2545 states and 4895 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:31,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:31,588 INFO L93 Difference]: Finished difference Result 4417 states and 8562 transitions. [2021-10-19 14:26:31,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:26:31,588 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:26:31,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:31,592 INFO L225 Difference]: With dead ends: 4417 [2021-10-19 14:26:31,592 INFO L226 Difference]: Without dead ends: 4417 [2021-10-19 14:26:31,592 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1465 ImplicationChecksByTransitivity, 1132.1ms TimeCoverageRelationStatistics Valid=792, Invalid=4320, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:26:31,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4417 states. [2021-10-19 14:26:31,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4417 to 2539. [2021-10-19 14:26:31,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2539 states, 2527 states have (on average 1.9323308270676691) internal successors, (4883), 2538 states have internal predecessors, (4883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:31,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2539 states to 2539 states and 4883 transitions. [2021-10-19 14:26:31,615 INFO L78 Accepts]: Start accepts. Automaton has 2539 states and 4883 transitions. Word has length 123 [2021-10-19 14:26:31,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:31,615 INFO L470 AbstractCegarLoop]: Abstraction has 2539 states and 4883 transitions. [2021-10-19 14:26:31,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:31,615 INFO L276 IsEmpty]: Start isEmpty. Operand 2539 states and 4883 transitions. [2021-10-19 14:26:31,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:26:31,616 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:31,616 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:26:31,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-10-19 14:26:31,616 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:31,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:31,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1310738906, now seen corresponding path program 32 times [2021-10-19 14:26:31,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:31,617 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360123120] [2021-10-19 14:26:31,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:31,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:32,046 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 14:26:32,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:32,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360123120] [2021-10-19 14:26:32,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360123120] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:32,046 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:32,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:26:32,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526535633] [2021-10-19 14:26:32,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:26:32,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:32,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:26:32,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:26:32,047 INFO L87 Difference]: Start difference. First operand 2539 states and 4883 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:34,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:34,561 INFO L93 Difference]: Finished difference Result 4470 states and 8664 transitions. [2021-10-19 14:26:34,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-19 14:26:34,562 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:26:34,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:34,566 INFO L225 Difference]: With dead ends: 4470 [2021-10-19 14:26:34,566 INFO L226 Difference]: Without dead ends: 4470 [2021-10-19 14:26:34,567 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1573 ImplicationChecksByTransitivity, 1510.6ms TimeCoverageRelationStatistics Valid=802, Invalid=4600, Unknown=0, NotChecked=0, Total=5402 [2021-10-19 14:26:34,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4470 states. [2021-10-19 14:26:34,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4470 to 2533. [2021-10-19 14:26:34,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2533 states, 2521 states have (on average 1.9321697738992463) internal successors, (4871), 2532 states have internal predecessors, (4871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:34,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2533 states to 2533 states and 4871 transitions. [2021-10-19 14:26:34,598 INFO L78 Accepts]: Start accepts. Automaton has 2533 states and 4871 transitions. Word has length 123 [2021-10-19 14:26:34,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:34,598 INFO L470 AbstractCegarLoop]: Abstraction has 2533 states and 4871 transitions. [2021-10-19 14:26:34,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:34,598 INFO L276 IsEmpty]: Start isEmpty. Operand 2533 states and 4871 transitions. [2021-10-19 14:26:34,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:26:34,599 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:34,599 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:26:34,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-10-19 14:26:34,599 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:34,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:34,600 INFO L82 PathProgramCache]: Analyzing trace with hash -743421716, now seen corresponding path program 33 times [2021-10-19 14:26:34,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:34,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315631436] [2021-10-19 14:26:34,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:34,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:34,886 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 14:26:34,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:34,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315631436] [2021-10-19 14:26:34,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315631436] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:34,887 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:34,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:26:34,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917130986] [2021-10-19 14:26:34,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:26:34,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:34,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:26:34,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:26:34,896 INFO L87 Difference]: Start difference. First operand 2533 states and 4871 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:37,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:37,103 INFO L93 Difference]: Finished difference Result 4484 states and 8685 transitions. [2021-10-19 14:26:37,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-19 14:26:37,103 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:26:37,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:37,108 INFO L225 Difference]: With dead ends: 4484 [2021-10-19 14:26:37,108 INFO L226 Difference]: Without dead ends: 4484 [2021-10-19 14:26:37,109 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1687 ImplicationChecksByTransitivity, 1198.0ms TimeCoverageRelationStatistics Valid=829, Invalid=4871, Unknown=0, NotChecked=0, Total=5700 [2021-10-19 14:26:37,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4484 states. [2021-10-19 14:26:37,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4484 to 2471. [2021-10-19 14:26:37,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2471 states, 2459 states have (on average 1.928832858885726) internal successors, (4743), 2470 states have internal predecessors, (4743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:37,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2471 states to 2471 states and 4743 transitions. [2021-10-19 14:26:37,135 INFO L78 Accepts]: Start accepts. Automaton has 2471 states and 4743 transitions. Word has length 123 [2021-10-19 14:26:37,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:37,135 INFO L470 AbstractCegarLoop]: Abstraction has 2471 states and 4743 transitions. [2021-10-19 14:26:37,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:37,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2471 states and 4743 transitions. [2021-10-19 14:26:37,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:26:37,136 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:37,136 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:26:37,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-10-19 14:26:37,136 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:37,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:37,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1911881768, now seen corresponding path program 14 times [2021-10-19 14:26:37,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:37,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143133486] [2021-10-19 14:26:37,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:37,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:37,391 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 14:26:37,391 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:37,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143133486] [2021-10-19 14:26:37,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143133486] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:37,392 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:37,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:37,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848095800] [2021-10-19 14:26:37,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:37,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:37,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:37,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:37,392 INFO L87 Difference]: Start difference. First operand 2471 states and 4743 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:39,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:39,775 INFO L93 Difference]: Finished difference Result 5551 states and 10631 transitions. [2021-10-19 14:26:39,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-19 14:26:39,776 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:26:39,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:39,782 INFO L225 Difference]: With dead ends: 5551 [2021-10-19 14:26:39,782 INFO L226 Difference]: Without dead ends: 5531 [2021-10-19 14:26:39,782 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1646 ImplicationChecksByTransitivity, 891.9ms TimeCoverageRelationStatistics Valid=839, Invalid=4861, Unknown=0, NotChecked=0, Total=5700 [2021-10-19 14:26:39,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5531 states. [2021-10-19 14:26:39,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5531 to 3078. [2021-10-19 14:26:39,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3078 states, 3066 states have (on average 1.9543378995433789) internal successors, (5992), 3077 states have internal predecessors, (5992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:39,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3078 states to 3078 states and 5992 transitions. [2021-10-19 14:26:39,837 INFO L78 Accepts]: Start accepts. Automaton has 3078 states and 5992 transitions. Word has length 123 [2021-10-19 14:26:39,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:39,838 INFO L470 AbstractCegarLoop]: Abstraction has 3078 states and 5992 transitions. [2021-10-19 14:26:39,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:39,838 INFO L276 IsEmpty]: Start isEmpty. Operand 3078 states and 5992 transitions. [2021-10-19 14:26:39,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:26:39,840 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:39,840 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:26:39,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-10-19 14:26:39,840 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:39,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:39,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1477449650, now seen corresponding path program 15 times [2021-10-19 14:26:39,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:39,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498008172] [2021-10-19 14:26:39,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:39,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:40,077 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 14:26:40,078 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:40,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498008172] [2021-10-19 14:26:40,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498008172] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:40,078 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:40,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:40,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341802983] [2021-10-19 14:26:40,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:40,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:40,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:40,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:40,079 INFO L87 Difference]: Start difference. First operand 3078 states and 5992 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:42,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:42,985 INFO L93 Difference]: Finished difference Result 5589 states and 10712 transitions. [2021-10-19 14:26:42,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-19 14:26:42,985 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:26:42,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:42,991 INFO L225 Difference]: With dead ends: 5589 [2021-10-19 14:26:42,991 INFO L226 Difference]: Without dead ends: 5589 [2021-10-19 14:26:42,992 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1946 ImplicationChecksByTransitivity, 1190.0ms TimeCoverageRelationStatistics Valid=933, Invalid=5547, Unknown=0, NotChecked=0, Total=6480 [2021-10-19 14:26:42,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5589 states. [2021-10-19 14:26:43,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5589 to 3080. [2021-10-19 14:26:43,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3080 states, 3068 states have (on average 1.954367666232073) internal successors, (5996), 3079 states have internal predecessors, (5996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:43,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3080 states to 3080 states and 5996 transitions. [2021-10-19 14:26:43,026 INFO L78 Accepts]: Start accepts. Automaton has 3080 states and 5996 transitions. Word has length 123 [2021-10-19 14:26:43,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:43,026 INFO L470 AbstractCegarLoop]: Abstraction has 3080 states and 5996 transitions. [2021-10-19 14:26:43,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:43,026 INFO L276 IsEmpty]: Start isEmpty. Operand 3080 states and 5996 transitions. [2021-10-19 14:26:43,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:26:43,028 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:43,028 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:26:43,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-10-19 14:26:43,028 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:43,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:43,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1384342382, now seen corresponding path program 16 times [2021-10-19 14:26:43,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:43,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116660779] [2021-10-19 14:26:43,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:43,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:43,271 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 14:26:43,271 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:43,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116660779] [2021-10-19 14:26:43,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116660779] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:43,271 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:43,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:43,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284332499] [2021-10-19 14:26:43,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:43,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:43,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:43,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:43,272 INFO L87 Difference]: Start difference. First operand 3080 states and 5996 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:46,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:46,154 INFO L93 Difference]: Finished difference Result 5671 states and 10870 transitions. [2021-10-19 14:26:46,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-10-19 14:26:46,155 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:26:46,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:46,160 INFO L225 Difference]: With dead ends: 5671 [2021-10-19 14:26:46,160 INFO L226 Difference]: Without dead ends: 5671 [2021-10-19 14:26:46,160 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1884 ImplicationChecksByTransitivity, 1130.6ms TimeCoverageRelationStatistics Valid=910, Invalid=5410, Unknown=0, NotChecked=0, Total=6320 [2021-10-19 14:26:46,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5671 states. [2021-10-19 14:26:46,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5671 to 3092. [2021-10-19 14:26:46,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3092 states, 3080 states have (on average 1.9548701298701299) internal successors, (6021), 3091 states have internal predecessors, (6021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:46,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3092 states to 3092 states and 6021 transitions. [2021-10-19 14:26:46,190 INFO L78 Accepts]: Start accepts. Automaton has 3092 states and 6021 transitions. Word has length 123 [2021-10-19 14:26:46,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:46,190 INFO L470 AbstractCegarLoop]: Abstraction has 3092 states and 6021 transitions. [2021-10-19 14:26:46,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:46,190 INFO L276 IsEmpty]: Start isEmpty. Operand 3092 states and 6021 transitions. [2021-10-19 14:26:46,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:26:46,191 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:46,191 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:26:46,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-10-19 14:26:46,191 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:46,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:46,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1760186922, now seen corresponding path program 17 times [2021-10-19 14:26:46,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:46,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785342472] [2021-10-19 14:26:46,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:46,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:46,427 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 14:26:46,428 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:46,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785342472] [2021-10-19 14:26:46,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785342472] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:46,428 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:46,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:46,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592724464] [2021-10-19 14:26:46,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:46,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:46,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:46,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:46,429 INFO L87 Difference]: Start difference. First operand 3092 states and 6021 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:48,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:48,809 INFO L93 Difference]: Finished difference Result 5580 states and 10694 transitions. [2021-10-19 14:26:48,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-10-19 14:26:48,809 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:26:48,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:48,815 INFO L225 Difference]: With dead ends: 5580 [2021-10-19 14:26:48,815 INFO L226 Difference]: Without dead ends: 5580 [2021-10-19 14:26:48,816 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1900 ImplicationChecksByTransitivity, 1161.6ms TimeCoverageRelationStatistics Valid=890, Invalid=5430, Unknown=0, NotChecked=0, Total=6320 [2021-10-19 14:26:48,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5580 states. [2021-10-19 14:26:48,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5580 to 3096. [2021-10-19 14:26:48,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3096 states, 3084 states have (on average 1.9549286640726329) internal successors, (6029), 3095 states have internal predecessors, (6029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:48,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3096 states to 3096 states and 6029 transitions. [2021-10-19 14:26:48,848 INFO L78 Accepts]: Start accepts. Automaton has 3096 states and 6029 transitions. Word has length 123 [2021-10-19 14:26:48,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:48,848 INFO L470 AbstractCegarLoop]: Abstraction has 3096 states and 6029 transitions. [2021-10-19 14:26:48,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:48,848 INFO L276 IsEmpty]: Start isEmpty. Operand 3096 states and 6029 transitions. [2021-10-19 14:26:48,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:26:48,849 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:48,849 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:26:48,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-10-19 14:26:48,849 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:48,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:48,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1853294190, now seen corresponding path program 18 times [2021-10-19 14:26:48,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:48,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701158418] [2021-10-19 14:26:48,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:48,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:49,143 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 14:26:49,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:49,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701158418] [2021-10-19 14:26:49,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701158418] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:49,144 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:49,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:49,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238902990] [2021-10-19 14:26:49,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:49,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:49,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:49,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:49,144 INFO L87 Difference]: Start difference. First operand 3096 states and 6029 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:52,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:52,052 INFO L93 Difference]: Finished difference Result 5738 states and 11000 transitions. [2021-10-19 14:26:52,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-10-19 14:26:52,052 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:26:52,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:52,058 INFO L225 Difference]: With dead ends: 5738 [2021-10-19 14:26:52,059 INFO L226 Difference]: Without dead ends: 5738 [2021-10-19 14:26:52,059 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2020 ImplicationChecksByTransitivity, 1286.4ms TimeCoverageRelationStatistics Valid=926, Invalid=5716, Unknown=0, NotChecked=0, Total=6642 [2021-10-19 14:26:52,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5738 states. [2021-10-19 14:26:52,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5738 to 3094. [2021-10-19 14:26:52,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3094 states, 3082 states have (on average 1.95489941596366) internal successors, (6025), 3093 states have internal predecessors, (6025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:52,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3094 states to 3094 states and 6025 transitions. [2021-10-19 14:26:52,092 INFO L78 Accepts]: Start accepts. Automaton has 3094 states and 6025 transitions. Word has length 123 [2021-10-19 14:26:52,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:52,093 INFO L470 AbstractCegarLoop]: Abstraction has 3094 states and 6025 transitions. [2021-10-19 14:26:52,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:52,093 INFO L276 IsEmpty]: Start isEmpty. Operand 3094 states and 6025 transitions. [2021-10-19 14:26:52,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:26:52,094 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:52,094 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:26:52,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-10-19 14:26:52,094 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:52,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:52,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1763408470, now seen corresponding path program 19 times [2021-10-19 14:26:52,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:52,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364172945] [2021-10-19 14:26:52,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:52,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:52,300 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 14:26:52,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:52,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364172945] [2021-10-19 14:26:52,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364172945] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:52,300 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:52,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:52,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939619150] [2021-10-19 14:26:52,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:52,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:52,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:52,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:52,301 INFO L87 Difference]: Start difference. First operand 3094 states and 6025 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:55,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:55,153 INFO L93 Difference]: Finished difference Result 5761 states and 11050 transitions. [2021-10-19 14:26:55,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-10-19 14:26:55,154 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:26:55,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:55,159 INFO L225 Difference]: With dead ends: 5761 [2021-10-19 14:26:55,159 INFO L226 Difference]: Without dead ends: 5761 [2021-10-19 14:26:55,159 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2015 ImplicationChecksByTransitivity, 1002.6ms TimeCoverageRelationStatistics Valid=1017, Invalid=5789, Unknown=0, NotChecked=0, Total=6806 [2021-10-19 14:26:55,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5761 states. [2021-10-19 14:26:55,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5761 to 3106. [2021-10-19 14:26:55,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3106 states, 3094 states have (on average 1.9553975436328377) internal successors, (6050), 3105 states have internal predecessors, (6050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:55,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 3106 states and 6050 transitions. [2021-10-19 14:26:55,189 INFO L78 Accepts]: Start accepts. Automaton has 3106 states and 6050 transitions. Word has length 123 [2021-10-19 14:26:55,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:55,189 INFO L470 AbstractCegarLoop]: Abstraction has 3106 states and 6050 transitions. [2021-10-19 14:26:55,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:55,189 INFO L276 IsEmpty]: Start isEmpty. Operand 3106 states and 6050 transitions. [2021-10-19 14:26:55,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:26:55,191 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:55,191 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:26:55,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-10-19 14:26:55,191 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:55,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:55,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1377241660, now seen corresponding path program 20 times [2021-10-19 14:26:55,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:55,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521676457] [2021-10-19 14:26:55,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:55,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:55,408 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 14:26:55,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:55,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521676457] [2021-10-19 14:26:55,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521676457] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:55,412 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:55,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:55,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643114163] [2021-10-19 14:26:55,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:55,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:55,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:55,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:55,413 INFO L87 Difference]: Start difference. First operand 3106 states and 6050 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:57,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:57,453 INFO L93 Difference]: Finished difference Result 5601 states and 10736 transitions. [2021-10-19 14:26:57,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-10-19 14:26:57,453 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:26:57,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:57,458 INFO L225 Difference]: With dead ends: 5601 [2021-10-19 14:26:57,459 INFO L226 Difference]: Without dead ends: 5601 [2021-10-19 14:26:57,459 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1854 ImplicationChecksByTransitivity, 1071.0ms TimeCoverageRelationStatistics Valid=853, Invalid=5309, Unknown=0, NotChecked=0, Total=6162 [2021-10-19 14:26:57,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5601 states. [2021-10-19 14:26:57,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5601 to 3112. [2021-10-19 14:26:57,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3112 states, 3100 states have (on average 1.955483870967742) internal successors, (6062), 3111 states have internal predecessors, (6062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:57,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3112 states to 3112 states and 6062 transitions. [2021-10-19 14:26:57,489 INFO L78 Accepts]: Start accepts. Automaton has 3112 states and 6062 transitions. Word has length 123 [2021-10-19 14:26:57,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:57,489 INFO L470 AbstractCegarLoop]: Abstraction has 3112 states and 6062 transitions. [2021-10-19 14:26:57,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:57,489 INFO L276 IsEmpty]: Start isEmpty. Operand 3112 states and 6062 transitions. [2021-10-19 14:26:57,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:26:57,490 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:57,490 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:26:57,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-10-19 14:26:57,491 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:57,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:57,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1284134392, now seen corresponding path program 21 times [2021-10-19 14:26:57,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:57,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692478247] [2021-10-19 14:26:57,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:57,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:57,722 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 14:26:57,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:57,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692478247] [2021-10-19 14:26:57,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692478247] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:57,723 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:57,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:57,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234165210] [2021-10-19 14:26:57,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:57,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:57,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:57,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:57,723 INFO L87 Difference]: Start difference. First operand 3112 states and 6062 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:00,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:00,070 INFO L93 Difference]: Finished difference Result 5759 states and 11042 transitions. [2021-10-19 14:27:00,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-19 14:27:00,070 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:27:00,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:00,075 INFO L225 Difference]: With dead ends: 5759 [2021-10-19 14:27:00,075 INFO L226 Difference]: Without dead ends: 5759 [2021-10-19 14:27:00,075 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1973 ImplicationChecksByTransitivity, 1170.5ms TimeCoverageRelationStatistics Valid=888, Invalid=5592, Unknown=0, NotChecked=0, Total=6480 [2021-10-19 14:27:00,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5759 states. [2021-10-19 14:27:00,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5759 to 3110. [2021-10-19 14:27:00,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3110 states, 3098 states have (on average 1.9554551323434475) internal successors, (6058), 3109 states have internal predecessors, (6058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:00,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3110 states to 3110 states and 6058 transitions. [2021-10-19 14:27:00,105 INFO L78 Accepts]: Start accepts. Automaton has 3110 states and 6058 transitions. Word has length 123 [2021-10-19 14:27:00,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:00,106 INFO L470 AbstractCegarLoop]: Abstraction has 3110 states and 6058 transitions. [2021-10-19 14:27:00,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:00,106 INFO L276 IsEmpty]: Start isEmpty. Operand 3110 states and 6058 transitions. [2021-10-19 14:27:00,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:27:00,107 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:00,107 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:00,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-10-19 14:27:00,107 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:00,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:00,107 INFO L82 PathProgramCache]: Analyzing trace with hash -605869756, now seen corresponding path program 22 times [2021-10-19 14:27:00,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:00,108 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948980775] [2021-10-19 14:27:00,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:00,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:00,327 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 14:27:00,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:00,327 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948980775] [2021-10-19 14:27:00,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948980775] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:00,327 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:00,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:00,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163920557] [2021-10-19 14:27:00,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:00,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:00,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:00,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:00,328 INFO L87 Difference]: Start difference. First operand 3110 states and 6058 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:03,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:03,447 INFO L93 Difference]: Finished difference Result 5857 states and 11238 transitions. [2021-10-19 14:27:03,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-19 14:27:03,448 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:27:03,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:03,454 INFO L225 Difference]: With dead ends: 5857 [2021-10-19 14:27:03,454 INFO L226 Difference]: Without dead ends: 5857 [2021-10-19 14:27:03,455 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2413 ImplicationChecksByTransitivity, 1311.8ms TimeCoverageRelationStatistics Valid=1132, Invalid=6700, Unknown=0, NotChecked=0, Total=7832 [2021-10-19 14:27:03,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5857 states. [2021-10-19 14:27:03,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5857 to 3108. [2021-10-19 14:27:03,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3108 states, 3096 states have (on average 1.9554263565891472) internal successors, (6054), 3107 states have internal predecessors, (6054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:03,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3108 states to 3108 states and 6054 transitions. [2021-10-19 14:27:03,498 INFO L78 Accepts]: Start accepts. Automaton has 3108 states and 6054 transitions. Word has length 123 [2021-10-19 14:27:03,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:03,499 INFO L470 AbstractCegarLoop]: Abstraction has 3108 states and 6054 transitions. [2021-10-19 14:27:03,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:03,499 INFO L276 IsEmpty]: Start isEmpty. Operand 3108 states and 6054 transitions. [2021-10-19 14:27:03,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:27:03,500 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:03,500 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:03,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-10-19 14:27:03,500 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:03,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:03,501 INFO L82 PathProgramCache]: Analyzing trace with hash 159838950, now seen corresponding path program 23 times [2021-10-19 14:27:03,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:03,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893050164] [2021-10-19 14:27:03,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:03,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:03,698 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 14:27:03,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:03,698 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893050164] [2021-10-19 14:27:03,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893050164] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:03,698 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:03,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:03,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507825979] [2021-10-19 14:27:03,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:03,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:03,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:03,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:03,699 INFO L87 Difference]: Start difference. First operand 3108 states and 6054 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:06,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:06,864 INFO L93 Difference]: Finished difference Result 5851 states and 11230 transitions. [2021-10-19 14:27:06,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-10-19 14:27:06,865 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:27:06,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:06,871 INFO L225 Difference]: With dead ends: 5851 [2021-10-19 14:27:06,871 INFO L226 Difference]: Without dead ends: 5851 [2021-10-19 14:27:06,871 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2216 ImplicationChecksByTransitivity, 1237.7ms TimeCoverageRelationStatistics Valid=1053, Invalid=6257, Unknown=0, NotChecked=0, Total=7310 [2021-10-19 14:27:06,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5851 states. [2021-10-19 14:27:06,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5851 to 3120. [2021-10-19 14:27:06,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3120 states, 3108 states have (on average 1.9559202059202059) internal successors, (6079), 3119 states have internal predecessors, (6079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:06,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3120 states to 3120 states and 6079 transitions. [2021-10-19 14:27:06,906 INFO L78 Accepts]: Start accepts. Automaton has 3120 states and 6079 transitions. Word has length 123 [2021-10-19 14:27:06,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:06,907 INFO L470 AbstractCegarLoop]: Abstraction has 3120 states and 6079 transitions. [2021-10-19 14:27:06,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:06,907 INFO L276 IsEmpty]: Start isEmpty. Operand 3120 states and 6079 transitions. [2021-10-19 14:27:06,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:27:06,908 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:06,908 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:06,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-10-19 14:27:06,908 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:06,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:06,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1202390728, now seen corresponding path program 24 times [2021-10-19 14:27:06,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:06,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975243816] [2021-10-19 14:27:06,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:06,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:07,135 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 14:27:07,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:07,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975243816] [2021-10-19 14:27:07,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975243816] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:07,135 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:07,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:07,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819847048] [2021-10-19 14:27:07,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:07,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:07,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:07,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:07,136 INFO L87 Difference]: Start difference. First operand 3120 states and 6079 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:09,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:09,656 INFO L93 Difference]: Finished difference Result 6731 states and 12865 transitions. [2021-10-19 14:27:09,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-19 14:27:09,657 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:27:09,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:09,663 INFO L225 Difference]: With dead ends: 6731 [2021-10-19 14:27:09,663 INFO L226 Difference]: Without dead ends: 6731 [2021-10-19 14:27:09,663 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2008 ImplicationChecksByTransitivity, 896.2ms TimeCoverageRelationStatistics Valid=873, Invalid=5607, Unknown=0, NotChecked=0, Total=6480 [2021-10-19 14:27:09,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6731 states. [2021-10-19 14:27:09,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6731 to 3126. [2021-10-19 14:27:09,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3126 states, 3114 states have (on average 1.956005138086063) internal successors, (6091), 3125 states have internal predecessors, (6091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:09,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3126 states to 3126 states and 6091 transitions. [2021-10-19 14:27:09,695 INFO L78 Accepts]: Start accepts. Automaton has 3126 states and 6091 transitions. Word has length 123 [2021-10-19 14:27:09,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:09,695 INFO L470 AbstractCegarLoop]: Abstraction has 3126 states and 6091 transitions. [2021-10-19 14:27:09,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:09,695 INFO L276 IsEmpty]: Start isEmpty. Operand 3126 states and 6091 transitions. [2021-10-19 14:27:09,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:27:09,697 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:09,697 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:09,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-10-19 14:27:09,697 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:09,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:09,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1109283460, now seen corresponding path program 25 times [2021-10-19 14:27:09,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:09,697 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042884163] [2021-10-19 14:27:09,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:09,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:09,954 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 14:27:09,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:09,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042884163] [2021-10-19 14:27:09,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042884163] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:09,954 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:09,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:09,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908541743] [2021-10-19 14:27:09,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:09,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:09,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:09,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:09,955 INFO L87 Difference]: Start difference. First operand 3126 states and 6091 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:12,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:12,752 INFO L93 Difference]: Finished difference Result 6889 states and 13171 transitions. [2021-10-19 14:27:12,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-10-19 14:27:12,753 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:27:12,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:12,760 INFO L225 Difference]: With dead ends: 6889 [2021-10-19 14:27:12,760 INFO L226 Difference]: Without dead ends: 6889 [2021-10-19 14:27:12,761 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2134 ImplicationChecksByTransitivity, 1105.3ms TimeCoverageRelationStatistics Valid=909, Invalid=5897, Unknown=0, NotChecked=0, Total=6806 [2021-10-19 14:27:12,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6889 states. [2021-10-19 14:27:12,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6889 to 3124. [2021-10-19 14:27:12,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3124 states, 3112 states have (on average 1.9559768637532133) internal successors, (6087), 3123 states have internal predecessors, (6087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:12,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3124 states to 3124 states and 6087 transitions. [2021-10-19 14:27:12,803 INFO L78 Accepts]: Start accepts. Automaton has 3124 states and 6087 transitions. Word has length 123 [2021-10-19 14:27:12,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:12,803 INFO L470 AbstractCegarLoop]: Abstraction has 3124 states and 6087 transitions. [2021-10-19 14:27:12,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:12,803 INFO L276 IsEmpty]: Start isEmpty. Operand 3124 states and 6087 transitions. [2021-10-19 14:27:12,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:27:12,805 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:12,805 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:12,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-10-19 14:27:12,805 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:12,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:12,805 INFO L82 PathProgramCache]: Analyzing trace with hash -431018824, now seen corresponding path program 26 times [2021-10-19 14:27:12,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:12,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87612219] [2021-10-19 14:27:12,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:12,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:13,016 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 14:27:13,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:13,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87612219] [2021-10-19 14:27:13,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87612219] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:13,016 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:13,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:13,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106232278] [2021-10-19 14:27:13,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:13,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:13,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:13,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:13,017 INFO L87 Difference]: Start difference. First operand 3124 states and 6087 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:15,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:15,843 INFO L93 Difference]: Finished difference Result 6977 states and 13347 transitions. [2021-10-19 14:27:15,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-10-19 14:27:15,843 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:27:15,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:15,851 INFO L225 Difference]: With dead ends: 6977 [2021-10-19 14:27:15,851 INFO L226 Difference]: Without dead ends: 6977 [2021-10-19 14:27:15,851 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2213 ImplicationChecksByTransitivity, 1001.8ms TimeCoverageRelationStatistics Valid=1003, Invalid=6137, Unknown=0, NotChecked=0, Total=7140 [2021-10-19 14:27:15,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6977 states. [2021-10-19 14:27:15,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6977 to 3122. [2021-10-19 14:27:15,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3122 states, 3110 states have (on average 1.9559485530546623) internal successors, (6083), 3121 states have internal predecessors, (6083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:15,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3122 states to 3122 states and 6083 transitions. [2021-10-19 14:27:15,885 INFO L78 Accepts]: Start accepts. Automaton has 3122 states and 6083 transitions. Word has length 123 [2021-10-19 14:27:15,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:15,886 INFO L470 AbstractCegarLoop]: Abstraction has 3122 states and 6083 transitions. [2021-10-19 14:27:15,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:15,886 INFO L276 IsEmpty]: Start isEmpty. Operand 3122 states and 6083 transitions. [2021-10-19 14:27:15,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:27:15,887 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:15,887 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:15,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-10-19 14:27:15,887 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:15,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:15,887 INFO L82 PathProgramCache]: Analyzing trace with hash 334689882, now seen corresponding path program 27 times [2021-10-19 14:27:15,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:15,888 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17818660] [2021-10-19 14:27:15,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:15,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:16,085 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 14:27:16,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:16,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17818660] [2021-10-19 14:27:16,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17818660] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:16,086 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:16,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:16,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56431244] [2021-10-19 14:27:16,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:16,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:16,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:16,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:16,087 INFO L87 Difference]: Start difference. First operand 3122 states and 6083 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:18,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:18,992 INFO L93 Difference]: Finished difference Result 7065 states and 13523 transitions. [2021-10-19 14:27:18,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-19 14:27:18,992 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:27:18,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:19,000 INFO L225 Difference]: With dead ends: 7065 [2021-10-19 14:27:19,000 INFO L226 Difference]: Without dead ends: 7065 [2021-10-19 14:27:19,000 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2354 ImplicationChecksByTransitivity, 1131.9ms TimeCoverageRelationStatistics Valid=1033, Invalid=6449, Unknown=0, NotChecked=0, Total=7482 [2021-10-19 14:27:19,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7065 states. [2021-10-19 14:27:19,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7065 to 3120. [2021-10-19 14:27:19,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3120 states, 3108 states have (on average 1.9559202059202059) internal successors, (6079), 3119 states have internal predecessors, (6079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:19,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3120 states to 3120 states and 6079 transitions. [2021-10-19 14:27:19,034 INFO L78 Accepts]: Start accepts. Automaton has 3120 states and 6079 transitions. Word has length 123 [2021-10-19 14:27:19,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:19,034 INFO L470 AbstractCegarLoop]: Abstraction has 3120 states and 6079 transitions. [2021-10-19 14:27:19,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:19,034 INFO L276 IsEmpty]: Start isEmpty. Operand 3120 states and 6079 transitions. [2021-10-19 14:27:19,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:27:19,035 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:19,035 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:19,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-10-19 14:27:19,035 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:19,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:19,036 INFO L82 PathProgramCache]: Analyzing trace with hash 416849982, now seen corresponding path program 34 times [2021-10-19 14:27:19,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:19,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444648439] [2021-10-19 14:27:19,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:19,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:19,241 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 14:27:19,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:19,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444648439] [2021-10-19 14:27:19,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444648439] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:19,241 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:19,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:19,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730384813] [2021-10-19 14:27:19,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:19,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:19,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:19,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:19,242 INFO L87 Difference]: Start difference. First operand 3120 states and 6079 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:21,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:21,135 INFO L93 Difference]: Finished difference Result 5162 states and 9936 transitions. [2021-10-19 14:27:21,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-10-19 14:27:21,135 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:27:21,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:21,141 INFO L225 Difference]: With dead ends: 5162 [2021-10-19 14:27:21,141 INFO L226 Difference]: Without dead ends: 5162 [2021-10-19 14:27:21,141 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1873 ImplicationChecksByTransitivity, 747.4ms TimeCoverageRelationStatistics Valid=752, Invalid=5254, Unknown=0, NotChecked=0, Total=6006 [2021-10-19 14:27:21,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5162 states. [2021-10-19 14:27:21,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5162 to 3118. [2021-10-19 14:27:21,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3118 states, 3106 states have (on average 1.9549259497746299) internal successors, (6072), 3117 states have internal predecessors, (6072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:21,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3118 states to 3118 states and 6072 transitions. [2021-10-19 14:27:21,171 INFO L78 Accepts]: Start accepts. Automaton has 3118 states and 6072 transitions. Word has length 123 [2021-10-19 14:27:21,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:21,171 INFO L470 AbstractCegarLoop]: Abstraction has 3118 states and 6072 transitions. [2021-10-19 14:27:21,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:21,171 INFO L276 IsEmpty]: Start isEmpty. Operand 3118 states and 6072 transitions. [2021-10-19 14:27:21,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:27:21,173 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:21,173 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:21,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-10-19 14:27:21,173 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:21,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:21,173 INFO L82 PathProgramCache]: Analyzing trace with hash -905751638, now seen corresponding path program 28 times [2021-10-19 14:27:21,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:21,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071105172] [2021-10-19 14:27:21,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:21,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:21,370 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 14:27:21,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:21,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071105172] [2021-10-19 14:27:21,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071105172] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:21,371 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:21,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:21,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819960086] [2021-10-19 14:27:21,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:21,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:21,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:21,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:21,371 INFO L87 Difference]: Start difference. First operand 3118 states and 6072 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:23,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:23,833 INFO L93 Difference]: Finished difference Result 5995 states and 11470 transitions. [2021-10-19 14:27:23,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-19 14:27:23,833 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:27:23,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:23,839 INFO L225 Difference]: With dead ends: 5995 [2021-10-19 14:27:23,839 INFO L226 Difference]: Without dead ends: 5995 [2021-10-19 14:27:23,840 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1972 ImplicationChecksByTransitivity, 900.7ms TimeCoverageRelationStatistics Valid=892, Invalid=5588, Unknown=0, NotChecked=0, Total=6480 [2021-10-19 14:27:23,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5995 states. [2021-10-19 14:27:23,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5995 to 3010. [2021-10-19 14:27:23,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2998 states have (on average 1.953302201467645) internal successors, (5856), 3009 states have internal predecessors, (5856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:23,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 5856 transitions. [2021-10-19 14:27:23,871 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 5856 transitions. Word has length 123 [2021-10-19 14:27:23,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:23,871 INFO L470 AbstractCegarLoop]: Abstraction has 3010 states and 5856 transitions. [2021-10-19 14:27:23,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:23,871 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 5856 transitions. [2021-10-19 14:27:23,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:27:23,872 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:23,872 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:23,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-10-19 14:27:23,872 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:23,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:23,873 INFO L82 PathProgramCache]: Analyzing trace with hash -624797560, now seen corresponding path program 29 times [2021-10-19 14:27:23,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:23,873 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836890817] [2021-10-19 14:27:23,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:23,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:24,094 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 14:27:24,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:24,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836890817] [2021-10-19 14:27:24,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836890817] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:24,095 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:24,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:24,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215655956] [2021-10-19 14:27:24,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:24,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:24,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:24,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:24,096 INFO L87 Difference]: Start difference. First operand 3010 states and 5856 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:25,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:25,896 INFO L93 Difference]: Finished difference Result 5819 states and 11221 transitions. [2021-10-19 14:27:25,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-19 14:27:25,897 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:27:25,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:25,903 INFO L225 Difference]: With dead ends: 5819 [2021-10-19 14:27:25,904 INFO L226 Difference]: Without dead ends: 5819 [2021-10-19 14:27:25,904 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 817 ImplicationChecksByTransitivity, 548.1ms TimeCoverageRelationStatistics Valid=451, Invalid=2855, Unknown=0, NotChecked=0, Total=3306 [2021-10-19 14:27:25,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5819 states. [2021-10-19 14:27:25,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5819 to 3060. [2021-10-19 14:27:25,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3060 states, 3048 states have (on average 1.9540682414698163) internal successors, (5956), 3059 states have internal predecessors, (5956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:25,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 3060 states and 5956 transitions. [2021-10-19 14:27:25,936 INFO L78 Accepts]: Start accepts. Automaton has 3060 states and 5956 transitions. Word has length 123 [2021-10-19 14:27:25,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:25,936 INFO L470 AbstractCegarLoop]: Abstraction has 3060 states and 5956 transitions. [2021-10-19 14:27:25,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:25,936 INFO L276 IsEmpty]: Start isEmpty. Operand 3060 states and 5956 transitions. [2021-10-19 14:27:25,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:27:25,937 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:25,937 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:25,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-10-19 14:27:25,938 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:25,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:25,938 INFO L82 PathProgramCache]: Analyzing trace with hash -531690292, now seen corresponding path program 30 times [2021-10-19 14:27:25,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:25,938 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897992596] [2021-10-19 14:27:25,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:25,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:26,160 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 14:27:26,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:26,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897992596] [2021-10-19 14:27:26,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897992596] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:26,160 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:26,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:26,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141686949] [2021-10-19 14:27:26,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:26,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:26,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:26,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:26,161 INFO L87 Difference]: Start difference. First operand 3060 states and 5956 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:28,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:28,375 INFO L93 Difference]: Finished difference Result 5977 states and 11527 transitions. [2021-10-19 14:27:28,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-19 14:27:28,376 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:27:28,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:28,382 INFO L225 Difference]: With dead ends: 5977 [2021-10-19 14:27:28,382 INFO L226 Difference]: Without dead ends: 5977 [2021-10-19 14:27:28,383 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 938 ImplicationChecksByTransitivity, 661.5ms TimeCoverageRelationStatistics Valid=492, Invalid=3168, Unknown=0, NotChecked=0, Total=3660 [2021-10-19 14:27:28,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5977 states. [2021-10-19 14:27:28,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5977 to 3072. [2021-10-19 14:27:28,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3072 states, 3060 states have (on average 1.9545751633986927) internal successors, (5981), 3071 states have internal predecessors, (5981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:28,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3072 states to 3072 states and 5981 transitions. [2021-10-19 14:27:28,413 INFO L78 Accepts]: Start accepts. Automaton has 3072 states and 5981 transitions. Word has length 123 [2021-10-19 14:27:28,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:28,413 INFO L470 AbstractCegarLoop]: Abstraction has 3072 states and 5981 transitions. [2021-10-19 14:27:28,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:28,413 INFO L276 IsEmpty]: Start isEmpty. Operand 3072 states and 5981 transitions. [2021-10-19 14:27:28,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:27:28,414 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:28,414 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:28,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-10-19 14:27:28,414 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:28,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:28,414 INFO L82 PathProgramCache]: Analyzing trace with hash 146574344, now seen corresponding path program 31 times [2021-10-19 14:27:28,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:28,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81095449] [2021-10-19 14:27:28,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:28,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:28,641 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 14:27:28,641 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:28,641 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81095449] [2021-10-19 14:27:28,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81095449] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:28,641 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:28,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:28,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813830548] [2021-10-19 14:27:28,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:28,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:28,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:28,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:28,642 INFO L87 Difference]: Start difference. First operand 3072 states and 5981 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:30,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:30,991 INFO L93 Difference]: Finished difference Result 6065 states and 11703 transitions. [2021-10-19 14:27:30,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-10-19 14:27:30,991 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:27:30,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:30,996 INFO L225 Difference]: With dead ends: 6065 [2021-10-19 14:27:30,996 INFO L226 Difference]: Without dead ends: 6065 [2021-10-19 14:27:30,997 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1004 ImplicationChecksByTransitivity, 653.1ms TimeCoverageRelationStatistics Valid=546, Invalid=3360, Unknown=0, NotChecked=0, Total=3906 [2021-10-19 14:27:31,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6065 states. [2021-10-19 14:27:31,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6065 to 3084. [2021-10-19 14:27:31,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3084 states, 3072 states have (on average 1.955078125) internal successors, (6006), 3083 states have internal predecessors, (6006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:31,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3084 states to 3084 states and 6006 transitions. [2021-10-19 14:27:31,026 INFO L78 Accepts]: Start accepts. Automaton has 3084 states and 6006 transitions. Word has length 123 [2021-10-19 14:27:31,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:31,026 INFO L470 AbstractCegarLoop]: Abstraction has 3084 states and 6006 transitions. [2021-10-19 14:27:31,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:31,026 INFO L276 IsEmpty]: Start isEmpty. Operand 3084 states and 6006 transitions. [2021-10-19 14:27:31,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:27:31,027 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:31,027 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:31,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-10-19 14:27:31,027 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:31,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:31,027 INFO L82 PathProgramCache]: Analyzing trace with hash 912283050, now seen corresponding path program 32 times [2021-10-19 14:27:31,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:31,027 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347817206] [2021-10-19 14:27:31,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:31,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:31,233 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 14:27:31,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:31,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347817206] [2021-10-19 14:27:31,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347817206] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:31,233 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:31,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:31,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442641121] [2021-10-19 14:27:31,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:31,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:31,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:31,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:31,234 INFO L87 Difference]: Start difference. First operand 3084 states and 6006 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:33,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:33,321 INFO L93 Difference]: Finished difference Result 6153 states and 11879 transitions. [2021-10-19 14:27:33,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-19 14:27:33,321 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:27:33,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:33,327 INFO L225 Difference]: With dead ends: 6153 [2021-10-19 14:27:33,327 INFO L226 Difference]: Without dead ends: 6153 [2021-10-19 14:27:33,328 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1100 ImplicationChecksByTransitivity, 729.4ms TimeCoverageRelationStatistics Valid=568, Invalid=3592, Unknown=0, NotChecked=0, Total=4160 [2021-10-19 14:27:33,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6153 states. [2021-10-19 14:27:33,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6153 to 3096. [2021-10-19 14:27:33,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3096 states, 3084 states have (on average 1.9555771725032425) internal successors, (6031), 3095 states have internal predecessors, (6031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:33,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3096 states to 3096 states and 6031 transitions. [2021-10-19 14:27:33,359 INFO L78 Accepts]: Start accepts. Automaton has 3096 states and 6031 transitions. Word has length 123 [2021-10-19 14:27:33,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:33,359 INFO L470 AbstractCegarLoop]: Abstraction has 3096 states and 6031 transitions. [2021-10-19 14:27:33,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:33,359 INFO L276 IsEmpty]: Start isEmpty. Operand 3096 states and 6031 transitions. [2021-10-19 14:27:33,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:27:33,360 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:33,360 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:33,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-10-19 14:27:33,360 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:33,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:33,360 INFO L82 PathProgramCache]: Analyzing trace with hash 994443150, now seen corresponding path program 35 times [2021-10-19 14:27:33,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:33,361 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21040960] [2021-10-19 14:27:33,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:33,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:33,571 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 14:27:33,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:33,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21040960] [2021-10-19 14:27:33,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21040960] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:33,571 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:33,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:33,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346842948] [2021-10-19 14:27:33,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:33,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:33,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:33,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:33,572 INFO L87 Difference]: Start difference. First operand 3096 states and 6031 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:35,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:35,117 INFO L93 Difference]: Finished difference Result 5970 states and 11592 transitions. [2021-10-19 14:27:35,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:27:35,117 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:27:35,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:35,123 INFO L225 Difference]: With dead ends: 5970 [2021-10-19 14:27:35,123 INFO L226 Difference]: Without dead ends: 5970 [2021-10-19 14:27:35,124 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1246 ImplicationChecksByTransitivity, 642.0ms TimeCoverageRelationStatistics Valid=578, Invalid=3844, Unknown=0, NotChecked=0, Total=4422 [2021-10-19 14:27:35,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5970 states. [2021-10-19 14:27:35,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5970 to 3126. [2021-10-19 14:27:35,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3126 states, 3114 states have (on average 1.9550417469492614) internal successors, (6088), 3125 states have internal predecessors, (6088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:35,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3126 states to 3126 states and 6088 transitions. [2021-10-19 14:27:35,155 INFO L78 Accepts]: Start accepts. Automaton has 3126 states and 6088 transitions. Word has length 123 [2021-10-19 14:27:35,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:35,155 INFO L470 AbstractCegarLoop]: Abstraction has 3126 states and 6088 transitions. [2021-10-19 14:27:35,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:35,155 INFO L276 IsEmpty]: Start isEmpty. Operand 3126 states and 6088 transitions. [2021-10-19 14:27:35,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:27:35,156 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:35,156 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:35,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-10-19 14:27:35,157 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:35,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:35,157 INFO L82 PathProgramCache]: Analyzing trace with hash -328158470, now seen corresponding path program 33 times [2021-10-19 14:27:35,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:35,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677242865] [2021-10-19 14:27:35,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:35,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:35,353 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 14:27:35,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:35,353 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677242865] [2021-10-19 14:27:35,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677242865] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:35,353 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:35,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:35,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709353112] [2021-10-19 14:27:35,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:35,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:35,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:35,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:35,354 INFO L87 Difference]: Start difference. First operand 3126 states and 6088 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:37,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:37,539 INFO L93 Difference]: Finished difference Result 6822 states and 13160 transitions. [2021-10-19 14:27:37,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-19 14:27:37,539 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:27:37,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:37,547 INFO L225 Difference]: With dead ends: 6822 [2021-10-19 14:27:37,547 INFO L226 Difference]: Without dead ends: 6822 [2021-10-19 14:27:37,547 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1081 ImplicationChecksByTransitivity, 637.6ms TimeCoverageRelationStatistics Valid=541, Invalid=3491, Unknown=0, NotChecked=0, Total=4032 [2021-10-19 14:27:37,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6822 states. [2021-10-19 14:27:37,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6822 to 3062. [2021-10-19 14:27:37,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3062 states, 3050 states have (on average 1.9540983606557376) internal successors, (5960), 3061 states have internal predecessors, (5960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:37,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 5960 transitions. [2021-10-19 14:27:37,593 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 5960 transitions. Word has length 123 [2021-10-19 14:27:37,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:37,593 INFO L470 AbstractCegarLoop]: Abstraction has 3062 states and 5960 transitions. [2021-10-19 14:27:37,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:37,593 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 5960 transitions. [2021-10-19 14:27:37,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:27:37,594 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:37,594 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:37,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-10-19 14:27:37,595 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:37,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:37,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1047379534, now seen corresponding path program 36 times [2021-10-19 14:27:37,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:37,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712451607] [2021-10-19 14:27:37,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:37,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:37,804 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 14:27:37,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:37,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712451607] [2021-10-19 14:27:37,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712451607] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:37,805 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:37,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:37,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580735855] [2021-10-19 14:27:37,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:37,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:37,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:37,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:37,806 INFO L87 Difference]: Start difference. First operand 3062 states and 5960 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:39,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:39,195 INFO L93 Difference]: Finished difference Result 4825 states and 9383 transitions. [2021-10-19 14:27:39,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-19 14:27:39,195 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:27:39,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:39,200 INFO L225 Difference]: With dead ends: 4825 [2021-10-19 14:27:39,200 INFO L226 Difference]: Without dead ends: 4825 [2021-10-19 14:27:39,201 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 780 ImplicationChecksByTransitivity, 524.7ms TimeCoverageRelationStatistics Valid=445, Invalid=2747, Unknown=0, NotChecked=0, Total=3192 [2021-10-19 14:27:39,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4825 states. [2021-10-19 14:27:39,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4825 to 3158. [2021-10-19 14:27:39,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3158 states, 3146 states have (on average 1.9554990464081372) internal successors, (6152), 3157 states have internal predecessors, (6152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:39,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3158 states to 3158 states and 6152 transitions. [2021-10-19 14:27:39,239 INFO L78 Accepts]: Start accepts. Automaton has 3158 states and 6152 transitions. Word has length 123 [2021-10-19 14:27:39,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:39,240 INFO L470 AbstractCegarLoop]: Abstraction has 3158 states and 6152 transitions. [2021-10-19 14:27:39,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:39,240 INFO L276 IsEmpty]: Start isEmpty. Operand 3158 states and 6152 transitions. [2021-10-19 14:27:39,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:27:39,241 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:39,241 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:39,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-10-19 14:27:39,241 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:39,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:39,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1429818910, now seen corresponding path program 34 times [2021-10-19 14:27:39,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:39,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714630234] [2021-10-19 14:27:39,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:39,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:39,433 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 14:27:39,434 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:39,434 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714630234] [2021-10-19 14:27:39,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714630234] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:39,434 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:39,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:39,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302098153] [2021-10-19 14:27:39,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:39,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:39,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:39,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:39,435 INFO L87 Difference]: Start difference. First operand 3158 states and 6152 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:41,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:41,404 INFO L93 Difference]: Finished difference Result 5195 states and 10047 transitions. [2021-10-19 14:27:41,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-19 14:27:41,405 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:27:41,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:41,410 INFO L225 Difference]: With dead ends: 5195 [2021-10-19 14:27:41,410 INFO L226 Difference]: Without dead ends: 5195 [2021-10-19 14:27:41,410 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 812 ImplicationChecksByTransitivity, 556.0ms TimeCoverageRelationStatistics Valid=451, Invalid=2855, Unknown=0, NotChecked=0, Total=3306 [2021-10-19 14:27:41,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5195 states. [2021-10-19 14:27:41,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5195 to 3142. [2021-10-19 14:27:41,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3142 states, 3130 states have (on average 1.9565495207667731) internal successors, (6124), 3141 states have internal predecessors, (6124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:41,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3142 states to 3142 states and 6124 transitions. [2021-10-19 14:27:41,438 INFO L78 Accepts]: Start accepts. Automaton has 3142 states and 6124 transitions. Word has length 123 [2021-10-19 14:27:41,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:41,438 INFO L470 AbstractCegarLoop]: Abstraction has 3142 states and 6124 transitions. [2021-10-19 14:27:41,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:41,438 INFO L276 IsEmpty]: Start isEmpty. Operand 3142 states and 6124 transitions. [2021-10-19 14:27:41,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:27:41,439 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:41,439 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:41,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-10-19 14:27:41,439 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:41,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:41,440 INFO L82 PathProgramCache]: Analyzing trace with hash 2086511504, now seen corresponding path program 37 times [2021-10-19 14:27:41,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:41,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082725470] [2021-10-19 14:27:41,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:41,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:41,652 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 14:27:41,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:41,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082725470] [2021-10-19 14:27:41,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082725470] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:41,653 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:41,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:41,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900342675] [2021-10-19 14:27:41,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:41,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:41,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:41,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:41,653 INFO L87 Difference]: Start difference. First operand 3142 states and 6124 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:43,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:43,082 INFO L93 Difference]: Finished difference Result 3774 states and 7365 transitions. [2021-10-19 14:27:43,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-19 14:27:43,082 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:27:43,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:43,086 INFO L225 Difference]: With dead ends: 3774 [2021-10-19 14:27:43,086 INFO L226 Difference]: Without dead ends: 3774 [2021-10-19 14:27:43,086 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 555.6ms TimeCoverageRelationStatistics Valid=418, Invalid=2552, Unknown=0, NotChecked=0, Total=2970 [2021-10-19 14:27:43,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3774 states. [2021-10-19 14:27:43,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3774 to 3144. [2021-10-19 14:27:43,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3144 states, 3132 states have (on average 1.9565772669220944) internal successors, (6128), 3143 states have internal predecessors, (6128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:43,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3144 states to 3144 states and 6128 transitions. [2021-10-19 14:27:43,110 INFO L78 Accepts]: Start accepts. Automaton has 3144 states and 6128 transitions. Word has length 123 [2021-10-19 14:27:43,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:43,110 INFO L470 AbstractCegarLoop]: Abstraction has 3144 states and 6128 transitions. [2021-10-19 14:27:43,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:43,110 INFO L276 IsEmpty]: Start isEmpty. Operand 3144 states and 6128 transitions. [2021-10-19 14:27:43,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:27:43,111 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:43,112 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:43,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-10-19 14:27:43,112 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:43,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:43,112 INFO L82 PathProgramCache]: Analyzing trace with hash -111370986, now seen corresponding path program 38 times [2021-10-19 14:27:43,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:43,112 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505355719] [2021-10-19 14:27:43,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:43,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:43,330 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 14:27:43,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:43,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505355719] [2021-10-19 14:27:43,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505355719] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:43,331 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:43,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:43,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260544713] [2021-10-19 14:27:43,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:43,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:43,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:43,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:43,332 INFO L87 Difference]: Start difference. First operand 3144 states and 6128 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:44,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:44,747 INFO L93 Difference]: Finished difference Result 3742 states and 7303 transitions. [2021-10-19 14:27:44,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-19 14:27:44,747 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:27:44,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:44,750 INFO L225 Difference]: With dead ends: 3742 [2021-10-19 14:27:44,750 INFO L226 Difference]: Without dead ends: 3742 [2021-10-19 14:27:44,750 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 591.2ms TimeCoverageRelationStatistics Valid=424, Invalid=2546, Unknown=0, NotChecked=0, Total=2970 [2021-10-19 14:27:44,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2021-10-19 14:27:44,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3146. [2021-10-19 14:27:44,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3146 states, 3134 states have (on average 1.9566049776643268) internal successors, (6132), 3145 states have internal predecessors, (6132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:44,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3146 states to 3146 states and 6132 transitions. [2021-10-19 14:27:44,774 INFO L78 Accepts]: Start accepts. Automaton has 3146 states and 6132 transitions. Word has length 123 [2021-10-19 14:27:44,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:44,775 INFO L470 AbstractCegarLoop]: Abstraction has 3146 states and 6132 transitions. [2021-10-19 14:27:44,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:44,775 INFO L276 IsEmpty]: Start isEmpty. Operand 3146 states and 6132 transitions. [2021-10-19 14:27:44,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:27:44,776 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:44,776 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:44,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-10-19 14:27:44,776 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:44,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:44,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1919962222, now seen corresponding path program 39 times [2021-10-19 14:27:44,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:44,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543295949] [2021-10-19 14:27:44,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:44,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:44,988 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 14:27:44,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:44,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543295949] [2021-10-19 14:27:44,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543295949] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:44,988 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:44,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:44,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154556105] [2021-10-19 14:27:44,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:44,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:44,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:44,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:44,989 INFO L87 Difference]: Start difference. First operand 3146 states and 6132 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:46,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:46,369 INFO L93 Difference]: Finished difference Result 3688 states and 7199 transitions. [2021-10-19 14:27:46,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-19 14:27:46,369 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:27:46,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:46,372 INFO L225 Difference]: With dead ends: 3688 [2021-10-19 14:27:46,372 INFO L226 Difference]: Without dead ends: 3688 [2021-10-19 14:27:46,373 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 708 ImplicationChecksByTransitivity, 567.8ms TimeCoverageRelationStatistics Valid=438, Invalid=2532, Unknown=0, NotChecked=0, Total=2970 [2021-10-19 14:27:46,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3688 states. [2021-10-19 14:27:46,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3688 to 3138. [2021-10-19 14:27:46,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3138 states, 3126 states have (on average 1.9564939219449775) internal successors, (6116), 3137 states have internal predecessors, (6116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:46,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3138 states to 3138 states and 6116 transitions. [2021-10-19 14:27:46,397 INFO L78 Accepts]: Start accepts. Automaton has 3138 states and 6116 transitions. Word has length 123 [2021-10-19 14:27:46,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:46,397 INFO L470 AbstractCegarLoop]: Abstraction has 3138 states and 6116 transitions. [2021-10-19 14:27:46,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:46,397 INFO L276 IsEmpty]: Start isEmpty. Operand 3138 states and 6116 transitions. [2021-10-19 14:27:46,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:27:46,398 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:46,398 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:46,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-10-19 14:27:46,398 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:46,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:46,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1705346400, now seen corresponding path program 40 times [2021-10-19 14:27:46,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:46,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458141855] [2021-10-19 14:27:46,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:46,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:46,732 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 14:27:46,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:46,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458141855] [2021-10-19 14:27:46,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458141855] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:46,732 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:46,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:27:46,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362096257] [2021-10-19 14:27:46,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:27:46,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:46,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:27:46,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:27:46,733 INFO L87 Difference]: Start difference. First operand 3138 states and 6116 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:48,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:48,364 INFO L93 Difference]: Finished difference Result 4352 states and 8527 transitions. [2021-10-19 14:27:48,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-19 14:27:48,368 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:27:48,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:48,372 INFO L225 Difference]: With dead ends: 4352 [2021-10-19 14:27:48,372 INFO L226 Difference]: Without dead ends: 4352 [2021-10-19 14:27:48,372 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 704 ImplicationChecksByTransitivity, 778.6ms TimeCoverageRelationStatistics Valid=521, Invalid=2559, Unknown=0, NotChecked=0, Total=3080 [2021-10-19 14:27:48,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4352 states. [2021-10-19 14:27:48,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4352 to 3132. [2021-10-19 14:27:48,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3132 states, 3120 states have (on average 1.9564102564102563) internal successors, (6104), 3131 states have internal predecessors, (6104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:48,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3132 states to 3132 states and 6104 transitions. [2021-10-19 14:27:48,398 INFO L78 Accepts]: Start accepts. Automaton has 3132 states and 6104 transitions. Word has length 123 [2021-10-19 14:27:48,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:48,398 INFO L470 AbstractCegarLoop]: Abstraction has 3132 states and 6104 transitions. [2021-10-19 14:27:48,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:48,398 INFO L276 IsEmpty]: Start isEmpty. Operand 3132 states and 6104 transitions. [2021-10-19 14:27:48,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:27:48,399 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:48,399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:48,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-10-19 14:27:48,400 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:48,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:48,400 INFO L82 PathProgramCache]: Analyzing trace with hash 713288046, now seen corresponding path program 41 times [2021-10-19 14:27:48,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:48,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306937373] [2021-10-19 14:27:48,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:48,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:48,695 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 14:27:48,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:48,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306937373] [2021-10-19 14:27:48,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306937373] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:48,695 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:48,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:27:48,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327223631] [2021-10-19 14:27:48,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:27:48,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:48,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:27:48,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:27:48,697 INFO L87 Difference]: Start difference. First operand 3132 states and 6104 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:50,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:50,449 INFO L93 Difference]: Finished difference Result 4382 states and 8585 transitions. [2021-10-19 14:27:50,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:27:50,450 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:27:50,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:50,454 INFO L225 Difference]: With dead ends: 4382 [2021-10-19 14:27:50,454 INFO L226 Difference]: Without dead ends: 4382 [2021-10-19 14:27:50,454 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 816 ImplicationChecksByTransitivity, 865.3ms TimeCoverageRelationStatistics Valid=559, Invalid=2863, Unknown=0, NotChecked=0, Total=3422 [2021-10-19 14:27:50,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4382 states. [2021-10-19 14:27:50,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4382 to 3126. [2021-10-19 14:27:50,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3126 states, 3114 states have (on average 1.9563262684649967) internal successors, (6092), 3125 states have internal predecessors, (6092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:50,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3126 states to 3126 states and 6092 transitions. [2021-10-19 14:27:50,480 INFO L78 Accepts]: Start accepts. Automaton has 3126 states and 6092 transitions. Word has length 123 [2021-10-19 14:27:50,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:50,480 INFO L470 AbstractCegarLoop]: Abstraction has 3126 states and 6092 transitions. [2021-10-19 14:27:50,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:50,481 INFO L276 IsEmpty]: Start isEmpty. Operand 3126 states and 6092 transitions. [2021-10-19 14:27:50,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:27:50,482 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:50,482 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:50,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-10-19 14:27:50,482 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:50,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:50,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1592494654, now seen corresponding path program 42 times [2021-10-19 14:27:50,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:50,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909124390] [2021-10-19 14:27:50,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:50,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:50,892 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 14:27:50,892 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:50,892 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909124390] [2021-10-19 14:27:50,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909124390] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:50,892 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:50,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:27:50,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723816172] [2021-10-19 14:27:50,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:27:50,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:50,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:27:50,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:27:50,893 INFO L87 Difference]: Start difference. First operand 3126 states and 6092 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:52,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:52,925 INFO L93 Difference]: Finished difference Result 4435 states and 8687 transitions. [2021-10-19 14:27:52,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-19 14:27:52,925 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:27:52,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:52,929 INFO L225 Difference]: With dead ends: 4435 [2021-10-19 14:27:52,929 INFO L226 Difference]: Without dead ends: 4435 [2021-10-19 14:27:52,930 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 1184.4ms TimeCoverageRelationStatistics Valid=553, Invalid=2987, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:27:52,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4435 states. [2021-10-19 14:27:52,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4435 to 3120. [2021-10-19 14:27:52,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3120 states, 3108 states have (on average 1.9562419562419562) internal successors, (6080), 3119 states have internal predecessors, (6080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:52,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3120 states to 3120 states and 6080 transitions. [2021-10-19 14:27:52,956 INFO L78 Accepts]: Start accepts. Automaton has 3120 states and 6080 transitions. Word has length 123 [2021-10-19 14:27:52,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:52,956 INFO L470 AbstractCegarLoop]: Abstraction has 3120 states and 6080 transitions. [2021-10-19 14:27:52,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:52,956 INFO L276 IsEmpty]: Start isEmpty. Operand 3120 states and 6080 transitions. [2021-10-19 14:27:52,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:27:52,957 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:52,957 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:52,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-10-19 14:27:52,957 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:52,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:52,958 INFO L82 PathProgramCache]: Analyzing trace with hash -461665968, now seen corresponding path program 43 times [2021-10-19 14:27:52,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:52,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007192567] [2021-10-19 14:27:52,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:52,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:53,232 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 14:27:53,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:53,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007192567] [2021-10-19 14:27:53,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007192567] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:53,233 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:53,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:27:53,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084041443] [2021-10-19 14:27:53,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:27:53,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:53,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:27:53,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:27:53,233 INFO L87 Difference]: Start difference. First operand 3120 states and 6080 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:54,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:54,951 INFO L93 Difference]: Finished difference Result 4449 states and 8708 transitions. [2021-10-19 14:27:54,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-19 14:27:54,951 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:27:54,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:54,955 INFO L225 Difference]: With dead ends: 4449 [2021-10-19 14:27:54,955 INFO L226 Difference]: Without dead ends: 4449 [2021-10-19 14:27:54,956 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 904 ImplicationChecksByTransitivity, 860.2ms TimeCoverageRelationStatistics Valid=559, Invalid=3101, Unknown=0, NotChecked=0, Total=3660 [2021-10-19 14:27:54,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4449 states. [2021-10-19 14:27:54,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4449 to 3074. [2021-10-19 14:27:54,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3074 states, 3062 states have (on average 1.954278249510124) internal successors, (5984), 3073 states have internal predecessors, (5984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:54,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 3074 states and 5984 transitions. [2021-10-19 14:27:54,981 INFO L78 Accepts]: Start accepts. Automaton has 3074 states and 5984 transitions. Word has length 123 [2021-10-19 14:27:54,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:54,981 INFO L470 AbstractCegarLoop]: Abstraction has 3074 states and 5984 transitions. [2021-10-19 14:27:54,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:54,981 INFO L276 IsEmpty]: Start isEmpty. Operand 3074 states and 5984 transitions. [2021-10-19 14:27:54,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:27:54,982 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:54,983 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:54,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-10-19 14:27:54,983 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:54,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:54,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1630126020, now seen corresponding path program 35 times [2021-10-19 14:27:54,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:54,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890045910] [2021-10-19 14:27:54,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:54,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:55,214 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 14:27:55,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:55,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890045910] [2021-10-19 14:27:55,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890045910] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:55,215 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:55,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:55,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522254152] [2021-10-19 14:27:55,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:55,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:55,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:55,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:55,216 INFO L87 Difference]: Start difference. First operand 3074 states and 5984 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:57,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:57,543 INFO L93 Difference]: Finished difference Result 6200 states and 11969 transitions. [2021-10-19 14:27:57,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:27:57,543 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:27:57,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:57,550 INFO L225 Difference]: With dead ends: 6200 [2021-10-19 14:27:57,550 INFO L226 Difference]: Without dead ends: 6180 [2021-10-19 14:27:57,550 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1182 ImplicationChecksByTransitivity, 711.8ms TimeCoverageRelationStatistics Valid=640, Invalid=3782, Unknown=0, NotChecked=0, Total=4422 [2021-10-19 14:27:57,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6180 states. [2021-10-19 14:27:57,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6180 to 3123. [2021-10-19 14:27:57,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3123 states, 3111 states have (on average 1.9549983927997427) internal successors, (6082), 3122 states have internal predecessors, (6082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:57,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3123 states to 3123 states and 6082 transitions. [2021-10-19 14:27:57,582 INFO L78 Accepts]: Start accepts. Automaton has 3123 states and 6082 transitions. Word has length 123 [2021-10-19 14:27:57,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:57,582 INFO L470 AbstractCegarLoop]: Abstraction has 3123 states and 6082 transitions. [2021-10-19 14:27:57,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:57,582 INFO L276 IsEmpty]: Start isEmpty. Operand 3123 states and 6082 transitions. [2021-10-19 14:27:57,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:27:57,583 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:57,583 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:27:57,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-10-19 14:27:57,583 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:57,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:57,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1195693902, now seen corresponding path program 36 times [2021-10-19 14:27:57,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:57,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770236513] [2021-10-19 14:27:57,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:57,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:57,846 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 14:27:57,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:57,846 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770236513] [2021-10-19 14:27:57,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770236513] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:57,846 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:57,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:57,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985181064] [2021-10-19 14:27:57,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:57,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:57,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:57,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:57,848 INFO L87 Difference]: Start difference. First operand 3123 states and 6082 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:00,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:00,478 INFO L93 Difference]: Finished difference Result 6238 states and 12050 transitions. [2021-10-19 14:28:00,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:28:00,479 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:28:00,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:00,485 INFO L225 Difference]: With dead ends: 6238 [2021-10-19 14:28:00,485 INFO L226 Difference]: Without dead ends: 6238 [2021-10-19 14:28:00,485 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1333 ImplicationChecksByTransitivity, 894.7ms TimeCoverageRelationStatistics Valid=687, Invalid=4143, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:28:00,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6238 states. [2021-10-19 14:28:00,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6238 to 3125. [2021-10-19 14:28:00,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3125 states, 3113 states have (on average 1.9550273048506264) internal successors, (6086), 3124 states have internal predecessors, (6086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:00,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3125 states to 3125 states and 6086 transitions. [2021-10-19 14:28:00,514 INFO L78 Accepts]: Start accepts. Automaton has 3125 states and 6086 transitions. Word has length 123 [2021-10-19 14:28:00,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:00,515 INFO L470 AbstractCegarLoop]: Abstraction has 3125 states and 6086 transitions. [2021-10-19 14:28:00,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:00,515 INFO L276 IsEmpty]: Start isEmpty. Operand 3125 states and 6086 transitions. [2021-10-19 14:28:00,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:28:00,516 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:00,516 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:00,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-10-19 14:28:00,516 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:00,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:00,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1102586634, now seen corresponding path program 37 times [2021-10-19 14:28:00,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:00,516 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437988112] [2021-10-19 14:28:00,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:00,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:00,735 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 14:28:00,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:00,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437988112] [2021-10-19 14:28:00,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437988112] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:00,735 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:00,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:00,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914226454] [2021-10-19 14:28:00,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:00,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:00,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:00,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:00,736 INFO L87 Difference]: Start difference. First operand 3125 states and 6086 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:03,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:03,369 INFO L93 Difference]: Finished difference Result 6320 states and 12208 transitions. [2021-10-19 14:28:03,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-19 14:28:03,369 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:28:03,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:03,376 INFO L225 Difference]: With dead ends: 6320 [2021-10-19 14:28:03,376 INFO L226 Difference]: Without dead ends: 6320 [2021-10-19 14:28:03,377 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1380 ImplicationChecksByTransitivity, 904.0ms TimeCoverageRelationStatistics Valid=704, Invalid=4266, Unknown=0, NotChecked=0, Total=4970 [2021-10-19 14:28:03,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6320 states. [2021-10-19 14:28:03,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6320 to 3137. [2021-10-19 14:28:03,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3137 states, 3125 states have (on average 1.95552) internal successors, (6111), 3136 states have internal predecessors, (6111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:03,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3137 states to 3137 states and 6111 transitions. [2021-10-19 14:28:03,417 INFO L78 Accepts]: Start accepts. Automaton has 3137 states and 6111 transitions. Word has length 123 [2021-10-19 14:28:03,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:03,417 INFO L470 AbstractCegarLoop]: Abstraction has 3137 states and 6111 transitions. [2021-10-19 14:28:03,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:03,417 INFO L276 IsEmpty]: Start isEmpty. Operand 3137 states and 6111 transitions. [2021-10-19 14:28:03,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:28:03,418 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:03,419 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:03,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-10-19 14:28:03,419 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:03,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:03,419 INFO L82 PathProgramCache]: Analyzing trace with hash 2041942670, now seen corresponding path program 38 times [2021-10-19 14:28:03,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:03,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996227532] [2021-10-19 14:28:03,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:03,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:03,671 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 14:28:03,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:03,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996227532] [2021-10-19 14:28:03,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996227532] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:03,672 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:03,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:03,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78676368] [2021-10-19 14:28:03,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:03,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:03,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:03,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:03,672 INFO L87 Difference]: Start difference. First operand 3137 states and 6111 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:05,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:05,983 INFO L93 Difference]: Finished difference Result 6229 states and 12032 transitions. [2021-10-19 14:28:05,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-19 14:28:05,984 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:28:05,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:05,990 INFO L225 Difference]: With dead ends: 6229 [2021-10-19 14:28:05,990 INFO L226 Difference]: Without dead ends: 6229 [2021-10-19 14:28:05,991 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1294 ImplicationChecksByTransitivity, 899.3ms TimeCoverageRelationStatistics Valid=650, Invalid=4042, Unknown=0, NotChecked=0, Total=4692 [2021-10-19 14:28:05,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6229 states. [2021-10-19 14:28:06,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6229 to 3141. [2021-10-19 14:28:06,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3141 states, 3129 states have (on average 1.95557686161713) internal successors, (6119), 3140 states have internal predecessors, (6119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:06,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3141 states to 3141 states and 6119 transitions. [2021-10-19 14:28:06,025 INFO L78 Accepts]: Start accepts. Automaton has 3141 states and 6119 transitions. Word has length 123 [2021-10-19 14:28:06,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:06,025 INFO L470 AbstractCegarLoop]: Abstraction has 3141 states and 6119 transitions. [2021-10-19 14:28:06,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:06,025 INFO L276 IsEmpty]: Start isEmpty. Operand 3141 states and 6119 transitions. [2021-10-19 14:28:06,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:28:06,027 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:06,027 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:06,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-10-19 14:28:06,027 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:06,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:06,027 INFO L82 PathProgramCache]: Analyzing trace with hash 2135049938, now seen corresponding path program 39 times [2021-10-19 14:28:06,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:06,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451244661] [2021-10-19 14:28:06,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:06,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:06,269 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 14:28:06,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:06,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451244661] [2021-10-19 14:28:06,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451244661] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:06,270 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:06,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:06,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856595493] [2021-10-19 14:28:06,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:06,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:06,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:06,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:06,271 INFO L87 Difference]: Start difference. First operand 3141 states and 6119 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:09,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:09,090 INFO L93 Difference]: Finished difference Result 6387 states and 12338 transitions. [2021-10-19 14:28:09,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-19 14:28:09,090 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:28:09,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:09,099 INFO L225 Difference]: With dead ends: 6387 [2021-10-19 14:28:09,100 INFO L226 Difference]: Without dead ends: 6387 [2021-10-19 14:28:09,100 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1391 ImplicationChecksByTransitivity, 930.9ms TimeCoverageRelationStatistics Valid=685, Invalid=4285, Unknown=0, NotChecked=0, Total=4970 [2021-10-19 14:28:09,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6387 states. [2021-10-19 14:28:09,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6387 to 3139. [2021-10-19 14:28:09,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3139 states, 3127 states have (on average 1.9555484489926447) internal successors, (6115), 3138 states have internal predecessors, (6115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:09,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3139 states to 3139 states and 6115 transitions. [2021-10-19 14:28:09,132 INFO L78 Accepts]: Start accepts. Automaton has 3139 states and 6115 transitions. Word has length 123 [2021-10-19 14:28:09,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:09,132 INFO L470 AbstractCegarLoop]: Abstraction has 3139 states and 6115 transitions. [2021-10-19 14:28:09,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:09,133 INFO L276 IsEmpty]: Start isEmpty. Operand 3139 states and 6115 transitions. [2021-10-19 14:28:09,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:28:09,134 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:09,134 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:09,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-10-19 14:28:09,134 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:09,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:09,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1481652722, now seen corresponding path program 40 times [2021-10-19 14:28:09,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:09,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781065880] [2021-10-19 14:28:09,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:09,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:09,356 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 14:28:09,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:09,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781065880] [2021-10-19 14:28:09,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781065880] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:09,357 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:09,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:09,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925058958] [2021-10-19 14:28:09,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:09,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:09,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:09,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:09,357 INFO L87 Difference]: Start difference. First operand 3139 states and 6115 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:11,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:11,679 INFO L93 Difference]: Finished difference Result 6410 states and 12388 transitions. [2021-10-19 14:28:11,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-19 14:28:11,679 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:28:11,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:11,686 INFO L225 Difference]: With dead ends: 6410 [2021-10-19 14:28:11,686 INFO L226 Difference]: Without dead ends: 6410 [2021-10-19 14:28:11,686 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1501 ImplicationChecksByTransitivity, 879.5ms TimeCoverageRelationStatistics Valid=792, Invalid=4610, Unknown=0, NotChecked=0, Total=5402 [2021-10-19 14:28:11,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6410 states. [2021-10-19 14:28:11,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6410 to 3151. [2021-10-19 14:28:11,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3151 states, 3139 states have (on average 1.9560369544440905) internal successors, (6140), 3150 states have internal predecessors, (6140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:11,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3151 states to 3151 states and 6140 transitions. [2021-10-19 14:28:11,718 INFO L78 Accepts]: Start accepts. Automaton has 3151 states and 6140 transitions. Word has length 123 [2021-10-19 14:28:11,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:11,718 INFO L470 AbstractCegarLoop]: Abstraction has 3151 states and 6140 transitions. [2021-10-19 14:28:11,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:11,718 INFO L276 IsEmpty]: Start isEmpty. Operand 3151 states and 6140 transitions. [2021-10-19 14:28:11,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:28:11,721 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:11,721 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:11,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-10-19 14:28:11,721 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:11,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:11,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1095485912, now seen corresponding path program 41 times [2021-10-19 14:28:11,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:11,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463192596] [2021-10-19 14:28:11,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:11,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:11,932 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 14:28:11,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:11,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463192596] [2021-10-19 14:28:11,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463192596] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:11,932 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:11,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:11,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114748948] [2021-10-19 14:28:11,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:11,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:11,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:11,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:11,933 INFO L87 Difference]: Start difference. First operand 3151 states and 6140 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:13,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:13,988 INFO L93 Difference]: Finished difference Result 6250 states and 12074 transitions. [2021-10-19 14:28:13,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:28:13,988 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:28:13,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:13,995 INFO L225 Difference]: With dead ends: 6250 [2021-10-19 14:28:13,995 INFO L226 Difference]: Without dead ends: 6250 [2021-10-19 14:28:13,995 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1255 ImplicationChecksByTransitivity, 806.3ms TimeCoverageRelationStatistics Valid=619, Invalid=3937, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:28:14,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6250 states. [2021-10-19 14:28:14,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6250 to 3157. [2021-10-19 14:28:14,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3157 states, 3145 states have (on average 1.956120826709062) internal successors, (6152), 3156 states have internal predecessors, (6152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:14,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3157 states to 3157 states and 6152 transitions. [2021-10-19 14:28:14,043 INFO L78 Accepts]: Start accepts. Automaton has 3157 states and 6152 transitions. Word has length 123 [2021-10-19 14:28:14,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:14,044 INFO L470 AbstractCegarLoop]: Abstraction has 3157 states and 6152 transitions. [2021-10-19 14:28:14,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:14,044 INFO L276 IsEmpty]: Start isEmpty. Operand 3157 states and 6152 transitions. [2021-10-19 14:28:14,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:28:14,045 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:14,045 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:14,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-10-19 14:28:14,045 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:14,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:14,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1002378644, now seen corresponding path program 42 times [2021-10-19 14:28:14,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:14,045 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858542333] [2021-10-19 14:28:14,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:14,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:14,255 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 14:28:14,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:14,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858542333] [2021-10-19 14:28:14,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858542333] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:14,255 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:14,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:14,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619269300] [2021-10-19 14:28:14,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:14,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:14,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:14,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:14,256 INFO L87 Difference]: Start difference. First operand 3157 states and 6152 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:16,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:16,554 INFO L93 Difference]: Finished difference Result 6408 states and 12380 transitions. [2021-10-19 14:28:16,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:28:16,554 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:28:16,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:16,560 INFO L225 Difference]: With dead ends: 6408 [2021-10-19 14:28:16,561 INFO L226 Difference]: Without dead ends: 6408 [2021-10-19 14:28:16,561 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1351 ImplicationChecksByTransitivity, 878.6ms TimeCoverageRelationStatistics Valid=653, Invalid=4177, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:28:16,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6408 states. [2021-10-19 14:28:16,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6408 to 3155. [2021-10-19 14:28:16,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3155 states, 3143 states have (on average 1.9560929048679605) internal successors, (6148), 3154 states have internal predecessors, (6148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:16,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3155 states to 3155 states and 6148 transitions. [2021-10-19 14:28:16,591 INFO L78 Accepts]: Start accepts. Automaton has 3155 states and 6148 transitions. Word has length 123 [2021-10-19 14:28:16,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:16,591 INFO L470 AbstractCegarLoop]: Abstraction has 3155 states and 6148 transitions. [2021-10-19 14:28:16,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:16,591 INFO L276 IsEmpty]: Start isEmpty. Operand 3155 states and 6148 transitions. [2021-10-19 14:28:16,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:28:16,592 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:16,592 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:16,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-10-19 14:28:16,593 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:16,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:16,593 INFO L82 PathProgramCache]: Analyzing trace with hash -324114008, now seen corresponding path program 43 times [2021-10-19 14:28:16,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:16,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251952478] [2021-10-19 14:28:16,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:16,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:16,789 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 14:28:16,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:16,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251952478] [2021-10-19 14:28:16,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251952478] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:16,790 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:16,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:16,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008113678] [2021-10-19 14:28:16,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:16,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:16,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:16,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:16,790 INFO L87 Difference]: Start difference. First operand 3155 states and 6148 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:19,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:19,574 INFO L93 Difference]: Finished difference Result 6506 states and 12576 transitions. [2021-10-19 14:28:19,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-19 14:28:19,574 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:28:19,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:19,605 INFO L225 Difference]: With dead ends: 6506 [2021-10-19 14:28:19,605 INFO L226 Difference]: Without dead ends: 6506 [2021-10-19 14:28:19,605 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1732 ImplicationChecksByTransitivity, 1021.4ms TimeCoverageRelationStatistics Valid=860, Invalid=5146, Unknown=0, NotChecked=0, Total=6006 [2021-10-19 14:28:19,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6506 states. [2021-10-19 14:28:19,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6506 to 3153. [2021-10-19 14:28:19,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3153 states, 3141 states have (on average 1.9560649474689589) internal successors, (6144), 3152 states have internal predecessors, (6144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:19,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3153 states to 3153 states and 6144 transitions. [2021-10-19 14:28:19,634 INFO L78 Accepts]: Start accepts. Automaton has 3153 states and 6144 transitions. Word has length 123 [2021-10-19 14:28:19,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:19,634 INFO L470 AbstractCegarLoop]: Abstraction has 3153 states and 6144 transitions. [2021-10-19 14:28:19,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:19,634 INFO L276 IsEmpty]: Start isEmpty. Operand 3153 states and 6144 transitions. [2021-10-19 14:28:19,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:28:19,635 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:19,635 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:19,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-10-19 14:28:19,636 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:19,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:19,636 INFO L82 PathProgramCache]: Analyzing trace with hash 441594698, now seen corresponding path program 44 times [2021-10-19 14:28:19,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:19,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928331949] [2021-10-19 14:28:19,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:19,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:19,831 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 14:28:19,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:19,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928331949] [2021-10-19 14:28:19,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928331949] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:19,832 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:19,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:19,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042489352] [2021-10-19 14:28:19,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:19,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:19,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:19,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:19,833 INFO L87 Difference]: Start difference. First operand 3153 states and 6144 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:22,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:22,872 INFO L93 Difference]: Finished difference Result 6500 states and 12568 transitions. [2021-10-19 14:28:22,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-19 14:28:22,872 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:28:22,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:22,879 INFO L225 Difference]: With dead ends: 6500 [2021-10-19 14:28:22,879 INFO L226 Difference]: Without dead ends: 6500 [2021-10-19 14:28:22,880 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1676 ImplicationChecksByTransitivity, 1015.7ms TimeCoverageRelationStatistics Valid=825, Invalid=5027, Unknown=0, NotChecked=0, Total=5852 [2021-10-19 14:28:22,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6500 states. [2021-10-19 14:28:22,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6500 to 3165. [2021-10-19 14:28:22,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3165 states, 3153 states have (on average 1.9565493181097369) internal successors, (6169), 3164 states have internal predecessors, (6169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:22,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3165 states to 3165 states and 6169 transitions. [2021-10-19 14:28:22,913 INFO L78 Accepts]: Start accepts. Automaton has 3165 states and 6169 transitions. Word has length 123 [2021-10-19 14:28:22,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:22,913 INFO L470 AbstractCegarLoop]: Abstraction has 3165 states and 6169 transitions. [2021-10-19 14:28:22,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:22,913 INFO L276 IsEmpty]: Start isEmpty. Operand 3165 states and 6169 transitions. [2021-10-19 14:28:22,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:28:22,914 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:22,914 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:22,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-10-19 14:28:22,914 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:22,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:22,914 INFO L82 PathProgramCache]: Analyzing trace with hash -920634980, now seen corresponding path program 45 times [2021-10-19 14:28:22,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:22,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985068210] [2021-10-19 14:28:22,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:22,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:23,152 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 14:28:23,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:23,152 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985068210] [2021-10-19 14:28:23,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985068210] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:23,152 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:23,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:23,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108124545] [2021-10-19 14:28:23,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:23,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:23,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:23,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:23,153 INFO L87 Difference]: Start difference. First operand 3165 states and 6169 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:25,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:25,737 INFO L93 Difference]: Finished difference Result 7380 states and 14203 transitions. [2021-10-19 14:28:25,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:28:25,738 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:28:25,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:25,745 INFO L225 Difference]: With dead ends: 7380 [2021-10-19 14:28:25,745 INFO L226 Difference]: Without dead ends: 7380 [2021-10-19 14:28:25,745 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1383 ImplicationChecksByTransitivity, 707.5ms TimeCoverageRelationStatistics Valid=642, Invalid=4188, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:28:25,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7380 states. [2021-10-19 14:28:25,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7380 to 3171. [2021-10-19 14:28:25,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3171 states, 3159 states have (on average 1.9566318455207343) internal successors, (6181), 3170 states have internal predecessors, (6181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:25,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3171 states to 3171 states and 6181 transitions. [2021-10-19 14:28:25,778 INFO L78 Accepts]: Start accepts. Automaton has 3171 states and 6181 transitions. Word has length 123 [2021-10-19 14:28:25,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:25,779 INFO L470 AbstractCegarLoop]: Abstraction has 3171 states and 6181 transitions. [2021-10-19 14:28:25,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:25,779 INFO L276 IsEmpty]: Start isEmpty. Operand 3171 states and 6181 transitions. [2021-10-19 14:28:25,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:28:25,780 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:25,780 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:25,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-10-19 14:28:25,780 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:25,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:25,780 INFO L82 PathProgramCache]: Analyzing trace with hash -827527712, now seen corresponding path program 46 times [2021-10-19 14:28:25,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:25,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499035487] [2021-10-19 14:28:25,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:25,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:26,023 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 14:28:26,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:26,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499035487] [2021-10-19 14:28:26,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499035487] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:26,023 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:26,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:26,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325650114] [2021-10-19 14:28:26,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:26,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:26,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:26,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:26,024 INFO L87 Difference]: Start difference. First operand 3171 states and 6181 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:28,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:28,445 INFO L93 Difference]: Finished difference Result 7538 states and 14509 transitions. [2021-10-19 14:28:28,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:28:28,446 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:28:28,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:28,454 INFO L225 Difference]: With dead ends: 7538 [2021-10-19 14:28:28,454 INFO L226 Difference]: Without dead ends: 7538 [2021-10-19 14:28:28,455 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1486 ImplicationChecksByTransitivity, 824.1ms TimeCoverageRelationStatistics Valid=677, Invalid=4435, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:28:28,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7538 states. [2021-10-19 14:28:28,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7538 to 3169. [2021-10-19 14:28:28,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3169 states, 3157 states have (on average 1.9566043712385175) internal successors, (6177), 3168 states have internal predecessors, (6177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:28,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3169 states to 3169 states and 6177 transitions. [2021-10-19 14:28:28,504 INFO L78 Accepts]: Start accepts. Automaton has 3169 states and 6177 transitions. Word has length 123 [2021-10-19 14:28:28,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:28,504 INFO L470 AbstractCegarLoop]: Abstraction has 3169 states and 6177 transitions. [2021-10-19 14:28:28,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:28,504 INFO L276 IsEmpty]: Start isEmpty. Operand 3169 states and 6177 transitions. [2021-10-19 14:28:28,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:28:28,505 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:28,505 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:28,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-10-19 14:28:28,506 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:28,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:28,506 INFO L82 PathProgramCache]: Analyzing trace with hash -149263076, now seen corresponding path program 47 times [2021-10-19 14:28:28,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:28,506 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932306369] [2021-10-19 14:28:28,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:28,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:28,711 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 14:28:28,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:28,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932306369] [2021-10-19 14:28:28,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932306369] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:28,711 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:28,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:28,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761970388] [2021-10-19 14:28:28,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:28,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:28,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:28,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:28,712 INFO L87 Difference]: Start difference. First operand 3169 states and 6177 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:31,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:31,167 INFO L93 Difference]: Finished difference Result 7626 states and 14685 transitions. [2021-10-19 14:28:31,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-19 14:28:31,167 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:28:31,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:31,175 INFO L225 Difference]: With dead ends: 7626 [2021-10-19 14:28:31,175 INFO L226 Difference]: Without dead ends: 7626 [2021-10-19 14:28:31,175 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1562 ImplicationChecksByTransitivity, 783.7ms TimeCoverageRelationStatistics Valid=750, Invalid=4652, Unknown=0, NotChecked=0, Total=5402 [2021-10-19 14:28:31,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7626 states. [2021-10-19 14:28:31,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7626 to 3167. [2021-10-19 14:28:31,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3167 states, 3155 states have (on average 1.9565768621236133) internal successors, (6173), 3166 states have internal predecessors, (6173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:31,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3167 states to 3167 states and 6173 transitions. [2021-10-19 14:28:31,211 INFO L78 Accepts]: Start accepts. Automaton has 3167 states and 6173 transitions. Word has length 123 [2021-10-19 14:28:31,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:31,211 INFO L470 AbstractCegarLoop]: Abstraction has 3167 states and 6173 transitions. [2021-10-19 14:28:31,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:31,211 INFO L276 IsEmpty]: Start isEmpty. Operand 3167 states and 6173 transitions. [2021-10-19 14:28:31,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:28:31,212 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:31,212 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:31,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-10-19 14:28:31,212 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:31,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:31,212 INFO L82 PathProgramCache]: Analyzing trace with hash 616445630, now seen corresponding path program 48 times [2021-10-19 14:28:31,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:31,212 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173635653] [2021-10-19 14:28:31,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:31,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:31,399 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 14:28:31,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:31,400 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173635653] [2021-10-19 14:28:31,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173635653] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:31,400 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:31,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:31,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294322771] [2021-10-19 14:28:31,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:31,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:31,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:31,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:31,400 INFO L87 Difference]: Start difference. First operand 3167 states and 6173 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:33,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:33,789 INFO L93 Difference]: Finished difference Result 7714 states and 14861 transitions. [2021-10-19 14:28:33,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-19 14:28:33,790 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:28:33,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:33,810 INFO L225 Difference]: With dead ends: 7714 [2021-10-19 14:28:33,811 INFO L226 Difference]: Without dead ends: 7714 [2021-10-19 14:28:33,811 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1680 ImplicationChecksByTransitivity, 880.0ms TimeCoverageRelationStatistics Valid=779, Invalid=4921, Unknown=0, NotChecked=0, Total=5700 [2021-10-19 14:28:33,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7714 states. [2021-10-19 14:28:33,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7714 to 3165. [2021-10-19 14:28:33,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3165 states, 3153 states have (on average 1.9565493181097369) internal successors, (6169), 3164 states have internal predecessors, (6169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:33,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3165 states to 3165 states and 6169 transitions. [2021-10-19 14:28:33,844 INFO L78 Accepts]: Start accepts. Automaton has 3165 states and 6169 transitions. Word has length 123 [2021-10-19 14:28:33,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:33,844 INFO L470 AbstractCegarLoop]: Abstraction has 3165 states and 6169 transitions. [2021-10-19 14:28:33,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:33,844 INFO L276 IsEmpty]: Start isEmpty. Operand 3165 states and 6169 transitions. [2021-10-19 14:28:33,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:28:33,845 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:33,845 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:33,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-10-19 14:28:33,845 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:33,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:33,846 INFO L82 PathProgramCache]: Analyzing trace with hash 698605730, now seen corresponding path program 44 times [2021-10-19 14:28:33,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:33,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803714755] [2021-10-19 14:28:33,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:33,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:34,048 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 14:28:34,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:34,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803714755] [2021-10-19 14:28:34,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803714755] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:34,049 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:34,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:34,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379797606] [2021-10-19 14:28:34,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:34,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:34,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:34,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:34,049 INFO L87 Difference]: Start difference. First operand 3165 states and 6169 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:35,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:35,717 INFO L93 Difference]: Finished difference Result 5820 states and 11292 transitions. [2021-10-19 14:28:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-19 14:28:35,717 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:28:35,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:35,722 INFO L225 Difference]: With dead ends: 5820 [2021-10-19 14:28:35,722 INFO L226 Difference]: Without dead ends: 5820 [2021-10-19 14:28:35,723 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1576 ImplicationChecksByTransitivity, 692.0ms TimeCoverageRelationStatistics Valid=681, Invalid=4575, Unknown=0, NotChecked=0, Total=5256 [2021-10-19 14:28:35,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5820 states. [2021-10-19 14:28:35,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5820 to 3154. [2021-10-19 14:28:35,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3154 states, 3142 states have (on average 1.9554423933800127) internal successors, (6144), 3153 states have internal predecessors, (6144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:35,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3154 states to 3154 states and 6144 transitions. [2021-10-19 14:28:35,753 INFO L78 Accepts]: Start accepts. Automaton has 3154 states and 6144 transitions. Word has length 123 [2021-10-19 14:28:35,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:35,753 INFO L470 AbstractCegarLoop]: Abstraction has 3154 states and 6144 transitions. [2021-10-19 14:28:35,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:35,753 INFO L276 IsEmpty]: Start isEmpty. Operand 3154 states and 6144 transitions. [2021-10-19 14:28:35,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:28:35,754 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:35,754 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:35,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-10-19 14:28:35,754 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:35,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:35,755 INFO L82 PathProgramCache]: Analyzing trace with hash -623995890, now seen corresponding path program 49 times [2021-10-19 14:28:35,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:35,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594258519] [2021-10-19 14:28:35,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:35,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:35,949 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 14:28:35,949 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:35,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594258519] [2021-10-19 14:28:35,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594258519] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:35,949 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:35,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:35,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828319440] [2021-10-19 14:28:35,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:35,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:35,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:35,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:35,950 INFO L87 Difference]: Start difference. First operand 3154 states and 6144 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:38,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:38,218 INFO L93 Difference]: Finished difference Result 6644 states and 12808 transitions. [2021-10-19 14:28:38,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:28:38,218 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:28:38,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:38,225 INFO L225 Difference]: With dead ends: 6644 [2021-10-19 14:28:38,225 INFO L226 Difference]: Without dead ends: 6644 [2021-10-19 14:28:38,226 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1465 ImplicationChecksByTransitivity, 770.5ms TimeCoverageRelationStatistics Valid=687, Invalid=4425, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:28:38,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6644 states. [2021-10-19 14:28:38,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6644 to 3016. [2021-10-19 14:28:38,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3016 states, 3004 states have (on average 1.9533954727030627) internal successors, (5868), 3015 states have internal predecessors, (5868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:38,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3016 states to 3016 states and 5868 transitions. [2021-10-19 14:28:38,257 INFO L78 Accepts]: Start accepts. Automaton has 3016 states and 5868 transitions. Word has length 123 [2021-10-19 14:28:38,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:38,257 INFO L470 AbstractCegarLoop]: Abstraction has 3016 states and 5868 transitions. [2021-10-19 14:28:38,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:38,257 INFO L276 IsEmpty]: Start isEmpty. Operand 3016 states and 5868 transitions. [2021-10-19 14:28:38,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:28:38,258 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:38,258 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:38,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-10-19 14:28:38,258 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:38,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:38,258 INFO L82 PathProgramCache]: Analyzing trace with hash 120408702, now seen corresponding path program 50 times [2021-10-19 14:28:38,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:38,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3570531] [2021-10-19 14:28:38,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:38,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:38,472 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 14:28:38,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:38,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3570531] [2021-10-19 14:28:38,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3570531] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:38,473 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:38,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:38,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921117056] [2021-10-19 14:28:38,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:38,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:38,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:38,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:38,473 INFO L87 Difference]: Start difference. First operand 3016 states and 5868 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:40,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:40,235 INFO L93 Difference]: Finished difference Result 5509 states and 10596 transitions. [2021-10-19 14:28:40,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:28:40,235 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:28:40,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:40,241 INFO L225 Difference]: With dead ends: 5509 [2021-10-19 14:28:40,241 INFO L226 Difference]: Without dead ends: 5489 [2021-10-19 14:28:40,242 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1178 ImplicationChecksByTransitivity, 727.3ms TimeCoverageRelationStatistics Valid=683, Invalid=3739, Unknown=0, NotChecked=0, Total=4422 [2021-10-19 14:28:40,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5489 states. [2021-10-19 14:28:40,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5489 to 3109. [2021-10-19 14:28:40,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3109 states, 3097 states have (on average 1.954794962867291) internal successors, (6054), 3108 states have internal predecessors, (6054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:40,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3109 states to 3109 states and 6054 transitions. [2021-10-19 14:28:40,289 INFO L78 Accepts]: Start accepts. Automaton has 3109 states and 6054 transitions. Word has length 123 [2021-10-19 14:28:40,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:40,289 INFO L470 AbstractCegarLoop]: Abstraction has 3109 states and 6054 transitions. [2021-10-19 14:28:40,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:40,289 INFO L276 IsEmpty]: Start isEmpty. Operand 3109 states and 6054 transitions. [2021-10-19 14:28:40,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:28:40,290 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:40,290 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:40,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-10-19 14:28:40,291 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:40,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:40,291 INFO L82 PathProgramCache]: Analyzing trace with hash 554840820, now seen corresponding path program 51 times [2021-10-19 14:28:40,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:40,291 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095986342] [2021-10-19 14:28:40,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:40,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:40,512 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 14:28:40,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:40,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095986342] [2021-10-19 14:28:40,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095986342] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:40,513 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:40,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:40,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560930371] [2021-10-19 14:28:40,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:40,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:40,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:40,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:40,513 INFO L87 Difference]: Start difference. First operand 3109 states and 6054 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:42,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:42,852 INFO L93 Difference]: Finished difference Result 5547 states and 10677 transitions. [2021-10-19 14:28:42,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:28:42,853 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:28:42,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:42,858 INFO L225 Difference]: With dead ends: 5547 [2021-10-19 14:28:42,858 INFO L226 Difference]: Without dead ends: 5547 [2021-10-19 14:28:42,858 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1332 ImplicationChecksByTransitivity, 905.5ms TimeCoverageRelationStatistics Valid=730, Invalid=4100, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:28:42,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5547 states. [2021-10-19 14:28:42,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5547 to 3111. [2021-10-19 14:28:42,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3111 states, 3099 states have (on average 1.9548241368183286) internal successors, (6058), 3110 states have internal predecessors, (6058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:42,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3111 states to 3111 states and 6058 transitions. [2021-10-19 14:28:42,887 INFO L78 Accepts]: Start accepts. Automaton has 3111 states and 6058 transitions. Word has length 123 [2021-10-19 14:28:42,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:42,887 INFO L470 AbstractCegarLoop]: Abstraction has 3111 states and 6058 transitions. [2021-10-19 14:28:42,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:42,887 INFO L276 IsEmpty]: Start isEmpty. Operand 3111 states and 6058 transitions. [2021-10-19 14:28:42,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:28:42,888 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:42,888 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:42,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-10-19 14:28:42,888 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:42,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:42,889 INFO L82 PathProgramCache]: Analyzing trace with hash 647948088, now seen corresponding path program 52 times [2021-10-19 14:28:42,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:42,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545086476] [2021-10-19 14:28:42,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:42,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:43,139 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 14:28:43,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:43,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545086476] [2021-10-19 14:28:43,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545086476] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:43,139 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:43,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:43,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997068211] [2021-10-19 14:28:43,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:43,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:43,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:43,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:43,140 INFO L87 Difference]: Start difference. First operand 3111 states and 6058 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:45,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:45,508 INFO L93 Difference]: Finished difference Result 5629 states and 10835 transitions. [2021-10-19 14:28:45,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-19 14:28:45,508 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:28:45,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:45,514 INFO L225 Difference]: With dead ends: 5629 [2021-10-19 14:28:45,514 INFO L226 Difference]: Without dead ends: 5629 [2021-10-19 14:28:45,514 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1379 ImplicationChecksByTransitivity, 936.5ms TimeCoverageRelationStatistics Valid=747, Invalid=4223, Unknown=0, NotChecked=0, Total=4970 [2021-10-19 14:28:45,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5629 states. [2021-10-19 14:28:45,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5629 to 3123. [2021-10-19 14:28:45,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3123 states, 3111 states have (on average 1.9553198328511732) internal successors, (6083), 3122 states have internal predecessors, (6083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:45,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3123 states to 3123 states and 6083 transitions. [2021-10-19 14:28:45,559 INFO L78 Accepts]: Start accepts. Automaton has 3123 states and 6083 transitions. Word has length 123 [2021-10-19 14:28:45,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:45,560 INFO L470 AbstractCegarLoop]: Abstraction has 3123 states and 6083 transitions. [2021-10-19 14:28:45,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:45,560 INFO L276 IsEmpty]: Start isEmpty. Operand 3123 states and 6083 transitions. [2021-10-19 14:28:45,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:28:45,561 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:45,561 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:45,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-10-19 14:28:45,561 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:45,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:45,561 INFO L82 PathProgramCache]: Analyzing trace with hash -502489904, now seen corresponding path program 53 times [2021-10-19 14:28:45,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:45,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398633379] [2021-10-19 14:28:45,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:45,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:45,789 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 14:28:45,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:45,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398633379] [2021-10-19 14:28:45,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398633379] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:45,789 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:45,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:45,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452544473] [2021-10-19 14:28:45,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:45,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:45,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:45,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:45,790 INFO L87 Difference]: Start difference. First operand 3123 states and 6083 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:47,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:47,874 INFO L93 Difference]: Finished difference Result 5599 states and 10781 transitions. [2021-10-19 14:28:47,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-19 14:28:47,874 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:28:47,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:47,880 INFO L225 Difference]: With dead ends: 5599 [2021-10-19 14:28:47,880 INFO L226 Difference]: Without dead ends: 5599 [2021-10-19 14:28:47,880 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1299 ImplicationChecksByTransitivity, 906.5ms TimeCoverageRelationStatistics Valid=691, Invalid=4001, Unknown=0, NotChecked=0, Total=4692 [2021-10-19 14:28:47,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5599 states. [2021-10-19 14:28:47,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5599 to 3127. [2021-10-19 14:28:47,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3127 states, 3115 states have (on average 1.9553772070626003) internal successors, (6091), 3126 states have internal predecessors, (6091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:47,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3127 states to 3127 states and 6091 transitions. [2021-10-19 14:28:47,911 INFO L78 Accepts]: Start accepts. Automaton has 3127 states and 6091 transitions. Word has length 123 [2021-10-19 14:28:47,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:47,911 INFO L470 AbstractCegarLoop]: Abstraction has 3127 states and 6091 transitions. [2021-10-19 14:28:47,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:47,911 INFO L276 IsEmpty]: Start isEmpty. Operand 3127 states and 6091 transitions. [2021-10-19 14:28:47,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:28:47,912 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:47,912 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:47,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-10-19 14:28:47,912 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:47,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:47,912 INFO L82 PathProgramCache]: Analyzing trace with hash -409382636, now seen corresponding path program 54 times [2021-10-19 14:28:47,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:47,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055434529] [2021-10-19 14:28:47,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:47,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:48,132 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 14:28:48,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:48,132 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055434529] [2021-10-19 14:28:48,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055434529] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:48,132 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:48,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:48,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885328390] [2021-10-19 14:28:48,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:48,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:48,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:48,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:48,133 INFO L87 Difference]: Start difference. First operand 3127 states and 6091 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:50,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:50,599 INFO L93 Difference]: Finished difference Result 5757 states and 11087 transitions. [2021-10-19 14:28:50,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-19 14:28:50,599 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:28:50,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:50,605 INFO L225 Difference]: With dead ends: 5757 [2021-10-19 14:28:50,605 INFO L226 Difference]: Without dead ends: 5757 [2021-10-19 14:28:50,605 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1398 ImplicationChecksByTransitivity, 956.9ms TimeCoverageRelationStatistics Valid=726, Invalid=4244, Unknown=0, NotChecked=0, Total=4970 [2021-10-19 14:28:50,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5757 states. [2021-10-19 14:28:50,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5757 to 3125. [2021-10-19 14:28:50,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3125 states, 3113 states have (on average 1.9553485383874076) internal successors, (6087), 3124 states have internal predecessors, (6087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:50,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3125 states to 3125 states and 6087 transitions. [2021-10-19 14:28:50,636 INFO L78 Accepts]: Start accepts. Automaton has 3125 states and 6087 transitions. Word has length 123 [2021-10-19 14:28:50,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:50,636 INFO L470 AbstractCegarLoop]: Abstraction has 3125 states and 6087 transitions. [2021-10-19 14:28:50,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:50,636 INFO L276 IsEmpty]: Start isEmpty. Operand 3125 states and 6087 transitions. [2021-10-19 14:28:50,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:28:50,637 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:50,637 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:50,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-10-19 14:28:50,637 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:50,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:50,638 INFO L82 PathProgramCache]: Analyzing trace with hash 268882000, now seen corresponding path program 55 times [2021-10-19 14:28:50,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:50,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196918451] [2021-10-19 14:28:50,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:50,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:50,846 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 14:28:50,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:50,846 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196918451] [2021-10-19 14:28:50,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196918451] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:50,846 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:50,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:50,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316064924] [2021-10-19 14:28:50,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:50,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:50,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:50,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:50,847 INFO L87 Difference]: Start difference. First operand 3125 states and 6087 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:53,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:53,190 INFO L93 Difference]: Finished difference Result 5719 states and 11015 transitions. [2021-10-19 14:28:53,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-19 14:28:53,190 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:28:53,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:53,196 INFO L225 Difference]: With dead ends: 5719 [2021-10-19 14:28:53,196 INFO L226 Difference]: Without dead ends: 5719 [2021-10-19 14:28:53,196 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1497 ImplicationChecksByTransitivity, 905.6ms TimeCoverageRelationStatistics Valid=841, Invalid=4561, Unknown=0, NotChecked=0, Total=5402 [2021-10-19 14:28:53,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5719 states. [2021-10-19 14:28:53,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5719 to 3137. [2021-10-19 14:28:53,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3137 states, 3125 states have (on average 1.95584) internal successors, (6112), 3136 states have internal predecessors, (6112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:53,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3137 states to 3137 states and 6112 transitions. [2021-10-19 14:28:53,225 INFO L78 Accepts]: Start accepts. Automaton has 3137 states and 6112 transitions. Word has length 123 [2021-10-19 14:28:53,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:53,225 INFO L470 AbstractCegarLoop]: Abstraction has 3137 states and 6112 transitions. [2021-10-19 14:28:53,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:53,225 INFO L276 IsEmpty]: Start isEmpty. Operand 3137 states and 6112 transitions. [2021-10-19 14:28:53,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:28:53,226 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:53,226 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:53,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-10-19 14:28:53,227 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:53,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:53,227 INFO L82 PathProgramCache]: Analyzing trace with hash 655048810, now seen corresponding path program 56 times [2021-10-19 14:28:53,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:53,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938407500] [2021-10-19 14:28:53,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:53,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:53,440 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 14:28:53,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:53,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938407500] [2021-10-19 14:28:53,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938407500] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:53,440 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:53,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:53,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458184539] [2021-10-19 14:28:53,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:53,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:53,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:53,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:53,441 INFO L87 Difference]: Start difference. First operand 3137 states and 6112 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:55,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:55,407 INFO L93 Difference]: Finished difference Result 5651 states and 10885 transitions. [2021-10-19 14:28:55,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:28:55,408 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:28:55,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:55,414 INFO L225 Difference]: With dead ends: 5651 [2021-10-19 14:28:55,414 INFO L226 Difference]: Without dead ends: 5651 [2021-10-19 14:28:55,414 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1262 ImplicationChecksByTransitivity, 837.9ms TimeCoverageRelationStatistics Valid=658, Invalid=3898, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:28:55,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5651 states. [2021-10-19 14:28:55,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5651 to 3143. [2021-10-19 14:28:55,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3143 states, 3131 states have (on average 1.9559246247205366) internal successors, (6124), 3142 states have internal predecessors, (6124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:55,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3143 states to 3143 states and 6124 transitions. [2021-10-19 14:28:55,445 INFO L78 Accepts]: Start accepts. Automaton has 3143 states and 6124 transitions. Word has length 123 [2021-10-19 14:28:55,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:55,446 INFO L470 AbstractCegarLoop]: Abstraction has 3143 states and 6124 transitions. [2021-10-19 14:28:55,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:55,446 INFO L276 IsEmpty]: Start isEmpty. Operand 3143 states and 6124 transitions. [2021-10-19 14:28:55,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:28:55,447 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:55,447 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:55,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2021-10-19 14:28:55,447 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:55,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:55,447 INFO L82 PathProgramCache]: Analyzing trace with hash 748156078, now seen corresponding path program 57 times [2021-10-19 14:28:55,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:55,447 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762485884] [2021-10-19 14:28:55,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:55,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:55,662 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 14:28:55,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:55,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762485884] [2021-10-19 14:28:55,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762485884] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:55,663 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:55,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:55,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996480236] [2021-10-19 14:28:55,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:55,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:55,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:55,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:55,663 INFO L87 Difference]: Start difference. First operand 3143 states and 6124 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:57,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:57,796 INFO L93 Difference]: Finished difference Result 5809 states and 11191 transitions. [2021-10-19 14:28:57,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:28:57,797 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:28:57,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:57,803 INFO L225 Difference]: With dead ends: 5809 [2021-10-19 14:28:57,803 INFO L226 Difference]: Without dead ends: 5809 [2021-10-19 14:28:57,804 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1360 ImplicationChecksByTransitivity, 960.8ms TimeCoverageRelationStatistics Valid=692, Invalid=4138, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:28:57,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5809 states. [2021-10-19 14:28:57,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5809 to 3141. [2021-10-19 14:28:57,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3141 states, 3129 states have (on average 1.9558964525407478) internal successors, (6120), 3140 states have internal predecessors, (6120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:57,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3141 states to 3141 states and 6120 transitions. [2021-10-19 14:28:57,854 INFO L78 Accepts]: Start accepts. Automaton has 3141 states and 6120 transitions. Word has length 123 [2021-10-19 14:28:57,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:57,854 INFO L470 AbstractCegarLoop]: Abstraction has 3141 states and 6120 transitions. [2021-10-19 14:28:57,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:57,854 INFO L276 IsEmpty]: Start isEmpty. Operand 3141 states and 6120 transitions. [2021-10-19 14:28:57,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:28:57,855 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:57,855 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:57,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2021-10-19 14:28:57,855 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:57,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:57,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1426420714, now seen corresponding path program 58 times [2021-10-19 14:28:57,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:57,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219057206] [2021-10-19 14:28:57,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:57,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:58,073 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 14:28:58,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:58,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219057206] [2021-10-19 14:28:58,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219057206] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:58,073 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:58,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:58,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871897104] [2021-10-19 14:28:58,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:58,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:58,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:58,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:58,074 INFO L87 Difference]: Start difference. First operand 3141 states and 6120 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:00,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:00,578 INFO L93 Difference]: Finished difference Result 5815 states and 11203 transitions. [2021-10-19 14:29:00,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-19 14:29:00,579 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:00,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:00,584 INFO L225 Difference]: With dead ends: 5815 [2021-10-19 14:29:00,584 INFO L226 Difference]: Without dead ends: 5815 [2021-10-19 14:29:00,585 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1740 ImplicationChecksByTransitivity, 1090.6ms TimeCoverageRelationStatistics Valid=909, Invalid=5097, Unknown=0, NotChecked=0, Total=6006 [2021-10-19 14:29:00,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5815 states. [2021-10-19 14:29:00,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5815 to 3139. [2021-10-19 14:29:00,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3139 states, 3127 states have (on average 1.9558682443236328) internal successors, (6116), 3138 states have internal predecessors, (6116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:00,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3139 states to 3139 states and 6116 transitions. [2021-10-19 14:29:00,615 INFO L78 Accepts]: Start accepts. Automaton has 3139 states and 6116 transitions. Word has length 123 [2021-10-19 14:29:00,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:00,615 INFO L470 AbstractCegarLoop]: Abstraction has 3139 states and 6116 transitions. [2021-10-19 14:29:00,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:00,615 INFO L276 IsEmpty]: Start isEmpty. Operand 3139 states and 6116 transitions. [2021-10-19 14:29:00,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:00,616 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:00,617 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:00,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-10-19 14:29:00,617 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:00,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:00,617 INFO L82 PathProgramCache]: Analyzing trace with hash -2102837876, now seen corresponding path program 59 times [2021-10-19 14:29:00,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:00,617 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272461504] [2021-10-19 14:29:00,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:00,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:00,811 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 14:29:00,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:00,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272461504] [2021-10-19 14:29:00,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272461504] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:00,811 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:00,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:00,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975494732] [2021-10-19 14:29:00,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:00,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:00,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:00,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:00,812 INFO L87 Difference]: Start difference. First operand 3139 states and 6116 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:03,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:03,430 INFO L93 Difference]: Finished difference Result 5809 states and 11195 transitions. [2021-10-19 14:29:03,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-19 14:29:03,431 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:03,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:03,435 INFO L225 Difference]: With dead ends: 5809 [2021-10-19 14:29:03,435 INFO L226 Difference]: Without dead ends: 5809 [2021-10-19 14:29:03,436 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1676 ImplicationChecksByTransitivity, 1056.3ms TimeCoverageRelationStatistics Valid=874, Invalid=4978, Unknown=0, NotChecked=0, Total=5852 [2021-10-19 14:29:03,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5809 states. [2021-10-19 14:29:03,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5809 to 3151. [2021-10-19 14:29:03,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3151 states, 3139 states have (on average 1.9563555272379738) internal successors, (6141), 3150 states have internal predecessors, (6141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:03,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3151 states to 3151 states and 6141 transitions. [2021-10-19 14:29:03,464 INFO L78 Accepts]: Start accepts. Automaton has 3151 states and 6141 transitions. Word has length 123 [2021-10-19 14:29:03,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:03,465 INFO L470 AbstractCegarLoop]: Abstraction has 3151 states and 6141 transitions. [2021-10-19 14:29:03,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:03,465 INFO L276 IsEmpty]: Start isEmpty. Operand 3151 states and 6141 transitions. [2021-10-19 14:29:03,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:03,466 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:03,466 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:03,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2021-10-19 14:29:03,466 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:03,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:03,466 INFO L82 PathProgramCache]: Analyzing trace with hash 829899742, now seen corresponding path program 60 times [2021-10-19 14:29:03,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:03,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232852556] [2021-10-19 14:29:03,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:03,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:03,676 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 14:29:03,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:03,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232852556] [2021-10-19 14:29:03,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232852556] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:03,677 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:03,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:03,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782355374] [2021-10-19 14:29:03,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:03,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:03,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:03,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:03,677 INFO L87 Difference]: Start difference. First operand 3151 states and 6141 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:05,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:05,567 INFO L93 Difference]: Finished difference Result 5625 states and 10839 transitions. [2021-10-19 14:29:05,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-19 14:29:05,568 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:05,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:05,573 INFO L225 Difference]: With dead ends: 5625 [2021-10-19 14:29:05,573 INFO L226 Difference]: Without dead ends: 5625 [2021-10-19 14:29:05,573 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1283 ImplicationChecksByTransitivity, 694.3ms TimeCoverageRelationStatistics Valid=640, Invalid=3916, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:29:05,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5625 states. [2021-10-19 14:29:05,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5625 to 3157. [2021-10-19 14:29:05,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3157 states, 3145 states have (on average 1.9564387917329094) internal successors, (6153), 3156 states have internal predecessors, (6153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:05,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3157 states to 3157 states and 6153 transitions. [2021-10-19 14:29:05,603 INFO L78 Accepts]: Start accepts. Automaton has 3157 states and 6153 transitions. Word has length 123 [2021-10-19 14:29:05,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:05,603 INFO L470 AbstractCegarLoop]: Abstraction has 3157 states and 6153 transitions. [2021-10-19 14:29:05,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:05,604 INFO L276 IsEmpty]: Start isEmpty. Operand 3157 states and 6153 transitions. [2021-10-19 14:29:05,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:05,605 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:05,605 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:05,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-10-19 14:29:05,605 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:05,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:05,605 INFO L82 PathProgramCache]: Analyzing trace with hash 923007010, now seen corresponding path program 61 times [2021-10-19 14:29:05,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:05,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748821037] [2021-10-19 14:29:05,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:05,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:05,825 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 14:29:05,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:05,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748821037] [2021-10-19 14:29:05,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748821037] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:05,825 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:05,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:05,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436799516] [2021-10-19 14:29:05,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:05,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:05,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:05,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:05,826 INFO L87 Difference]: Start difference. First operand 3157 states and 6153 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:08,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:08,084 INFO L93 Difference]: Finished difference Result 5783 states and 11145 transitions. [2021-10-19 14:29:08,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-19 14:29:08,084 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:08,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:08,091 INFO L225 Difference]: With dead ends: 5783 [2021-10-19 14:29:08,091 INFO L226 Difference]: Without dead ends: 5783 [2021-10-19 14:29:08,091 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1383 ImplicationChecksByTransitivity, 849.3ms TimeCoverageRelationStatistics Valid=673, Invalid=4157, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:29:08,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5783 states. [2021-10-19 14:29:08,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5783 to 3155. [2021-10-19 14:29:08,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3155 states, 3143 states have (on average 1.9564110722239898) internal successors, (6149), 3154 states have internal predecessors, (6149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:08,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3155 states to 3155 states and 6149 transitions. [2021-10-19 14:29:08,125 INFO L78 Accepts]: Start accepts. Automaton has 3155 states and 6149 transitions. Word has length 123 [2021-10-19 14:29:08,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:08,125 INFO L470 AbstractCegarLoop]: Abstraction has 3155 states and 6149 transitions. [2021-10-19 14:29:08,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:08,126 INFO L276 IsEmpty]: Start isEmpty. Operand 3155 states and 6149 transitions. [2021-10-19 14:29:08,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:08,126 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:08,127 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:08,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-10-19 14:29:08,127 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:08,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:08,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1601271646, now seen corresponding path program 62 times [2021-10-19 14:29:08,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:08,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839666537] [2021-10-19 14:29:08,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:08,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:08,328 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 14:29:08,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:08,328 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839666537] [2021-10-19 14:29:08,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839666537] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:08,328 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:08,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:08,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613546946] [2021-10-19 14:29:08,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:08,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:08,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:08,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:08,329 INFO L87 Difference]: Start difference. First operand 3155 states and 6149 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:10,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:10,441 INFO L93 Difference]: Finished difference Result 5871 states and 11321 transitions. [2021-10-19 14:29:10,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-19 14:29:10,441 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:10,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:10,446 INFO L225 Difference]: With dead ends: 5871 [2021-10-19 14:29:10,446 INFO L226 Difference]: Without dead ends: 5871 [2021-10-19 14:29:10,446 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1450 ImplicationChecksByTransitivity, 785.4ms TimeCoverageRelationStatistics Valid=750, Invalid=4362, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:29:10,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5871 states. [2021-10-19 14:29:10,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5871 to 3153. [2021-10-19 14:29:10,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3153 states, 3141 states have (on average 1.956383317414836) internal successors, (6145), 3152 states have internal predecessors, (6145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:10,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3153 states to 3153 states and 6145 transitions. [2021-10-19 14:29:10,475 INFO L78 Accepts]: Start accepts. Automaton has 3153 states and 6145 transitions. Word has length 123 [2021-10-19 14:29:10,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:10,475 INFO L470 AbstractCegarLoop]: Abstraction has 3153 states and 6145 transitions. [2021-10-19 14:29:10,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:10,475 INFO L276 IsEmpty]: Start isEmpty. Operand 3153 states and 6145 transitions. [2021-10-19 14:29:10,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:10,476 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:10,476 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:10,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2021-10-19 14:29:10,476 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:10,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:10,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1927986944, now seen corresponding path program 63 times [2021-10-19 14:29:10,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:10,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89247481] [2021-10-19 14:29:10,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:10,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:10,663 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 14:29:10,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:10,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89247481] [2021-10-19 14:29:10,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89247481] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:10,663 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:10,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:10,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173939668] [2021-10-19 14:29:10,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:10,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:10,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:10,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:10,664 INFO L87 Difference]: Start difference. First operand 3153 states and 6145 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:12,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:12,961 INFO L93 Difference]: Finished difference Result 5959 states and 11497 transitions. [2021-10-19 14:29:12,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-10-19 14:29:12,962 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:12,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:12,968 INFO L225 Difference]: With dead ends: 5959 [2021-10-19 14:29:12,968 INFO L226 Difference]: Without dead ends: 5959 [2021-10-19 14:29:12,968 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1565 ImplicationChecksByTransitivity, 883.5ms TimeCoverageRelationStatistics Valid=777, Invalid=4625, Unknown=0, NotChecked=0, Total=5402 [2021-10-19 14:29:12,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5959 states. [2021-10-19 14:29:12,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5959 to 3151. [2021-10-19 14:29:12,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3151 states, 3139 states have (on average 1.9563555272379738) internal successors, (6141), 3150 states have internal predecessors, (6141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:13,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3151 states to 3151 states and 6141 transitions. [2021-10-19 14:29:13,002 INFO L78 Accepts]: Start accepts. Automaton has 3151 states and 6141 transitions. Word has length 123 [2021-10-19 14:29:13,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:13,002 INFO L470 AbstractCegarLoop]: Abstraction has 3151 states and 6141 transitions. [2021-10-19 14:29:13,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:13,002 INFO L276 IsEmpty]: Start isEmpty. Operand 3151 states and 6141 transitions. [2021-10-19 14:29:13,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:13,003 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:13,003 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:13,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-10-19 14:29:13,003 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:13,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:13,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1845826844, now seen corresponding path program 45 times [2021-10-19 14:29:13,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:13,004 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041662384] [2021-10-19 14:29:13,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:13,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:13,201 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 14:29:13,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:13,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041662384] [2021-10-19 14:29:13,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041662384] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:13,201 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:13,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:13,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817870061] [2021-10-19 14:29:13,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:13,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:13,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:13,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:13,202 INFO L87 Difference]: Start difference. First operand 3151 states and 6141 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:14,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:14,629 INFO L93 Difference]: Finished difference Result 4484 states and 8711 transitions. [2021-10-19 14:29:14,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-19 14:29:14,629 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:14,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:14,634 INFO L225 Difference]: With dead ends: 4484 [2021-10-19 14:29:14,634 INFO L226 Difference]: Without dead ends: 4484 [2021-10-19 14:29:14,634 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1206 ImplicationChecksByTransitivity, 616.9ms TimeCoverageRelationStatistics Valid=640, Invalid=3520, Unknown=0, NotChecked=0, Total=4160 [2021-10-19 14:29:14,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4484 states. [2021-10-19 14:29:14,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4484 to 3158. [2021-10-19 14:29:14,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3158 states, 3146 states have (on average 1.9554990464081372) internal successors, (6152), 3157 states have internal predecessors, (6152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:14,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3158 states to 3158 states and 6152 transitions. [2021-10-19 14:29:14,669 INFO L78 Accepts]: Start accepts. Automaton has 3158 states and 6152 transitions. Word has length 123 [2021-10-19 14:29:14,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:14,669 INFO L470 AbstractCegarLoop]: Abstraction has 3158 states and 6152 transitions. [2021-10-19 14:29:14,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:14,669 INFO L276 IsEmpty]: Start isEmpty. Operand 3158 states and 6152 transitions. [2021-10-19 14:29:14,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:14,670 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:14,670 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:14,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2021-10-19 14:29:14,670 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:14,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:14,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1126538832, now seen corresponding path program 64 times [2021-10-19 14:29:14,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:14,671 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915464122] [2021-10-19 14:29:14,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:14,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:14,852 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 14:29:14,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:14,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915464122] [2021-10-19 14:29:14,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915464122] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:14,853 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:14,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:14,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036791042] [2021-10-19 14:29:14,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:14,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:14,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:14,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:14,853 INFO L87 Difference]: Start difference. First operand 3158 states and 6152 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:16,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:16,920 INFO L93 Difference]: Finished difference Result 5059 states and 9784 transitions. [2021-10-19 14:29:16,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-19 14:29:16,920 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:16,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:16,926 INFO L225 Difference]: With dead ends: 5059 [2021-10-19 14:29:16,926 INFO L226 Difference]: Without dead ends: 5059 [2021-10-19 14:29:16,927 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1355 ImplicationChecksByTransitivity, 722.6ms TimeCoverageRelationStatistics Valid=689, Invalid=4141, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:29:16,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5059 states. [2021-10-19 14:29:16,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5059 to 3062. [2021-10-19 14:29:16,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3062 states, 3050 states have (on average 1.9540983606557376) internal successors, (5960), 3061 states have internal predecessors, (5960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:16,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 5960 transitions. [2021-10-19 14:29:16,956 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 5960 transitions. Word has length 123 [2021-10-19 14:29:16,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:16,956 INFO L470 AbstractCegarLoop]: Abstraction has 3062 states and 5960 transitions. [2021-10-19 14:29:16,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:16,956 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 5960 transitions. [2021-10-19 14:29:16,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:16,957 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:16,957 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:16,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2021-10-19 14:29:16,957 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:16,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:16,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1314794422, now seen corresponding path program 65 times [2021-10-19 14:29:16,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:16,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048227044] [2021-10-19 14:29:16,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:16,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:17,193 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 14:29:17,193 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:17,193 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048227044] [2021-10-19 14:29:17,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048227044] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:17,193 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:17,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:17,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894605855] [2021-10-19 14:29:17,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:17,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:17,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:17,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:17,194 INFO L87 Difference]: Start difference. First operand 3062 states and 5960 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:18,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:18,425 INFO L93 Difference]: Finished difference Result 3945 states and 7617 transitions. [2021-10-19 14:29:18,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-19 14:29:18,425 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:18,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:18,430 INFO L225 Difference]: With dead ends: 3945 [2021-10-19 14:29:18,430 INFO L226 Difference]: Without dead ends: 3945 [2021-10-19 14:29:18,430 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 815 ImplicationChecksByTransitivity, 723.0ms TimeCoverageRelationStatistics Valid=499, Invalid=2807, Unknown=0, NotChecked=0, Total=3306 [2021-10-19 14:29:18,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3945 states. [2021-10-19 14:29:18,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3945 to 3068. [2021-10-19 14:29:18,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3068 states, 3056 states have (on average 1.9541884816753927) internal successors, (5972), 3067 states have internal predecessors, (5972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:18,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3068 states to 3068 states and 5972 transitions. [2021-10-19 14:29:18,454 INFO L78 Accepts]: Start accepts. Automaton has 3068 states and 5972 transitions. Word has length 123 [2021-10-19 14:29:18,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:18,454 INFO L470 AbstractCegarLoop]: Abstraction has 3068 states and 5972 transitions. [2021-10-19 14:29:18,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:18,454 INFO L276 IsEmpty]: Start isEmpty. Operand 3068 states and 5972 transitions. [2021-10-19 14:29:18,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:18,455 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:18,455 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:18,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2021-10-19 14:29:18,456 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:18,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:18,456 INFO L82 PathProgramCache]: Analyzing trace with hash 504125450, now seen corresponding path program 66 times [2021-10-19 14:29:18,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:18,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741005807] [2021-10-19 14:29:18,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:18,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:18,700 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 14:29:18,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:18,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741005807] [2021-10-19 14:29:18,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741005807] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:18,700 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:18,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:18,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303390135] [2021-10-19 14:29:18,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:18,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:18,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:18,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:18,701 INFO L87 Difference]: Start difference. First operand 3068 states and 5972 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:20,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:20,291 INFO L93 Difference]: Finished difference Result 4023 states and 7769 transitions. [2021-10-19 14:29:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:29:20,291 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:20,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:20,295 INFO L225 Difference]: With dead ends: 4023 [2021-10-19 14:29:20,295 INFO L226 Difference]: Without dead ends: 4023 [2021-10-19 14:29:20,296 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 945 ImplicationChecksByTransitivity, 855.8ms TimeCoverageRelationStatistics Valid=536, Invalid=3124, Unknown=0, NotChecked=0, Total=3660 [2021-10-19 14:29:20,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4023 states. [2021-10-19 14:29:20,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4023 to 3070. [2021-10-19 14:29:20,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3070 states, 3058 states have (on average 1.9542184434270766) internal successors, (5976), 3069 states have internal predecessors, (5976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:20,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3070 states to 3070 states and 5976 transitions. [2021-10-19 14:29:20,330 INFO L78 Accepts]: Start accepts. Automaton has 3070 states and 5976 transitions. Word has length 123 [2021-10-19 14:29:20,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:20,330 INFO L470 AbstractCegarLoop]: Abstraction has 3070 states and 5976 transitions. [2021-10-19 14:29:20,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:20,331 INFO L276 IsEmpty]: Start isEmpty. Operand 3070 states and 5976 transitions. [2021-10-19 14:29:20,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:20,332 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:20,332 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:20,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2021-10-19 14:29:20,332 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:20,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:20,332 INFO L82 PathProgramCache]: Analyzing trace with hash 597232718, now seen corresponding path program 67 times [2021-10-19 14:29:20,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:20,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515162189] [2021-10-19 14:29:20,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:20,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:20,556 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 14:29:20,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:20,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515162189] [2021-10-19 14:29:20,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515162189] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:20,557 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:20,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:20,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833851802] [2021-10-19 14:29:20,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:20,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:20,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:20,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:20,563 INFO L87 Difference]: Start difference. First operand 3070 states and 5976 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:22,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:22,484 INFO L93 Difference]: Finished difference Result 4060 states and 7842 transitions. [2021-10-19 14:29:22,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-19 14:29:22,485 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:22,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:22,488 INFO L225 Difference]: With dead ends: 4060 [2021-10-19 14:29:22,488 INFO L226 Difference]: Without dead ends: 4060 [2021-10-19 14:29:22,489 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 988 ImplicationChecksByTransitivity, 939.0ms TimeCoverageRelationStatistics Valid=547, Invalid=3235, Unknown=0, NotChecked=0, Total=3782 [2021-10-19 14:29:22,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4060 states. [2021-10-19 14:29:22,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4060 to 3065. [2021-10-19 14:29:22,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3065 states, 3053 states have (on average 1.9541434654438257) internal successors, (5966), 3064 states have internal predecessors, (5966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:22,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3065 states to 3065 states and 5966 transitions. [2021-10-19 14:29:22,512 INFO L78 Accepts]: Start accepts. Automaton has 3065 states and 5966 transitions. Word has length 123 [2021-10-19 14:29:22,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:22,512 INFO L470 AbstractCegarLoop]: Abstraction has 3065 states and 5966 transitions. [2021-10-19 14:29:22,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:22,512 INFO L276 IsEmpty]: Start isEmpty. Operand 3065 states and 5966 transitions. [2021-10-19 14:29:22,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:22,513 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:22,513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:22,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2021-10-19 14:29:22,513 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:22,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:22,513 INFO L82 PathProgramCache]: Analyzing trace with hash 590073736, now seen corresponding path program 68 times [2021-10-19 14:29:22,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:22,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136993358] [2021-10-19 14:29:22,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:22,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:22,762 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 14:29:22,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:22,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136993358] [2021-10-19 14:29:22,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136993358] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:22,763 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:22,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:22,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564662856] [2021-10-19 14:29:22,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:22,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:22,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:22,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:22,764 INFO L87 Difference]: Start difference. First operand 3065 states and 5966 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:24,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:24,330 INFO L93 Difference]: Finished difference Result 3939 states and 7607 transitions. [2021-10-19 14:29:24,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-19 14:29:24,330 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:24,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:24,334 INFO L225 Difference]: With dead ends: 3939 [2021-10-19 14:29:24,334 INFO L226 Difference]: Without dead ends: 3939 [2021-10-19 14:29:24,334 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 870 ImplicationChecksByTransitivity, 854.7ms TimeCoverageRelationStatistics Valid=485, Invalid=2937, Unknown=0, NotChecked=0, Total=3422 [2021-10-19 14:29:24,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3939 states. [2021-10-19 14:29:24,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3939 to 3069. [2021-10-19 14:29:24,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3069 states, 3057 states have (on average 1.95420346745175) internal successors, (5974), 3068 states have internal predecessors, (5974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:24,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3069 states to 3069 states and 5974 transitions. [2021-10-19 14:29:24,357 INFO L78 Accepts]: Start accepts. Automaton has 3069 states and 5974 transitions. Word has length 123 [2021-10-19 14:29:24,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:24,358 INFO L470 AbstractCegarLoop]: Abstraction has 3069 states and 5974 transitions. [2021-10-19 14:29:24,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:24,358 INFO L276 IsEmpty]: Start isEmpty. Operand 3069 states and 5974 transitions. [2021-10-19 14:29:24,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:24,359 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:24,359 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:24,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2021-10-19 14:29:24,359 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:24,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:24,359 INFO L82 PathProgramCache]: Analyzing trace with hash 683181004, now seen corresponding path program 69 times [2021-10-19 14:29:24,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:24,359 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36556331] [2021-10-19 14:29:24,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:24,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:24,579 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 14:29:24,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:24,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36556331] [2021-10-19 14:29:24,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36556331] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:24,579 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:24,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:24,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477525575] [2021-10-19 14:29:24,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:24,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:24,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:24,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:24,580 INFO L87 Difference]: Start difference. First operand 3069 states and 5974 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:26,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:26,399 INFO L93 Difference]: Finished difference Result 4052 states and 7828 transitions. [2021-10-19 14:29:26,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:29:26,399 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:26,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:26,403 INFO L225 Difference]: With dead ends: 4052 [2021-10-19 14:29:26,403 INFO L226 Difference]: Without dead ends: 4052 [2021-10-19 14:29:26,404 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 955 ImplicationChecksByTransitivity, 900.6ms TimeCoverageRelationStatistics Valid=508, Invalid=3152, Unknown=0, NotChecked=0, Total=3660 [2021-10-19 14:29:26,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4052 states. [2021-10-19 14:29:26,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4052 to 3067. [2021-10-19 14:29:26,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3067 states, 3055 states have (on average 1.9541734860883797) internal successors, (5970), 3066 states have internal predecessors, (5970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:26,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3067 states to 3067 states and 5970 transitions. [2021-10-19 14:29:26,428 INFO L78 Accepts]: Start accepts. Automaton has 3067 states and 5970 transitions. Word has length 123 [2021-10-19 14:29:26,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:26,428 INFO L470 AbstractCegarLoop]: Abstraction has 3067 states and 5970 transitions. [2021-10-19 14:29:26,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:26,428 INFO L276 IsEmpty]: Start isEmpty. Operand 3067 states and 5970 transitions. [2021-10-19 14:29:26,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:26,429 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:26,429 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:26,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2021-10-19 14:29:26,429 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:26,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:26,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1361445640, now seen corresponding path program 70 times [2021-10-19 14:29:26,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:26,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396188743] [2021-10-19 14:29:26,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:26,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:26,633 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 14:29:26,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:26,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396188743] [2021-10-19 14:29:26,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396188743] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:26,634 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:26,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:26,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021853447] [2021-10-19 14:29:26,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:26,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:26,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:26,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:26,634 INFO L87 Difference]: Start difference. First operand 3067 states and 5970 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:28,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:28,318 INFO L93 Difference]: Finished difference Result 4114 states and 7956 transitions. [2021-10-19 14:29:28,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-19 14:29:28,319 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:28,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:28,323 INFO L225 Difference]: With dead ends: 4114 [2021-10-19 14:29:28,323 INFO L226 Difference]: Without dead ends: 4114 [2021-10-19 14:29:28,324 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1230 ImplicationChecksByTransitivity, 824.1ms TimeCoverageRelationStatistics Valid=709, Invalid=3847, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:29:28,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4114 states. [2021-10-19 14:29:28,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4114 to 3063. [2021-10-19 14:29:28,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3063 states, 3051 states have (on average 1.9541134054408391) internal successors, (5962), 3062 states have internal predecessors, (5962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:28,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3063 states to 3063 states and 5962 transitions. [2021-10-19 14:29:28,348 INFO L78 Accepts]: Start accepts. Automaton has 3063 states and 5962 transitions. Word has length 123 [2021-10-19 14:29:28,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:28,348 INFO L470 AbstractCegarLoop]: Abstraction has 3063 states and 5962 transitions. [2021-10-19 14:29:28,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:28,348 INFO L276 IsEmpty]: Start isEmpty. Operand 3063 states and 5962 transitions. [2021-10-19 14:29:28,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:28,349 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:28,349 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:28,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-10-19 14:29:28,349 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:28,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:28,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1894670466, now seen corresponding path program 71 times [2021-10-19 14:29:28,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:28,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212854417] [2021-10-19 14:29:28,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:28,350 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:28,574 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 14:29:28,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:28,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212854417] [2021-10-19 14:29:28,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212854417] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:28,575 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:28,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:28,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700246398] [2021-10-19 14:29:28,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:28,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:28,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:28,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:28,575 INFO L87 Difference]: Start difference. First operand 3063 states and 5962 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:29,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:29,929 INFO L93 Difference]: Finished difference Result 3935 states and 7597 transitions. [2021-10-19 14:29:29,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:29:29,930 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:29,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:29,934 INFO L225 Difference]: With dead ends: 3935 [2021-10-19 14:29:29,934 INFO L226 Difference]: Without dead ends: 3935 [2021-10-19 14:29:29,934 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 889 ImplicationChecksByTransitivity, 727.2ms TimeCoverageRelationStatistics Valid=544, Invalid=2996, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:29:29,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3935 states. [2021-10-19 14:29:29,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3935 to 3063. [2021-10-19 14:29:29,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3063 states, 3051 states have (on average 1.9541134054408391) internal successors, (5962), 3062 states have internal predecessors, (5962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:29,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3063 states to 3063 states and 5962 transitions. [2021-10-19 14:29:29,957 INFO L78 Accepts]: Start accepts. Automaton has 3063 states and 5962 transitions. Word has length 123 [2021-10-19 14:29:29,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:29,957 INFO L470 AbstractCegarLoop]: Abstraction has 3063 states and 5962 transitions. [2021-10-19 14:29:29,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:29,957 INFO L276 IsEmpty]: Start isEmpty. Operand 3063 states and 5962 transitions. [2021-10-19 14:29:29,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:29,958 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:29,958 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:29,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-10-19 14:29:29,959 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:29,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:29,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1084001494, now seen corresponding path program 72 times [2021-10-19 14:29:29,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:29,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884412821] [2021-10-19 14:29:29,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:29,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:30,179 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 14:29:30,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:30,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884412821] [2021-10-19 14:29:30,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884412821] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:30,180 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:30,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:30,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096901140] [2021-10-19 14:29:30,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:30,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:30,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:30,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:30,180 INFO L87 Difference]: Start difference. First operand 3063 states and 5962 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:31,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:31,856 INFO L93 Difference]: Finished difference Result 4013 states and 7749 transitions. [2021-10-19 14:29:31,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-19 14:29:31,856 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:31,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:31,860 INFO L225 Difference]: With dead ends: 4013 [2021-10-19 14:29:31,861 INFO L226 Difference]: Without dead ends: 4013 [2021-10-19 14:29:31,861 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1022 ImplicationChecksByTransitivity, 873.2ms TimeCoverageRelationStatistics Valid=586, Invalid=3320, Unknown=0, NotChecked=0, Total=3906 [2021-10-19 14:29:31,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4013 states. [2021-10-19 14:29:31,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4013 to 3065. [2021-10-19 14:29:31,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3065 states, 3053 states have (on average 1.9541434654438257) internal successors, (5966), 3064 states have internal predecessors, (5966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:31,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3065 states to 3065 states and 5966 transitions. [2021-10-19 14:29:31,885 INFO L78 Accepts]: Start accepts. Automaton has 3065 states and 5966 transitions. Word has length 123 [2021-10-19 14:29:31,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:31,885 INFO L470 AbstractCegarLoop]: Abstraction has 3065 states and 5966 transitions. [2021-10-19 14:29:31,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:31,885 INFO L276 IsEmpty]: Start isEmpty. Operand 3065 states and 5966 transitions. [2021-10-19 14:29:31,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:31,886 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:31,886 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:31,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-10-19 14:29:31,886 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:31,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:31,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1177108762, now seen corresponding path program 73 times [2021-10-19 14:29:31,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:31,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643358735] [2021-10-19 14:29:31,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:31,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:32,115 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 14:29:32,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:32,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643358735] [2021-10-19 14:29:32,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643358735] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:32,115 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:32,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:32,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332486102] [2021-10-19 14:29:32,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:32,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:32,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:32,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:32,116 INFO L87 Difference]: Start difference. First operand 3065 states and 5966 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:33,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:33,944 INFO L93 Difference]: Finished difference Result 4050 states and 7822 transitions. [2021-10-19 14:29:33,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-10-19 14:29:33,944 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:33,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:33,948 INFO L225 Difference]: With dead ends: 4050 [2021-10-19 14:29:33,948 INFO L226 Difference]: Without dead ends: 4050 [2021-10-19 14:29:33,949 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1066 ImplicationChecksByTransitivity, 910.4ms TimeCoverageRelationStatistics Valid=600, Invalid=3432, Unknown=0, NotChecked=0, Total=4032 [2021-10-19 14:29:33,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4050 states. [2021-10-19 14:29:33,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4050 to 3060. [2021-10-19 14:29:33,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3060 states, 3048 states have (on average 1.9540682414698163) internal successors, (5956), 3059 states have internal predecessors, (5956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:33,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 3060 states and 5956 transitions. [2021-10-19 14:29:33,983 INFO L78 Accepts]: Start accepts. Automaton has 3060 states and 5956 transitions. Word has length 123 [2021-10-19 14:29:33,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:33,983 INFO L470 AbstractCegarLoop]: Abstraction has 3060 states and 5956 transitions. [2021-10-19 14:29:33,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:33,984 INFO L276 IsEmpty]: Start isEmpty. Operand 3060 states and 5956 transitions. [2021-10-19 14:29:33,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:33,984 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:33,985 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:33,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2021-10-19 14:29:33,985 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:33,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:33,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1169949780, now seen corresponding path program 74 times [2021-10-19 14:29:33,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:33,985 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139556712] [2021-10-19 14:29:33,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:33,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:34,203 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 14:29:34,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:34,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139556712] [2021-10-19 14:29:34,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139556712] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:34,203 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:34,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:34,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916647217] [2021-10-19 14:29:34,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:34,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:34,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:34,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:34,204 INFO L87 Difference]: Start difference. First operand 3060 states and 5956 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:35,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:35,768 INFO L93 Difference]: Finished difference Result 3995 states and 7713 transitions. [2021-10-19 14:29:35,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-19 14:29:35,768 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:35,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:35,772 INFO L225 Difference]: With dead ends: 3995 [2021-10-19 14:29:35,772 INFO L226 Difference]: Without dead ends: 3995 [2021-10-19 14:29:35,772 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 989 ImplicationChecksByTransitivity, 833.4ms TimeCoverageRelationStatistics Valid=550, Invalid=3232, Unknown=0, NotChecked=0, Total=3782 [2021-10-19 14:29:35,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3995 states. [2021-10-19 14:29:35,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3995 to 3064. [2021-10-19 14:29:35,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3064 states, 3052 states have (on average 1.9541284403669725) internal successors, (5964), 3063 states have internal predecessors, (5964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:35,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3064 states to 3064 states and 5964 transitions. [2021-10-19 14:29:35,796 INFO L78 Accepts]: Start accepts. Automaton has 3064 states and 5964 transitions. Word has length 123 [2021-10-19 14:29:35,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:35,796 INFO L470 AbstractCegarLoop]: Abstraction has 3064 states and 5964 transitions. [2021-10-19 14:29:35,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:35,796 INFO L276 IsEmpty]: Start isEmpty. Operand 3064 states and 5964 transitions. [2021-10-19 14:29:35,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:35,797 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:35,797 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:35,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2021-10-19 14:29:35,797 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:35,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:35,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1263057048, now seen corresponding path program 75 times [2021-10-19 14:29:35,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:35,797 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175108209] [2021-10-19 14:29:35,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:35,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:36,051 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 14:29:36,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:36,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175108209] [2021-10-19 14:29:36,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175108209] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:36,052 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:36,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:36,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164314851] [2021-10-19 14:29:36,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:36,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:36,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:36,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:36,052 INFO L87 Difference]: Start difference. First operand 3064 states and 5964 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:37,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:37,872 INFO L93 Difference]: Finished difference Result 4108 states and 7934 transitions. [2021-10-19 14:29:37,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-10-19 14:29:37,872 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:37,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:37,876 INFO L225 Difference]: With dead ends: 4108 [2021-10-19 14:29:37,876 INFO L226 Difference]: Without dead ends: 4108 [2021-10-19 14:29:37,876 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1078 ImplicationChecksByTransitivity, 961.6ms TimeCoverageRelationStatistics Valid=580, Invalid=3452, Unknown=0, NotChecked=0, Total=4032 [2021-10-19 14:29:37,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4108 states. [2021-10-19 14:29:37,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4108 to 3062. [2021-10-19 14:29:37,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3062 states, 3050 states have (on average 1.9540983606557376) internal successors, (5960), 3061 states have internal predecessors, (5960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:37,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 5960 transitions. [2021-10-19 14:29:37,900 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 5960 transitions. Word has length 123 [2021-10-19 14:29:37,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:37,900 INFO L470 AbstractCegarLoop]: Abstraction has 3062 states and 5960 transitions. [2021-10-19 14:29:37,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:37,900 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 5960 transitions. [2021-10-19 14:29:37,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:37,901 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:37,901 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:37,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2021-10-19 14:29:37,901 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:37,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:37,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1941321684, now seen corresponding path program 76 times [2021-10-19 14:29:37,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:37,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318014117] [2021-10-19 14:29:37,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:37,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:38,101 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 14:29:38,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:38,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318014117] [2021-10-19 14:29:38,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318014117] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:38,102 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:38,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:38,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797597451] [2021-10-19 14:29:38,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:38,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:38,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:38,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:38,102 INFO L87 Difference]: Start difference. First operand 3062 states and 5960 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:39,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:39,996 INFO L93 Difference]: Finished difference Result 4171 states and 8064 transitions. [2021-10-19 14:29:39,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:29:39,996 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:39,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:40,000 INFO L225 Difference]: With dead ends: 4171 [2021-10-19 14:29:40,000 INFO L226 Difference]: Without dead ends: 4171 [2021-10-19 14:29:40,001 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1477 ImplicationChecksByTransitivity, 955.1ms TimeCoverageRelationStatistics Valid=829, Invalid=4427, Unknown=0, NotChecked=0, Total=5256 [2021-10-19 14:29:40,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4171 states. [2021-10-19 14:29:40,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4171 to 3057. [2021-10-19 14:29:40,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3057 states, 3045 states have (on average 1.9540229885057472) internal successors, (5950), 3056 states have internal predecessors, (5950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:40,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 3057 states and 5950 transitions. [2021-10-19 14:29:40,027 INFO L78 Accepts]: Start accepts. Automaton has 3057 states and 5950 transitions. Word has length 123 [2021-10-19 14:29:40,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:40,027 INFO L470 AbstractCegarLoop]: Abstraction has 3057 states and 5950 transitions. [2021-10-19 14:29:40,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:40,028 INFO L276 IsEmpty]: Start isEmpty. Operand 3057 states and 5950 transitions. [2021-10-19 14:29:40,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:40,029 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:40,029 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:40,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2021-10-19 14:29:40,029 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:40,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:40,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1526405172, now seen corresponding path program 77 times [2021-10-19 14:29:40,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:40,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510508540] [2021-10-19 14:29:40,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:40,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:40,260 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 14:29:40,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:40,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510508540] [2021-10-19 14:29:40,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510508540] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:40,261 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:40,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:40,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836852711] [2021-10-19 14:29:40,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:40,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:40,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:40,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:40,261 INFO L87 Difference]: Start difference. First operand 3057 states and 5950 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:41,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:41,789 INFO L93 Difference]: Finished difference Result 3908 states and 7545 transitions. [2021-10-19 14:29:41,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-19 14:29:41,789 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:41,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:41,793 INFO L225 Difference]: With dead ends: 3908 [2021-10-19 14:29:41,793 INFO L226 Difference]: Without dead ends: 3908 [2021-10-19 14:29:41,794 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 908 ImplicationChecksByTransitivity, 779.6ms TimeCoverageRelationStatistics Valid=500, Invalid=3040, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:29:41,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3908 states. [2021-10-19 14:29:41,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3908 to 3057. [2021-10-19 14:29:41,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3057 states, 3045 states have (on average 1.9540229885057472) internal successors, (5950), 3056 states have internal predecessors, (5950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:41,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 3057 states and 5950 transitions. [2021-10-19 14:29:41,817 INFO L78 Accepts]: Start accepts. Automaton has 3057 states and 5950 transitions. Word has length 123 [2021-10-19 14:29:41,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:41,817 INFO L470 AbstractCegarLoop]: Abstraction has 3057 states and 5950 transitions. [2021-10-19 14:29:41,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:41,817 INFO L276 IsEmpty]: Start isEmpty. Operand 3057 states and 5950 transitions. [2021-10-19 14:29:41,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:41,818 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:41,818 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:41,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2021-10-19 14:29:41,818 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:41,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:41,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1433297904, now seen corresponding path program 78 times [2021-10-19 14:29:41,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:41,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423889827] [2021-10-19 14:29:41,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:41,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:42,033 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 14:29:42,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:42,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423889827] [2021-10-19 14:29:42,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423889827] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:42,033 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:42,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:42,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347186549] [2021-10-19 14:29:42,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:42,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:42,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:42,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:42,034 INFO L87 Difference]: Start difference. First operand 3057 states and 5950 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:43,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:43,753 INFO L93 Difference]: Finished difference Result 4021 states and 7766 transitions. [2021-10-19 14:29:43,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-19 14:29:43,754 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:43,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:43,758 INFO L225 Difference]: With dead ends: 4021 [2021-10-19 14:29:43,758 INFO L226 Difference]: Without dead ends: 4021 [2021-10-19 14:29:43,759 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 993 ImplicationChecksByTransitivity, 845.0ms TimeCoverageRelationStatistics Valid=527, Invalid=3255, Unknown=0, NotChecked=0, Total=3782 [2021-10-19 14:29:43,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4021 states. [2021-10-19 14:29:43,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4021 to 3055. [2021-10-19 14:29:43,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3055 states, 3043 states have (on average 1.9539927702924744) internal successors, (5946), 3054 states have internal predecessors, (5946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:43,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3055 states to 3055 states and 5946 transitions. [2021-10-19 14:29:43,782 INFO L78 Accepts]: Start accepts. Automaton has 3055 states and 5946 transitions. Word has length 123 [2021-10-19 14:29:43,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:43,782 INFO L470 AbstractCegarLoop]: Abstraction has 3055 states and 5946 transitions. [2021-10-19 14:29:43,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:43,783 INFO L276 IsEmpty]: Start isEmpty. Operand 3055 states and 5946 transitions. [2021-10-19 14:29:43,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:43,784 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:43,784 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:43,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2021-10-19 14:29:43,784 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:43,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:43,784 INFO L82 PathProgramCache]: Analyzing trace with hash -755033268, now seen corresponding path program 79 times [2021-10-19 14:29:43,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:43,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571056988] [2021-10-19 14:29:43,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:43,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:43,990 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 14:29:43,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:43,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571056988] [2021-10-19 14:29:43,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571056988] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:43,990 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:43,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:43,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766234604] [2021-10-19 14:29:43,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:43,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:43,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:43,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:43,991 INFO L87 Difference]: Start difference. First operand 3055 states and 5946 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:45,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:45,899 INFO L93 Difference]: Finished difference Result 4146 states and 8016 transitions. [2021-10-19 14:29:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-10-19 14:29:45,900 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:45,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:45,904 INFO L225 Difference]: With dead ends: 4146 [2021-10-19 14:29:45,904 INFO L226 Difference]: Without dead ends: 4146 [2021-10-19 14:29:45,905 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1524 ImplicationChecksByTransitivity, 1070.8ms TimeCoverageRelationStatistics Valid=813, Invalid=4589, Unknown=0, NotChecked=0, Total=5402 [2021-10-19 14:29:45,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4146 states. [2021-10-19 14:29:45,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4146 to 3053. [2021-10-19 14:29:45,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3053 states, 3041 states have (on average 1.95396251233147) internal successors, (5942), 3052 states have internal predecessors, (5942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:45,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3053 states to 3053 states and 5942 transitions. [2021-10-19 14:29:45,939 INFO L78 Accepts]: Start accepts. Automaton has 3053 states and 5942 transitions. Word has length 123 [2021-10-19 14:29:45,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:45,939 INFO L470 AbstractCegarLoop]: Abstraction has 3053 states and 5942 transitions. [2021-10-19 14:29:45,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:45,939 INFO L276 IsEmpty]: Start isEmpty. Operand 3053 states and 5942 transitions. [2021-10-19 14:29:45,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:45,940 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:45,940 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:45,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2021-10-19 14:29:45,940 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:45,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:45,941 INFO L82 PathProgramCache]: Analyzing trace with hash 10675438, now seen corresponding path program 80 times [2021-10-19 14:29:45,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:45,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876567315] [2021-10-19 14:29:45,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:45,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:46,139 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 14:29:46,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:46,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876567315] [2021-10-19 14:29:46,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876567315] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:46,140 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:46,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:46,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805934118] [2021-10-19 14:29:46,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:46,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:46,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:46,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:46,140 INFO L87 Difference]: Start difference. First operand 3053 states and 5942 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:48,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:48,123 INFO L93 Difference]: Finished difference Result 4123 states and 7974 transitions. [2021-10-19 14:29:48,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:29:48,123 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:48,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:48,127 INFO L225 Difference]: With dead ends: 4123 [2021-10-19 14:29:48,127 INFO L226 Difference]: Without dead ends: 4123 [2021-10-19 14:29:48,127 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1468 ImplicationChecksByTransitivity, 1032.9ms TimeCoverageRelationStatistics Valid=780, Invalid=4476, Unknown=0, NotChecked=0, Total=5256 [2021-10-19 14:29:48,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4123 states. [2021-10-19 14:29:48,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4123 to 3024. [2021-10-19 14:29:48,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3024 states, 3012 states have (on average 1.953519256308101) internal successors, (5884), 3023 states have internal predecessors, (5884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:48,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 3024 states and 5884 transitions. [2021-10-19 14:29:48,151 INFO L78 Accepts]: Start accepts. Automaton has 3024 states and 5884 transitions. Word has length 123 [2021-10-19 14:29:48,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:48,151 INFO L470 AbstractCegarLoop]: Abstraction has 3024 states and 5884 transitions. [2021-10-19 14:29:48,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:48,151 INFO L276 IsEmpty]: Start isEmpty. Operand 3024 states and 5884 transitions. [2021-10-19 14:29:48,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:48,152 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:48,152 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:48,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2021-10-19 14:29:48,152 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:48,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:48,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1239702384, now seen corresponding path program 81 times [2021-10-19 14:29:48,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:48,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379943822] [2021-10-19 14:29:48,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:48,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:48,366 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 14:29:48,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:48,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379943822] [2021-10-19 14:29:48,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379943822] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:48,367 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:48,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:48,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473559412] [2021-10-19 14:29:48,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:48,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:48,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:48,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:48,368 INFO L87 Difference]: Start difference. First operand 3024 states and 5884 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:50,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:50,375 INFO L93 Difference]: Finished difference Result 6544 states and 12609 transitions. [2021-10-19 14:29:50,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-19 14:29:50,375 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:50,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:50,382 INFO L225 Difference]: With dead ends: 6544 [2021-10-19 14:29:50,382 INFO L226 Difference]: Without dead ends: 6544 [2021-10-19 14:29:50,383 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 533.8ms TimeCoverageRelationStatistics Valid=484, Invalid=2272, Unknown=0, NotChecked=0, Total=2756 [2021-10-19 14:29:50,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6544 states. [2021-10-19 14:29:50,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6544 to 3038. [2021-10-19 14:29:50,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3038 states, 3026 states have (on average 1.953734302709848) internal successors, (5912), 3037 states have internal predecessors, (5912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:50,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3038 states to 3038 states and 5912 transitions. [2021-10-19 14:29:50,414 INFO L78 Accepts]: Start accepts. Automaton has 3038 states and 5912 transitions. Word has length 123 [2021-10-19 14:29:50,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:50,414 INFO L470 AbstractCegarLoop]: Abstraction has 3038 states and 5912 transitions. [2021-10-19 14:29:50,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:50,414 INFO L276 IsEmpty]: Start isEmpty. Operand 3038 states and 5912 transitions. [2021-10-19 14:29:50,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:50,415 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:50,415 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:50,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2021-10-19 14:29:50,415 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:50,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:50,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1332809652, now seen corresponding path program 82 times [2021-10-19 14:29:50,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:50,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586878411] [2021-10-19 14:29:50,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:50,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:50,628 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 14:29:50,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:50,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586878411] [2021-10-19 14:29:50,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586878411] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:50,629 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:50,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:50,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520113466] [2021-10-19 14:29:50,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:50,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:50,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:50,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:50,630 INFO L87 Difference]: Start difference. First operand 3038 states and 5912 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:53,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:53,060 INFO L93 Difference]: Finished difference Result 6702 states and 12915 transitions. [2021-10-19 14:29:53,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-19 14:29:53,060 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:53,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:53,066 INFO L225 Difference]: With dead ends: 6702 [2021-10-19 14:29:53,066 INFO L226 Difference]: Without dead ends: 6702 [2021-10-19 14:29:53,066 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 709 ImplicationChecksByTransitivity, 665.8ms TimeCoverageRelationStatistics Valid=534, Invalid=2546, Unknown=0, NotChecked=0, Total=3080 [2021-10-19 14:29:53,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6702 states. [2021-10-19 14:29:53,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6702 to 3050. [2021-10-19 14:29:53,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3050 states, 3038 states have (on average 1.9542462146148782) internal successors, (5937), 3049 states have internal predecessors, (5937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:53,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 3050 states and 5937 transitions. [2021-10-19 14:29:53,096 INFO L78 Accepts]: Start accepts. Automaton has 3050 states and 5937 transitions. Word has length 123 [2021-10-19 14:29:53,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:53,096 INFO L470 AbstractCegarLoop]: Abstraction has 3050 states and 5937 transitions. [2021-10-19 14:29:53,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:53,096 INFO L276 IsEmpty]: Start isEmpty. Operand 3050 states and 5937 transitions. [2021-10-19 14:29:53,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:53,097 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:53,097 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:53,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2021-10-19 14:29:53,097 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:53,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:53,097 INFO L82 PathProgramCache]: Analyzing trace with hash 2011074288, now seen corresponding path program 83 times [2021-10-19 14:29:53,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:53,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346639949] [2021-10-19 14:29:53,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:53,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:53,287 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 14:29:53,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:53,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346639949] [2021-10-19 14:29:53,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346639949] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:53,288 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:53,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:53,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379286278] [2021-10-19 14:29:53,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:53,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:53,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:53,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:53,288 INFO L87 Difference]: Start difference. First operand 3050 states and 5937 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:55,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:55,647 INFO L93 Difference]: Finished difference Result 6790 states and 13091 transitions. [2021-10-19 14:29:55,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-19 14:29:55,647 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:55,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:55,654 INFO L225 Difference]: With dead ends: 6790 [2021-10-19 14:29:55,654 INFO L226 Difference]: Without dead ends: 6790 [2021-10-19 14:29:55,654 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 768 ImplicationChecksByTransitivity, 619.1ms TimeCoverageRelationStatistics Valid=593, Invalid=2713, Unknown=0, NotChecked=0, Total=3306 [2021-10-19 14:29:55,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6790 states. [2021-10-19 14:29:55,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6790 to 3062. [2021-10-19 14:29:55,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3062 states, 3050 states have (on average 1.9547540983606557) internal successors, (5962), 3061 states have internal predecessors, (5962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:55,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 5962 transitions. [2021-10-19 14:29:55,686 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 5962 transitions. Word has length 123 [2021-10-19 14:29:55,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:55,686 INFO L470 AbstractCegarLoop]: Abstraction has 3062 states and 5962 transitions. [2021-10-19 14:29:55,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:55,686 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 5962 transitions. [2021-10-19 14:29:55,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:55,687 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:55,687 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:55,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2021-10-19 14:29:55,687 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:55,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:55,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1518184302, now seen corresponding path program 84 times [2021-10-19 14:29:55,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:55,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089195950] [2021-10-19 14:29:55,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:55,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:55,872 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 14:29:55,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:55,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089195950] [2021-10-19 14:29:55,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089195950] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:55,872 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:55,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:55,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258667659] [2021-10-19 14:29:55,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:55,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:55,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:55,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:55,873 INFO L87 Difference]: Start difference. First operand 3062 states and 5962 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:58,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:58,156 INFO L93 Difference]: Finished difference Result 6878 states and 13267 transitions. [2021-10-19 14:29:58,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:29:58,157 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:29:58,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:58,164 INFO L225 Difference]: With dead ends: 6878 [2021-10-19 14:29:58,164 INFO L226 Difference]: Without dead ends: 6878 [2021-10-19 14:29:58,165 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 855 ImplicationChecksByTransitivity, 729.5ms TimeCoverageRelationStatistics Valid=622, Invalid=2918, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:29:58,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6878 states. [2021-10-19 14:29:58,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6878 to 3074. [2021-10-19 14:29:58,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3074 states, 3062 states have (on average 1.9552580013063356) internal successors, (5987), 3073 states have internal predecessors, (5987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:58,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 3074 states and 5987 transitions. [2021-10-19 14:29:58,209 INFO L78 Accepts]: Start accepts. Automaton has 3074 states and 5987 transitions. Word has length 123 [2021-10-19 14:29:58,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:58,209 INFO L470 AbstractCegarLoop]: Abstraction has 3074 states and 5987 transitions. [2021-10-19 14:29:58,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:58,209 INFO L276 IsEmpty]: Start isEmpty. Operand 3074 states and 5987 transitions. [2021-10-19 14:29:58,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:29:58,210 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:58,210 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:29:58,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2021-10-19 14:29:58,210 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:58,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:58,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1436024202, now seen corresponding path program 46 times [2021-10-19 14:29:58,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:58,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76216124] [2021-10-19 14:29:58,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:58,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:58,407 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 14:29:58,407 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:58,407 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76216124] [2021-10-19 14:29:58,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76216124] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:58,407 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:58,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:58,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140174002] [2021-10-19 14:29:58,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:58,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:58,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:58,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:58,408 INFO L87 Difference]: Start difference. First operand 3074 states and 5987 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:00,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:00,126 INFO L93 Difference]: Finished difference Result 6502 states and 12598 transitions. [2021-10-19 14:30:00,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-19 14:30:00,126 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:30:00,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:00,132 INFO L225 Difference]: With dead ends: 6502 [2021-10-19 14:30:00,132 INFO L226 Difference]: Without dead ends: 6502 [2021-10-19 14:30:00,132 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1198 ImplicationChecksByTransitivity, 704.4ms TimeCoverageRelationStatistics Valid=732, Invalid=3690, Unknown=0, NotChecked=0, Total=4422 [2021-10-19 14:30:00,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6502 states. [2021-10-19 14:30:00,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6502 to 3104. [2021-10-19 14:30:00,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3104 states, 3092 states have (on average 1.9547218628719276) internal successors, (6044), 3103 states have internal predecessors, (6044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:00,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 3104 states and 6044 transitions. [2021-10-19 14:30:00,164 INFO L78 Accepts]: Start accepts. Automaton has 3104 states and 6044 transitions. Word has length 123 [2021-10-19 14:30:00,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:00,164 INFO L470 AbstractCegarLoop]: Abstraction has 3104 states and 6044 transitions. [2021-10-19 14:30:00,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:00,164 INFO L276 IsEmpty]: Start isEmpty. Operand 3104 states and 6044 transitions. [2021-10-19 14:30:00,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:30:00,165 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:00,165 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:00,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2021-10-19 14:30:00,165 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:00,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:00,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1536341474, now seen corresponding path program 85 times [2021-10-19 14:30:00,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:00,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869181577] [2021-10-19 14:30:00,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:00,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:00,350 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 14:30:00,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:00,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869181577] [2021-10-19 14:30:00,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869181577] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:00,350 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:00,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:00,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67909525] [2021-10-19 14:30:00,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:00,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:00,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:00,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:00,351 INFO L87 Difference]: Start difference. First operand 3104 states and 6044 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:02,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:02,735 INFO L93 Difference]: Finished difference Result 7547 states and 14548 transitions. [2021-10-19 14:30:02,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:30:02,735 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:30:02,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:02,744 INFO L225 Difference]: With dead ends: 7547 [2021-10-19 14:30:02,744 INFO L226 Difference]: Without dead ends: 7547 [2021-10-19 14:30:02,744 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 884 ImplicationChecksByTransitivity, 622.8ms TimeCoverageRelationStatistics Valid=612, Invalid=2928, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:30:02,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7547 states. [2021-10-19 14:30:02,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7547 to 3040. [2021-10-19 14:30:02,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3040 states, 3028 states have (on average 1.953764861294584) internal successors, (5916), 3039 states have internal predecessors, (5916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:02,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3040 states to 3040 states and 5916 transitions. [2021-10-19 14:30:02,786 INFO L78 Accepts]: Start accepts. Automaton has 3040 states and 5916 transitions. Word has length 123 [2021-10-19 14:30:02,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:02,786 INFO L470 AbstractCegarLoop]: Abstraction has 3040 states and 5916 transitions. [2021-10-19 14:30:02,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:02,786 INFO L276 IsEmpty]: Start isEmpty. Operand 3040 states and 5916 transitions. [2021-10-19 14:30:02,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:30:02,787 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:02,787 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:02,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2021-10-19 14:30:02,787 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:02,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:02,787 INFO L82 PathProgramCache]: Analyzing trace with hash 817120410, now seen corresponding path program 47 times [2021-10-19 14:30:02,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:02,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730265588] [2021-10-19 14:30:02,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:02,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:03,038 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 14:30:03,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:03,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730265588] [2021-10-19 14:30:03,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730265588] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:03,039 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:03,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:03,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985568322] [2021-10-19 14:30:03,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:03,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:03,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:03,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:03,039 INFO L87 Difference]: Start difference. First operand 3040 states and 5916 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:04,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:04,732 INFO L93 Difference]: Finished difference Result 5396 states and 10467 transitions. [2021-10-19 14:30:04,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-19 14:30:04,732 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:30:04,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:04,738 INFO L225 Difference]: With dead ends: 5396 [2021-10-19 14:30:04,738 INFO L226 Difference]: Without dead ends: 5396 [2021-10-19 14:30:04,739 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 631 ImplicationChecksByTransitivity, 611.8ms TimeCoverageRelationStatistics Valid=496, Invalid=2366, Unknown=0, NotChecked=0, Total=2862 [2021-10-19 14:30:04,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5396 states. [2021-10-19 14:30:04,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5396 to 3112. [2021-10-19 14:30:04,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3112 states, 3100 states have (on average 1.9548387096774194) internal successors, (6060), 3111 states have internal predecessors, (6060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:04,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3112 states to 3112 states and 6060 transitions. [2021-10-19 14:30:04,771 INFO L78 Accepts]: Start accepts. Automaton has 3112 states and 6060 transitions. Word has length 123 [2021-10-19 14:30:04,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:04,771 INFO L470 AbstractCegarLoop]: Abstraction has 3112 states and 6060 transitions. [2021-10-19 14:30:04,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:04,771 INFO L276 IsEmpty]: Start isEmpty. Operand 3112 states and 6060 transitions. [2021-10-19 14:30:04,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:30:04,772 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:04,772 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:04,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2021-10-19 14:30:04,772 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:04,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:04,773 INFO L82 PathProgramCache]: Analyzing trace with hash 434681034, now seen corresponding path program 86 times [2021-10-19 14:30:04,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:04,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105226722] [2021-10-19 14:30:04,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:04,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:04,996 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 14:30:04,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:04,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105226722] [2021-10-19 14:30:04,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105226722] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:04,996 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:04,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:04,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110256855] [2021-10-19 14:30:04,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:04,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:04,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:04,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:04,997 INFO L87 Difference]: Start difference. First operand 3112 states and 6060 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:07,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:07,272 INFO L93 Difference]: Finished difference Result 5959 states and 11513 transitions. [2021-10-19 14:30:07,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-19 14:30:07,273 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:30:07,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:07,280 INFO L225 Difference]: With dead ends: 5959 [2021-10-19 14:30:07,280 INFO L226 Difference]: Without dead ends: 5959 [2021-10-19 14:30:07,280 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 546.9ms TimeCoverageRelationStatistics Valid=440, Invalid=2110, Unknown=0, NotChecked=0, Total=2550 [2021-10-19 14:30:07,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5959 states. [2021-10-19 14:30:07,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5959 to 3030. [2021-10-19 14:30:07,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3030 states, 3018 states have (on average 1.9549370444002652) internal successors, (5900), 3029 states have internal predecessors, (5900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:07,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 5900 transitions. [2021-10-19 14:30:07,318 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 5900 transitions. Word has length 123 [2021-10-19 14:30:07,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:07,318 INFO L470 AbstractCegarLoop]: Abstraction has 3030 states and 5900 transitions. [2021-10-19 14:30:07,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:07,318 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 5900 transitions. [2021-10-19 14:30:07,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:30:07,319 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:07,319 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:07,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2021-10-19 14:30:07,319 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:07,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:07,319 INFO L82 PathProgramCache]: Analyzing trace with hash -343955848, now seen corresponding path program 48 times [2021-10-19 14:30:07,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:07,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239680850] [2021-10-19 14:30:07,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:07,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:07,541 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 14:30:07,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:07,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239680850] [2021-10-19 14:30:07,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239680850] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:07,542 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:07,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:07,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171307173] [2021-10-19 14:30:07,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:07,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:07,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:07,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:07,542 INFO L87 Difference]: Start difference. First operand 3030 states and 5900 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:09,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:09,002 INFO L93 Difference]: Finished difference Result 4348 states and 8455 transitions. [2021-10-19 14:30:09,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-10-19 14:30:09,003 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:30:09,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:09,007 INFO L225 Difference]: With dead ends: 4348 [2021-10-19 14:30:09,007 INFO L226 Difference]: Without dead ends: 4348 [2021-10-19 14:30:09,008 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 572.2ms TimeCoverageRelationStatistics Valid=417, Invalid=2033, Unknown=0, NotChecked=0, Total=2450 [2021-10-19 14:30:09,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4348 states. [2021-10-19 14:30:09,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4348 to 3032. [2021-10-19 14:30:09,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3032 states, 3020 states have (on average 1.9549668874172186) internal successors, (5904), 3031 states have internal predecessors, (5904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:09,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 3032 states and 5904 transitions. [2021-10-19 14:30:09,034 INFO L78 Accepts]: Start accepts. Automaton has 3032 states and 5904 transitions. Word has length 123 [2021-10-19 14:30:09,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:09,034 INFO L470 AbstractCegarLoop]: Abstraction has 3032 states and 5904 transitions. [2021-10-19 14:30:09,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:09,034 INFO L276 IsEmpty]: Start isEmpty. Operand 3032 states and 5904 transitions. [2021-10-19 14:30:09,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:30:09,035 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:09,035 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:09,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2021-10-19 14:30:09,035 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:09,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:09,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1753128958, now seen corresponding path program 49 times [2021-10-19 14:30:09,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:09,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852097808] [2021-10-19 14:30:09,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:09,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:09,285 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 14:30:09,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:09,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852097808] [2021-10-19 14:30:09,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852097808] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:09,285 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:09,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:09,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899301797] [2021-10-19 14:30:09,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:09,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:09,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:09,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:09,286 INFO L87 Difference]: Start difference. First operand 3032 states and 5904 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:11,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:11,033 INFO L93 Difference]: Finished difference Result 4316 states and 8393 transitions. [2021-10-19 14:30:11,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-19 14:30:11,033 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:30:11,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:11,038 INFO L225 Difference]: With dead ends: 4316 [2021-10-19 14:30:11,038 INFO L226 Difference]: Without dead ends: 4316 [2021-10-19 14:30:11,038 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 452 ImplicationChecksByTransitivity, 591.7ms TimeCoverageRelationStatistics Valid=383, Invalid=1873, Unknown=0, NotChecked=0, Total=2256 [2021-10-19 14:30:11,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4316 states. [2021-10-19 14:30:11,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4316 to 3034. [2021-10-19 14:30:11,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3034 states, 3022 states have (on average 1.9549966909331569) internal successors, (5908), 3033 states have internal predecessors, (5908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:11,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3034 states to 3034 states and 5908 transitions. [2021-10-19 14:30:11,067 INFO L78 Accepts]: Start accepts. Automaton has 3034 states and 5908 transitions. Word has length 123 [2021-10-19 14:30:11,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:11,067 INFO L470 AbstractCegarLoop]: Abstraction has 3034 states and 5908 transitions. [2021-10-19 14:30:11,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:11,067 INFO L276 IsEmpty]: Start isEmpty. Operand 3034 states and 5908 transitions. [2021-10-19 14:30:11,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:30:11,068 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:11,068 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:11,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2021-10-19 14:30:11,069 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:11,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:11,069 INFO L82 PathProgramCache]: Analyzing trace with hash -510505130, now seen corresponding path program 50 times [2021-10-19 14:30:11,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:11,069 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160500939] [2021-10-19 14:30:11,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:11,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:11,293 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 14:30:11,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:11,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160500939] [2021-10-19 14:30:11,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160500939] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:11,293 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:11,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:11,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306479668] [2021-10-19 14:30:11,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:11,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:11,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:11,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:11,294 INFO L87 Difference]: Start difference. First operand 3034 states and 5908 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:12,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:12,711 INFO L93 Difference]: Finished difference Result 4262 states and 8289 transitions. [2021-10-19 14:30:12,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-19 14:30:12,711 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:30:12,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:12,715 INFO L225 Difference]: With dead ends: 4262 [2021-10-19 14:30:12,715 INFO L226 Difference]: Without dead ends: 4262 [2021-10-19 14:30:12,716 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 520.4ms TimeCoverageRelationStatistics Valid=358, Invalid=1712, Unknown=0, NotChecked=0, Total=2070 [2021-10-19 14:30:12,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4262 states. [2021-10-19 14:30:12,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4262 to 3026. [2021-10-19 14:30:12,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3026 states, 3014 states have (on average 1.9548772395487723) internal successors, (5892), 3025 states have internal predecessors, (5892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:12,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3026 states to 3026 states and 5892 transitions. [2021-10-19 14:30:12,740 INFO L78 Accepts]: Start accepts. Automaton has 3026 states and 5892 transitions. Word has length 123 [2021-10-19 14:30:12,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:12,740 INFO L470 AbstractCegarLoop]: Abstraction has 3026 states and 5892 transitions. [2021-10-19 14:30:12,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:12,740 INFO L276 IsEmpty]: Start isEmpty. Operand 3026 states and 5892 transitions. [2021-10-19 14:30:12,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:30:12,741 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:12,741 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:12,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2021-10-19 14:30:12,741 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:12,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:12,742 INFO L82 PathProgramCache]: Analyzing trace with hash 159153544, now seen corresponding path program 51 times [2021-10-19 14:30:12,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:12,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916082515] [2021-10-19 14:30:12,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:12,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:13,078 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 14:30:13,078 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:13,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916082515] [2021-10-19 14:30:13,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916082515] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:13,078 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:13,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:30:13,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529747444] [2021-10-19 14:30:13,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:30:13,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:13,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:30:13,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:30:13,079 INFO L87 Difference]: Start difference. First operand 3026 states and 5892 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:14,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:14,458 INFO L93 Difference]: Finished difference Result 4923 states and 9611 transitions. [2021-10-19 14:30:14,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-19 14:30:14,459 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:30:14,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:14,463 INFO L225 Difference]: With dead ends: 4923 [2021-10-19 14:30:14,463 INFO L226 Difference]: Without dead ends: 4923 [2021-10-19 14:30:14,464 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 654.2ms TimeCoverageRelationStatistics Valid=381, Invalid=1599, Unknown=0, NotChecked=0, Total=1980 [2021-10-19 14:30:14,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4923 states. [2021-10-19 14:30:14,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4923 to 3020. [2021-10-19 14:30:14,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3020 states, 3008 states have (on average 1.9547872340425532) internal successors, (5880), 3019 states have internal predecessors, (5880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:14,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 3020 states and 5880 transitions. [2021-10-19 14:30:14,490 INFO L78 Accepts]: Start accepts. Automaton has 3020 states and 5880 transitions. Word has length 123 [2021-10-19 14:30:14,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:14,490 INFO L470 AbstractCegarLoop]: Abstraction has 3020 states and 5880 transitions. [2021-10-19 14:30:14,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:14,490 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 5880 transitions. [2021-10-19 14:30:14,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:30:14,491 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:14,491 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:14,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2021-10-19 14:30:14,491 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:14,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:14,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1717179306, now seen corresponding path program 52 times [2021-10-19 14:30:14,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:14,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736612155] [2021-10-19 14:30:14,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:14,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:14,788 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 14:30:14,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:14,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736612155] [2021-10-19 14:30:14,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736612155] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:14,789 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:14,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:30:14,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770155365] [2021-10-19 14:30:14,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:30:14,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:14,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:30:14,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:30:14,789 INFO L87 Difference]: Start difference. First operand 3020 states and 5880 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:16,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:16,514 INFO L93 Difference]: Finished difference Result 4953 states and 9669 transitions. [2021-10-19 14:30:16,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-19 14:30:16,515 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:30:16,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:16,520 INFO L225 Difference]: With dead ends: 4953 [2021-10-19 14:30:16,520 INFO L226 Difference]: Without dead ends: 4953 [2021-10-19 14:30:16,520 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 421 ImplicationChecksByTransitivity, 726.2ms TimeCoverageRelationStatistics Valid=428, Invalid=1828, Unknown=0, NotChecked=0, Total=2256 [2021-10-19 14:30:16,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4953 states. [2021-10-19 14:30:16,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4953 to 3014. [2021-10-19 14:30:16,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3014 states, 3002 states have (on average 1.954696868754164) internal successors, (5868), 3013 states have internal predecessors, (5868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:16,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3014 states to 3014 states and 5868 transitions. [2021-10-19 14:30:16,550 INFO L78 Accepts]: Start accepts. Automaton has 3014 states and 5868 transitions. Word has length 123 [2021-10-19 14:30:16,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:16,550 INFO L470 AbstractCegarLoop]: Abstraction has 3014 states and 5868 transitions. [2021-10-19 14:30:16,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:16,550 INFO L276 IsEmpty]: Start isEmpty. Operand 3014 states and 5868 transitions. [2021-10-19 14:30:16,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:30:16,551 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:16,551 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:16,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2021-10-19 14:30:16,551 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:16,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:16,551 INFO L82 PathProgramCache]: Analyzing trace with hash -837972698, now seen corresponding path program 53 times [2021-10-19 14:30:16,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:16,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635513625] [2021-10-19 14:30:16,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:16,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:16,835 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 14:30:16,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:16,835 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635513625] [2021-10-19 14:30:16,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635513625] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:16,835 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:16,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:30:16,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760187454] [2021-10-19 14:30:16,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:30:16,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:16,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:30:16,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:30:16,836 INFO L87 Difference]: Start difference. First operand 3014 states and 5868 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:18,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:18,463 INFO L93 Difference]: Finished difference Result 5006 states and 9771 transitions. [2021-10-19 14:30:18,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-19 14:30:18,464 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:30:18,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:18,469 INFO L225 Difference]: With dead ends: 5006 [2021-10-19 14:30:18,469 INFO L226 Difference]: Without dead ends: 5006 [2021-10-19 14:30:18,469 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 785.8ms TimeCoverageRelationStatistics Valid=457, Invalid=1993, Unknown=0, NotChecked=0, Total=2450 [2021-10-19 14:30:18,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5006 states. [2021-10-19 14:30:18,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5006 to 3008. [2021-10-19 14:30:18,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3008 states, 2996 states have (on average 1.9546061415220293) internal successors, (5856), 3007 states have internal predecessors, (5856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:18,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 3008 states and 5856 transitions. [2021-10-19 14:30:18,499 INFO L78 Accepts]: Start accepts. Automaton has 3008 states and 5856 transitions. Word has length 123 [2021-10-19 14:30:18,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:18,499 INFO L470 AbstractCegarLoop]: Abstraction has 3008 states and 5856 transitions. [2021-10-19 14:30:18,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:18,499 INFO L276 IsEmpty]: Start isEmpty. Operand 3008 states and 5856 transitions. [2021-10-19 14:30:18,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:30:18,500 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:18,500 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:18,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2021-10-19 14:30:18,500 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:18,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:18,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1402833976, now seen corresponding path program 54 times [2021-10-19 14:30:18,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:18,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691933968] [2021-10-19 14:30:18,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:18,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:18,787 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 14:30:18,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:18,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691933968] [2021-10-19 14:30:18,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691933968] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:18,788 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:18,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:30:18,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034242640] [2021-10-19 14:30:18,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:30:18,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:18,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:30:18,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:30:18,789 INFO L87 Difference]: Start difference. First operand 3008 states and 5856 transitions. Second operand has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:20,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:20,640 INFO L93 Difference]: Finished difference Result 5020 states and 9792 transitions. [2021-10-19 14:30:20,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-19 14:30:20,640 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:30:20,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:20,646 INFO L225 Difference]: With dead ends: 5020 [2021-10-19 14:30:20,646 INFO L226 Difference]: Without dead ends: 5020 [2021-10-19 14:30:20,646 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 798.5ms TimeCoverageRelationStatistics Valid=495, Invalid=2157, Unknown=0, NotChecked=0, Total=2652 [2021-10-19 14:30:20,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5020 states. [2021-10-19 14:30:20,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5020 to 2962. [2021-10-19 14:30:20,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2962 states, 2950 states have (on average 1.952542372881356) internal successors, (5760), 2961 states have internal predecessors, (5760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:20,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 2962 states and 5760 transitions. [2021-10-19 14:30:20,684 INFO L78 Accepts]: Start accepts. Automaton has 2962 states and 5760 transitions. Word has length 123 [2021-10-19 14:30:20,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:20,684 INFO L470 AbstractCegarLoop]: Abstraction has 2962 states and 5760 transitions. [2021-10-19 14:30:20,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.15) internal successors, (123), 21 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:20,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2962 states and 5760 transitions. [2021-10-19 14:30:20,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:30:20,685 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:20,685 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:20,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2021-10-19 14:30:20,685 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:20,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:20,686 INFO L82 PathProgramCache]: Analyzing trace with hash 234373924, now seen corresponding path program 87 times [2021-10-19 14:30:20,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:20,686 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823441627] [2021-10-19 14:30:20,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:20,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:20,953 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 14:30:20,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:20,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823441627] [2021-10-19 14:30:20,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823441627] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:20,954 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:20,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:20,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053742940] [2021-10-19 14:30:20,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:20,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:20,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:20,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:20,955 INFO L87 Difference]: Start difference. First operand 2962 states and 5760 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:23,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:23,634 INFO L93 Difference]: Finished difference Result 6925 states and 13357 transitions. [2021-10-19 14:30:23,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-19 14:30:23,634 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:30:23,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:23,641 INFO L225 Difference]: With dead ends: 6925 [2021-10-19 14:30:23,641 INFO L226 Difference]: Without dead ends: 6905 [2021-10-19 14:30:23,641 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 708 ImplicationChecksByTransitivity, 683.1ms TimeCoverageRelationStatistics Valid=559, Invalid=2521, Unknown=0, NotChecked=0, Total=3080 [2021-10-19 14:30:23,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6905 states. [2021-10-19 14:30:23,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6905 to 3011. [2021-10-19 14:30:23,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3011 states, 2999 states have (on average 1.9533177725908637) internal successors, (5858), 3010 states have internal predecessors, (5858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:23,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3011 states to 3011 states and 5858 transitions. [2021-10-19 14:30:23,675 INFO L78 Accepts]: Start accepts. Automaton has 3011 states and 5858 transitions. Word has length 123 [2021-10-19 14:30:23,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:23,675 INFO L470 AbstractCegarLoop]: Abstraction has 3011 states and 5858 transitions. [2021-10-19 14:30:23,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:23,676 INFO L276 IsEmpty]: Start isEmpty. Operand 3011 states and 5858 transitions. [2021-10-19 14:30:23,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:30:23,676 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:23,677 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:23,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2021-10-19 14:30:23,677 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:23,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:23,677 INFO L82 PathProgramCache]: Analyzing trace with hash 668806042, now seen corresponding path program 88 times [2021-10-19 14:30:23,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:23,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788240247] [2021-10-19 14:30:23,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:23,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:23,920 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 14:30:23,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:23,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788240247] [2021-10-19 14:30:23,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788240247] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:23,920 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:23,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:23,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391109158] [2021-10-19 14:30:23,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:23,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:23,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:23,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:23,921 INFO L87 Difference]: Start difference. First operand 3011 states and 5858 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:26,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:26,665 INFO L93 Difference]: Finished difference Result 6963 states and 13438 transitions. [2021-10-19 14:30:26,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:30:26,665 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:30:26,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:26,672 INFO L225 Difference]: With dead ends: 6963 [2021-10-19 14:30:26,672 INFO L226 Difference]: Without dead ends: 6963 [2021-10-19 14:30:26,672 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 855 ImplicationChecksByTransitivity, 861.0ms TimeCoverageRelationStatistics Valid=643, Invalid=2897, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:30:26,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6963 states. [2021-10-19 14:30:26,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6963 to 3013. [2021-10-19 14:30:26,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3013 states, 3001 states have (on average 1.9533488837054316) internal successors, (5862), 3012 states have internal predecessors, (5862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:26,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 3013 states and 5862 transitions. [2021-10-19 14:30:26,703 INFO L78 Accepts]: Start accepts. Automaton has 3013 states and 5862 transitions. Word has length 123 [2021-10-19 14:30:26,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:26,703 INFO L470 AbstractCegarLoop]: Abstraction has 3013 states and 5862 transitions. [2021-10-19 14:30:26,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:26,703 INFO L276 IsEmpty]: Start isEmpty. Operand 3013 states and 5862 transitions. [2021-10-19 14:30:26,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:30:26,704 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:26,704 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:26,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2021-10-19 14:30:26,705 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:26,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:26,705 INFO L82 PathProgramCache]: Analyzing trace with hash 761913310, now seen corresponding path program 89 times [2021-10-19 14:30:26,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:26,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921745599] [2021-10-19 14:30:26,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:26,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:26,937 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 14:30:26,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:26,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921745599] [2021-10-19 14:30:26,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921745599] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:26,937 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:26,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:26,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008402095] [2021-10-19 14:30:26,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:26,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:26,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:26,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:26,938 INFO L87 Difference]: Start difference. First operand 3013 states and 5862 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:29,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:29,748 INFO L93 Difference]: Finished difference Result 7045 states and 13596 transitions. [2021-10-19 14:30:29,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:30:29,749 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:30:29,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:29,756 INFO L225 Difference]: With dead ends: 7045 [2021-10-19 14:30:29,756 INFO L226 Difference]: Without dead ends: 7045 [2021-10-19 14:30:29,757 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 858 ImplicationChecksByTransitivity, 796.2ms TimeCoverageRelationStatistics Valid=636, Invalid=2904, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:30:29,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7045 states. [2021-10-19 14:30:29,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7045 to 3025. [2021-10-19 14:30:29,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3025 states, 3013 states have (on average 1.953866578161301) internal successors, (5887), 3024 states have internal predecessors, (5887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:29,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3025 states to 3025 states and 5887 transitions. [2021-10-19 14:30:29,790 INFO L78 Accepts]: Start accepts. Automaton has 3025 states and 5887 transitions. Word has length 123 [2021-10-19 14:30:29,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:29,790 INFO L470 AbstractCegarLoop]: Abstraction has 3025 states and 5887 transitions. [2021-10-19 14:30:29,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:29,790 INFO L276 IsEmpty]: Start isEmpty. Operand 3025 states and 5887 transitions. [2021-10-19 14:30:29,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:30:29,791 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:29,791 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:29,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2021-10-19 14:30:29,791 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:29,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:29,791 INFO L82 PathProgramCache]: Analyzing trace with hash -388524682, now seen corresponding path program 90 times [2021-10-19 14:30:29,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:29,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126032243] [2021-10-19 14:30:29,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:29,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:30,021 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 14:30:30,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:30,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126032243] [2021-10-19 14:30:30,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126032243] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:30,021 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:30,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:30,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160925031] [2021-10-19 14:30:30,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:30,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:30,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:30,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:30,022 INFO L87 Difference]: Start difference. First operand 3025 states and 5887 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:32,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:32,362 INFO L93 Difference]: Finished difference Result 6954 states and 13420 transitions. [2021-10-19 14:30:32,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:30:32,363 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:30:32,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:32,370 INFO L225 Difference]: With dead ends: 6954 [2021-10-19 14:30:32,370 INFO L226 Difference]: Without dead ends: 6954 [2021-10-19 14:30:32,370 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 859 ImplicationChecksByTransitivity, 781.0ms TimeCoverageRelationStatistics Valid=635, Invalid=2905, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:30:32,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6954 states. [2021-10-19 14:30:32,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6954 to 3029. [2021-10-19 14:30:32,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3029 states, 3017 states have (on average 1.953927742790852) internal successors, (5895), 3028 states have internal predecessors, (5895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:32,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3029 states to 3029 states and 5895 transitions. [2021-10-19 14:30:32,401 INFO L78 Accepts]: Start accepts. Automaton has 3029 states and 5895 transitions. Word has length 123 [2021-10-19 14:30:32,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:32,402 INFO L470 AbstractCegarLoop]: Abstraction has 3029 states and 5895 transitions. [2021-10-19 14:30:32,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:32,402 INFO L276 IsEmpty]: Start isEmpty. Operand 3029 states and 5895 transitions. [2021-10-19 14:30:32,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:30:32,403 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:32,403 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:32,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2021-10-19 14:30:32,403 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:32,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:32,403 INFO L82 PathProgramCache]: Analyzing trace with hash -295417414, now seen corresponding path program 91 times [2021-10-19 14:30:32,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:32,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880479310] [2021-10-19 14:30:32,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:32,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:32,616 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 14:30:32,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:32,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880479310] [2021-10-19 14:30:32,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880479310] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:32,616 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:32,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:32,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887692896] [2021-10-19 14:30:32,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:32,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:32,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:32,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:32,617 INFO L87 Difference]: Start difference. First operand 3029 states and 5895 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:35,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:35,417 INFO L93 Difference]: Finished difference Result 7112 states and 13726 transitions. [2021-10-19 14:30:35,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-19 14:30:35,417 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:30:35,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:35,426 INFO L225 Difference]: With dead ends: 7112 [2021-10-19 14:30:35,426 INFO L226 Difference]: Without dead ends: 7112 [2021-10-19 14:30:35,426 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 939 ImplicationChecksByTransitivity, 880.1ms TimeCoverageRelationStatistics Valid=677, Invalid=3105, Unknown=0, NotChecked=0, Total=3782 [2021-10-19 14:30:35,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7112 states. [2021-10-19 14:30:35,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7112 to 3027. [2021-10-19 14:30:35,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3027 states, 3015 states have (on average 1.9538971807628525) internal successors, (5891), 3026 states have internal predecessors, (5891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:35,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3027 states to 3027 states and 5891 transitions. [2021-10-19 14:30:35,475 INFO L78 Accepts]: Start accepts. Automaton has 3027 states and 5891 transitions. Word has length 123 [2021-10-19 14:30:35,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:35,475 INFO L470 AbstractCegarLoop]: Abstraction has 3027 states and 5891 transitions. [2021-10-19 14:30:35,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:35,475 INFO L276 IsEmpty]: Start isEmpty. Operand 3027 states and 5891 transitions. [2021-10-19 14:30:35,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:30:35,476 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:35,476 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:35,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2021-10-19 14:30:35,477 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:35,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:35,477 INFO L82 PathProgramCache]: Analyzing trace with hash 382847222, now seen corresponding path program 92 times [2021-10-19 14:30:35,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:35,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767829292] [2021-10-19 14:30:35,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:35,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:35,699 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 14:30:35,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:35,699 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767829292] [2021-10-19 14:30:35,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767829292] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:35,699 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:35,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:35,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914813650] [2021-10-19 14:30:35,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:35,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:35,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:35,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:35,700 INFO L87 Difference]: Start difference. First operand 3027 states and 5891 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:38,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:38,309 INFO L93 Difference]: Finished difference Result 7135 states and 13776 transitions. [2021-10-19 14:30:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-10-19 14:30:38,309 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:30:38,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:38,317 INFO L225 Difference]: With dead ends: 7135 [2021-10-19 14:30:38,317 INFO L226 Difference]: Without dead ends: 7135 [2021-10-19 14:30:38,317 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 953 ImplicationChecksByTransitivity, 814.7ms TimeCoverageRelationStatistics Valid=728, Invalid=3178, Unknown=0, NotChecked=0, Total=3906 [2021-10-19 14:30:38,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7135 states. [2021-10-19 14:30:38,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7135 to 3039. [2021-10-19 14:30:38,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3039 states, 3027 states have (on average 1.954410307234886) internal successors, (5916), 3038 states have internal predecessors, (5916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:38,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3039 states to 3039 states and 5916 transitions. [2021-10-19 14:30:38,351 INFO L78 Accepts]: Start accepts. Automaton has 3039 states and 5916 transitions. Word has length 123 [2021-10-19 14:30:38,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:38,351 INFO L470 AbstractCegarLoop]: Abstraction has 3039 states and 5916 transitions. [2021-10-19 14:30:38,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:38,351 INFO L276 IsEmpty]: Start isEmpty. Operand 3039 states and 5916 transitions. [2021-10-19 14:30:38,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:30:38,352 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:38,352 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:38,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2021-10-19 14:30:38,352 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:38,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:38,352 INFO L82 PathProgramCache]: Analyzing trace with hash 769014032, now seen corresponding path program 93 times [2021-10-19 14:30:38,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:38,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054375620] [2021-10-19 14:30:38,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:38,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:38,563 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 14:30:38,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:38,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054375620] [2021-10-19 14:30:38,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054375620] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:38,564 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:38,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:38,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747882220] [2021-10-19 14:30:38,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:38,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:38,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:38,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:38,564 INFO L87 Difference]: Start difference. First operand 3039 states and 5916 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:40,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:40,853 INFO L93 Difference]: Finished difference Result 6975 states and 13462 transitions. [2021-10-19 14:30:40,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:30:40,853 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:30:40,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:40,873 INFO L225 Difference]: With dead ends: 6975 [2021-10-19 14:30:40,873 INFO L226 Difference]: Without dead ends: 6975 [2021-10-19 14:30:40,873 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 864 ImplicationChecksByTransitivity, 768.8ms TimeCoverageRelationStatistics Valid=629, Invalid=2911, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:30:40,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6975 states. [2021-10-19 14:30:40,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6975 to 3045. [2021-10-19 14:30:40,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3045 states, 3033 states have (on average 1.9545004945598417) internal successors, (5928), 3044 states have internal predecessors, (5928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:40,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3045 states to 3045 states and 5928 transitions. [2021-10-19 14:30:40,907 INFO L78 Accepts]: Start accepts. Automaton has 3045 states and 5928 transitions. Word has length 123 [2021-10-19 14:30:40,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:40,907 INFO L470 AbstractCegarLoop]: Abstraction has 3045 states and 5928 transitions. [2021-10-19 14:30:40,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:40,907 INFO L276 IsEmpty]: Start isEmpty. Operand 3045 states and 5928 transitions. [2021-10-19 14:30:40,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:30:40,908 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:40,908 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:40,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2021-10-19 14:30:40,908 INFO L402 AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:40,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:40,909 INFO L82 PathProgramCache]: Analyzing trace with hash 862121300, now seen corresponding path program 94 times [2021-10-19 14:30:40,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:40,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822088072] [2021-10-19 14:30:40,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:40,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:41,133 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 14:30:41,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:41,133 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822088072] [2021-10-19 14:30:41,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822088072] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:41,133 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:41,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:41,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063545835] [2021-10-19 14:30:41,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:41,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:41,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:41,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:41,134 INFO L87 Difference]: Start difference. First operand 3045 states and 5928 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:43,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:43,719 INFO L93 Difference]: Finished difference Result 7133 states and 13768 transitions. [2021-10-19 14:30:43,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-19 14:30:43,719 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:30:43,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:43,727 INFO L225 Difference]: With dead ends: 7133 [2021-10-19 14:30:43,727 INFO L226 Difference]: Without dead ends: 7133 [2021-10-19 14:30:43,728 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 945 ImplicationChecksByTransitivity, 886.8ms TimeCoverageRelationStatistics Valid=670, Invalid=3112, Unknown=0, NotChecked=0, Total=3782 [2021-10-19 14:30:43,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7133 states. [2021-10-19 14:30:43,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7133 to 3043. [2021-10-19 14:30:43,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3043 states, 3031 states have (on average 1.954470471791488) internal successors, (5924), 3042 states have internal predecessors, (5924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:43,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 3043 states and 5924 transitions. [2021-10-19 14:30:43,762 INFO L78 Accepts]: Start accepts. Automaton has 3043 states and 5924 transitions. Word has length 123 [2021-10-19 14:30:43,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:43,762 INFO L470 AbstractCegarLoop]: Abstraction has 3043 states and 5924 transitions. [2021-10-19 14:30:43,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:43,762 INFO L276 IsEmpty]: Start isEmpty. Operand 3043 states and 5924 transitions. [2021-10-19 14:30:43,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:30:43,763 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:43,763 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:43,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2021-10-19 14:30:43,763 INFO L402 AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:43,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:43,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1540385936, now seen corresponding path program 95 times [2021-10-19 14:30:43,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:43,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542227429] [2021-10-19 14:30:43,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:43,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:43,968 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 14:30:43,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:43,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542227429] [2021-10-19 14:30:43,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542227429] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:43,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:43,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:43,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017869583] [2021-10-19 14:30:43,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:43,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:43,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:43,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:43,969 INFO L87 Difference]: Start difference. First operand 3043 states and 5924 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:47,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:47,035 INFO L93 Difference]: Finished difference Result 7231 states and 13964 transitions. [2021-10-19 14:30:47,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:30:47,035 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:30:47,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:47,044 INFO L225 Difference]: With dead ends: 7231 [2021-10-19 14:30:47,044 INFO L226 Difference]: Without dead ends: 7231 [2021-10-19 14:30:47,044 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1176 ImplicationChecksByTransitivity, 1033.7ms TimeCoverageRelationStatistics Valid=844, Invalid=3712, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:30:47,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7231 states. [2021-10-19 14:30:47,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7231 to 3041. [2021-10-19 14:30:47,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3041 states, 3029 states have (on average 1.9544404093760317) internal successors, (5920), 3040 states have internal predecessors, (5920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:47,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 3041 states and 5920 transitions. [2021-10-19 14:30:47,079 INFO L78 Accepts]: Start accepts. Automaton has 3041 states and 5920 transitions. Word has length 123 [2021-10-19 14:30:47,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:47,079 INFO L470 AbstractCegarLoop]: Abstraction has 3041 states and 5920 transitions. [2021-10-19 14:30:47,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:47,079 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 5920 transitions. [2021-10-19 14:30:47,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:30:47,080 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:47,080 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:47,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2021-10-19 14:30:47,081 INFO L402 AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:47,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:47,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1988872654, now seen corresponding path program 96 times [2021-10-19 14:30:47,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:47,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532466115] [2021-10-19 14:30:47,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:47,081 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:47,291 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 14:30:47,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:47,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532466115] [2021-10-19 14:30:47,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532466115] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:47,291 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:47,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:47,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693817234] [2021-10-19 14:30:47,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:47,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:47,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:47,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:47,292 INFO L87 Difference]: Start difference. First operand 3041 states and 5920 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:50,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:50,574 INFO L93 Difference]: Finished difference Result 7225 states and 13956 transitions. [2021-10-19 14:30:50,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-19 14:30:50,574 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:30:50,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:50,581 INFO L225 Difference]: With dead ends: 7225 [2021-10-19 14:30:50,581 INFO L226 Difference]: Without dead ends: 7225 [2021-10-19 14:30:50,581 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1090 ImplicationChecksByTransitivity, 966.0ms TimeCoverageRelationStatistics Valid=777, Invalid=3513, Unknown=0, NotChecked=0, Total=4290 [2021-10-19 14:30:50,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7225 states. [2021-10-19 14:30:50,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7225 to 3053. [2021-10-19 14:30:50,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3053 states, 3041 states have (on average 1.954949029924367) internal successors, (5945), 3052 states have internal predecessors, (5945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:50,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3053 states to 3053 states and 5945 transitions. [2021-10-19 14:30:50,613 INFO L78 Accepts]: Start accepts. Automaton has 3053 states and 5945 transitions. Word has length 123 [2021-10-19 14:30:50,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:50,613 INFO L470 AbstractCegarLoop]: Abstraction has 3053 states and 5945 transitions. [2021-10-19 14:30:50,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:50,614 INFO L276 IsEmpty]: Start isEmpty. Operand 3053 states and 5945 transitions. [2021-10-19 14:30:50,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:30:50,614 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:50,615 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:50,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2021-10-19 14:30:50,615 INFO L402 AbstractCegarLoop]: === Iteration 167 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:50,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:50,615 INFO L82 PathProgramCache]: Analyzing trace with hash 943864964, now seen corresponding path program 97 times [2021-10-19 14:30:50,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:50,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106678608] [2021-10-19 14:30:50,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:50,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:50,832 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 14:30:50,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:50,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106678608] [2021-10-19 14:30:50,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106678608] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:50,833 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:50,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:50,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515942792] [2021-10-19 14:30:50,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:50,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:50,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:50,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:50,834 INFO L87 Difference]: Start difference. First operand 3053 states and 5945 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:53,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:53,457 INFO L93 Difference]: Finished difference Result 8105 states and 15591 transitions. [2021-10-19 14:30:53,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-19 14:30:53,458 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:30:53,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:53,467 INFO L225 Difference]: With dead ends: 8105 [2021-10-19 14:30:53,467 INFO L226 Difference]: Without dead ends: 8105 [2021-10-19 14:30:53,467 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1067 ImplicationChecksByTransitivity, 728.5ms TimeCoverageRelationStatistics Valid=711, Invalid=3321, Unknown=0, NotChecked=0, Total=4032 [2021-10-19 14:30:53,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8105 states. [2021-10-19 14:30:53,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8105 to 3059. [2021-10-19 14:30:53,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3059 states, 3047 states have (on average 1.955037742041352) internal successors, (5957), 3058 states have internal predecessors, (5957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:53,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3059 states to 3059 states and 5957 transitions. [2021-10-19 14:30:53,511 INFO L78 Accepts]: Start accepts. Automaton has 3059 states and 5957 transitions. Word has length 123 [2021-10-19 14:30:53,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:53,511 INFO L470 AbstractCegarLoop]: Abstraction has 3059 states and 5957 transitions. [2021-10-19 14:30:53,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:53,511 INFO L276 IsEmpty]: Start isEmpty. Operand 3059 states and 5957 transitions. [2021-10-19 14:30:53,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:30:53,512 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:53,512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:53,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2021-10-19 14:30:53,512 INFO L402 AbstractCegarLoop]: === Iteration 168 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:53,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:53,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1036972232, now seen corresponding path program 98 times [2021-10-19 14:30:53,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:53,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375543199] [2021-10-19 14:30:53,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:53,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:53,738 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 14:30:53,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:53,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375543199] [2021-10-19 14:30:53,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375543199] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:53,739 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:53,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:53,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903649337] [2021-10-19 14:30:53,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:53,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:53,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:53,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:53,739 INFO L87 Difference]: Start difference. First operand 3059 states and 5957 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:56,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:56,563 INFO L93 Difference]: Finished difference Result 8263 states and 15897 transitions. [2021-10-19 14:30:56,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-19 14:30:56,563 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:30:56,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:56,571 INFO L225 Difference]: With dead ends: 8263 [2021-10-19 14:30:56,572 INFO L226 Difference]: Without dead ends: 8263 [2021-10-19 14:30:56,572 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1161 ImplicationChecksByTransitivity, 827.9ms TimeCoverageRelationStatistics Valid=755, Invalid=3535, Unknown=0, NotChecked=0, Total=4290 [2021-10-19 14:30:56,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8263 states. [2021-10-19 14:30:56,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8263 to 3057. [2021-10-19 14:30:56,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3057 states, 3045 states have (on average 1.9550082101806239) internal successors, (5953), 3056 states have internal predecessors, (5953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:56,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 3057 states and 5953 transitions. [2021-10-19 14:30:56,612 INFO L78 Accepts]: Start accepts. Automaton has 3057 states and 5953 transitions. Word has length 123 [2021-10-19 14:30:56,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:56,612 INFO L470 AbstractCegarLoop]: Abstraction has 3057 states and 5953 transitions. [2021-10-19 14:30:56,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:56,613 INFO L276 IsEmpty]: Start isEmpty. Operand 3057 states and 5953 transitions. [2021-10-19 14:30:56,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:30:56,613 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:56,614 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:56,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2021-10-19 14:30:56,614 INFO L402 AbstractCegarLoop]: === Iteration 169 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:56,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:56,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1715236868, now seen corresponding path program 99 times [2021-10-19 14:30:56,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:56,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846202793] [2021-10-19 14:30:56,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:56,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:56,807 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 14:30:56,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:56,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846202793] [2021-10-19 14:30:56,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846202793] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:56,807 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:56,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:56,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096704723] [2021-10-19 14:30:56,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:56,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:56,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:56,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:56,808 INFO L87 Difference]: Start difference. First operand 3057 states and 5953 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:59,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:59,488 INFO L93 Difference]: Finished difference Result 8351 states and 16073 transitions. [2021-10-19 14:30:59,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:30:59,488 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:30:59,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:59,495 INFO L225 Difference]: With dead ends: 8351 [2021-10-19 14:30:59,495 INFO L226 Difference]: Without dead ends: 8351 [2021-10-19 14:30:59,496 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1234 ImplicationChecksByTransitivity, 785.4ms TimeCoverageRelationStatistics Valid=831, Invalid=3725, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:30:59,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8351 states. [2021-10-19 14:30:59,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8351 to 3055. [2021-10-19 14:30:59,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3055 states, 3043 states have (on average 1.9549786395004929) internal successors, (5949), 3054 states have internal predecessors, (5949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:59,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3055 states to 3055 states and 5949 transitions. [2021-10-19 14:30:59,533 INFO L78 Accepts]: Start accepts. Automaton has 3055 states and 5949 transitions. Word has length 123 [2021-10-19 14:30:59,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:59,533 INFO L470 AbstractCegarLoop]: Abstraction has 3055 states and 5949 transitions. [2021-10-19 14:30:59,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:59,533 INFO L276 IsEmpty]: Start isEmpty. Operand 3055 states and 5949 transitions. [2021-10-19 14:30:59,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:30:59,534 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:59,534 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:30:59,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2021-10-19 14:30:59,534 INFO L402 AbstractCegarLoop]: === Iteration 170 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:59,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:59,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1814021722, now seen corresponding path program 100 times [2021-10-19 14:30:59,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:59,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106987303] [2021-10-19 14:30:59,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:59,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:59,729 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 14:30:59,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:59,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106987303] [2021-10-19 14:30:59,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106987303] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:59,729 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:59,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:59,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502082728] [2021-10-19 14:30:59,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:59,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:59,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:59,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:59,730 INFO L87 Difference]: Start difference. First operand 3055 states and 5949 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:02,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:02,520 INFO L93 Difference]: Finished difference Result 8439 states and 16249 transitions. [2021-10-19 14:31:02,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:31:02,521 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:31:02,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:02,530 INFO L225 Difference]: With dead ends: 8439 [2021-10-19 14:31:02,530 INFO L226 Difference]: Without dead ends: 8439 [2021-10-19 14:31:02,530 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1343 ImplicationChecksByTransitivity, 941.1ms TimeCoverageRelationStatistics Valid=869, Invalid=3961, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:31:02,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8439 states. [2021-10-19 14:31:02,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8439 to 3053. [2021-10-19 14:31:02,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3053 states, 3041 states have (on average 1.954949029924367) internal successors, (5945), 3052 states have internal predecessors, (5945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:02,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3053 states to 3053 states and 5945 transitions. [2021-10-19 14:31:02,583 INFO L78 Accepts]: Start accepts. Automaton has 3053 states and 5945 transitions. Word has length 123 [2021-10-19 14:31:02,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:02,583 INFO L470 AbstractCegarLoop]: Abstraction has 3053 states and 5945 transitions. [2021-10-19 14:31:02,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:02,583 INFO L276 IsEmpty]: Start isEmpty. Operand 3053 states and 5945 transitions. [2021-10-19 14:31:02,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:31:02,584 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:02,584 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:02,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2021-10-19 14:31:02,584 INFO L402 AbstractCegarLoop]: === Iteration 171 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:02,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:02,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1731861622, now seen corresponding path program 55 times [2021-10-19 14:31:02,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:02,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388441961] [2021-10-19 14:31:02,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:02,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:02,788 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 14:31:02,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:02,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388441961] [2021-10-19 14:31:02,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388441961] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:02,789 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:02,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:02,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186579500] [2021-10-19 14:31:02,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:02,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:02,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:02,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:02,789 INFO L87 Difference]: Start difference. First operand 3053 states and 5945 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:04,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:04,712 INFO L93 Difference]: Finished difference Result 6352 states and 12298 transitions. [2021-10-19 14:31:04,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-19 14:31:04,712 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:31:04,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:04,719 INFO L225 Difference]: With dead ends: 6352 [2021-10-19 14:31:04,719 INFO L226 Difference]: Without dead ends: 6352 [2021-10-19 14:31:04,720 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1407 ImplicationChecksByTransitivity, 773.0ms TimeCoverageRelationStatistics Valid=845, Invalid=4125, Unknown=0, NotChecked=0, Total=4970 [2021-10-19 14:31:04,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6352 states. [2021-10-19 14:31:04,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6352 to 3042. [2021-10-19 14:31:04,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3042 states, 3030 states have (on average 1.953795379537954) internal successors, (5920), 3041 states have internal predecessors, (5920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:04,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 3042 states and 5920 transitions. [2021-10-19 14:31:04,759 INFO L78 Accepts]: Start accepts. Automaton has 3042 states and 5920 transitions. Word has length 123 [2021-10-19 14:31:04,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:04,760 INFO L470 AbstractCegarLoop]: Abstraction has 3042 states and 5920 transitions. [2021-10-19 14:31:04,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:04,760 INFO L276 IsEmpty]: Start isEmpty. Operand 3042 states and 5920 transitions. [2021-10-19 14:31:04,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:31:04,761 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:04,761 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:04,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2021-10-19 14:31:04,761 INFO L402 AbstractCegarLoop]: === Iteration 172 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:04,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:04,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1240504054, now seen corresponding path program 101 times [2021-10-19 14:31:04,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:04,761 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674570857] [2021-10-19 14:31:04,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:04,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:04,968 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 14:31:04,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:04,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674570857] [2021-10-19 14:31:04,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674570857] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:04,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:04,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:04,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114030975] [2021-10-19 14:31:04,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:04,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:04,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:04,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:04,969 INFO L87 Difference]: Start difference. First operand 3042 states and 5920 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:07,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:07,731 INFO L93 Difference]: Finished difference Result 7369 states and 14196 transitions. [2021-10-19 14:31:07,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-19 14:31:07,731 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:31:07,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:07,740 INFO L225 Difference]: With dead ends: 7369 [2021-10-19 14:31:07,740 INFO L226 Difference]: Without dead ends: 7369 [2021-10-19 14:31:07,740 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1096 ImplicationChecksByTransitivity, 731.1ms TimeCoverageRelationStatistics Valid=731, Invalid=3429, Unknown=0, NotChecked=0, Total=4160 [2021-10-19 14:31:07,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7369 states. [2021-10-19 14:31:07,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7369 to 2904. [2021-10-19 14:31:07,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2904 states, 2892 states have (on average 1.9515905947441217) internal successors, (5644), 2903 states have internal predecessors, (5644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:07,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2904 states to 2904 states and 5644 transitions. [2021-10-19 14:31:07,777 INFO L78 Accepts]: Start accepts. Automaton has 2904 states and 5644 transitions. Word has length 123 [2021-10-19 14:31:07,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:07,777 INFO L470 AbstractCegarLoop]: Abstraction has 2904 states and 5644 transitions. [2021-10-19 14:31:07,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:07,777 INFO L276 IsEmpty]: Start isEmpty. Operand 2904 states and 5644 transitions. [2021-10-19 14:31:07,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:31:07,778 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:07,778 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:07,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2021-10-19 14:31:07,778 INFO L402 AbstractCegarLoop]: === Iteration 173 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:07,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:07,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1984908646, now seen corresponding path program 102 times [2021-10-19 14:31:07,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:07,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247277294] [2021-10-19 14:31:07,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:07,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:08,012 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 14:31:08,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:08,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247277294] [2021-10-19 14:31:08,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247277294] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:08,013 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:08,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:08,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899783362] [2021-10-19 14:31:08,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:08,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:08,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:08,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:08,014 INFO L87 Difference]: Start difference. First operand 2904 states and 5644 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:10,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:10,213 INFO L93 Difference]: Finished difference Result 5705 states and 10928 transitions. [2021-10-19 14:31:10,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-19 14:31:10,213 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:31:10,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:10,219 INFO L225 Difference]: With dead ends: 5705 [2021-10-19 14:31:10,219 INFO L226 Difference]: Without dead ends: 5685 [2021-10-19 14:31:10,219 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1112 ImplicationChecksByTransitivity, 774.8ms TimeCoverageRelationStatistics Valid=743, Invalid=3547, Unknown=0, NotChecked=0, Total=4290 [2021-10-19 14:31:10,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5685 states. [2021-10-19 14:31:10,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5685 to 2913. [2021-10-19 14:31:10,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2913 states, 2901 states have (on average 1.9517407790417098) internal successors, (5662), 2912 states have internal predecessors, (5662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:10,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2913 states to 2913 states and 5662 transitions. [2021-10-19 14:31:10,249 INFO L78 Accepts]: Start accepts. Automaton has 2913 states and 5662 transitions. Word has length 123 [2021-10-19 14:31:10,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:10,249 INFO L470 AbstractCegarLoop]: Abstraction has 2913 states and 5662 transitions. [2021-10-19 14:31:10,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:10,249 INFO L276 IsEmpty]: Start isEmpty. Operand 2913 states and 5662 transitions. [2021-10-19 14:31:10,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:31:10,250 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:10,250 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:10,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2021-10-19 14:31:10,250 INFO L402 AbstractCegarLoop]: === Iteration 174 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:10,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:10,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1875626532, now seen corresponding path program 103 times [2021-10-19 14:31:10,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:10,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200418532] [2021-10-19 14:31:10,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:10,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:10,473 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 14:31:10,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:10,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200418532] [2021-10-19 14:31:10,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200418532] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:10,473 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:10,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:10,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666704199] [2021-10-19 14:31:10,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:10,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:10,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:10,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:10,474 INFO L87 Difference]: Start difference. First operand 2913 states and 5662 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:13,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:13,116 INFO L93 Difference]: Finished difference Result 5743 states and 11009 transitions. [2021-10-19 14:31:13,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:31:13,117 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:31:13,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:13,123 INFO L225 Difference]: With dead ends: 5743 [2021-10-19 14:31:13,123 INFO L226 Difference]: Without dead ends: 5743 [2021-10-19 14:31:13,123 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1309 ImplicationChecksByTransitivity, 1021.2ms TimeCoverageRelationStatistics Valid=827, Invalid=4003, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:31:13,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5743 states. [2021-10-19 14:31:13,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5743 to 2915. [2021-10-19 14:31:13,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2915 states, 2903 states have (on average 1.9517740268687565) internal successors, (5666), 2914 states have internal predecessors, (5666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:13,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 2915 states and 5666 transitions. [2021-10-19 14:31:13,152 INFO L78 Accepts]: Start accepts. Automaton has 2915 states and 5666 transitions. Word has length 123 [2021-10-19 14:31:13,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:13,152 INFO L470 AbstractCegarLoop]: Abstraction has 2915 states and 5666 transitions. [2021-10-19 14:31:13,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:13,152 INFO L276 IsEmpty]: Start isEmpty. Operand 2915 states and 5666 transitions. [2021-10-19 14:31:13,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:31:13,153 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:13,153 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:13,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2021-10-19 14:31:13,153 INFO L402 AbstractCegarLoop]: === Iteration 175 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:13,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:13,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1782519264, now seen corresponding path program 104 times [2021-10-19 14:31:13,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:13,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275382898] [2021-10-19 14:31:13,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:13,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:13,376 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 14:31:13,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:13,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275382898] [2021-10-19 14:31:13,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275382898] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:13,376 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:13,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:13,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421004777] [2021-10-19 14:31:13,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:13,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:13,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:13,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:13,377 INFO L87 Difference]: Start difference. First operand 2915 states and 5666 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:16,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:16,116 INFO L93 Difference]: Finished difference Result 5825 states and 11167 transitions. [2021-10-19 14:31:16,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:31:16,117 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:31:16,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:16,122 INFO L225 Difference]: With dead ends: 5825 [2021-10-19 14:31:16,122 INFO L226 Difference]: Without dead ends: 5825 [2021-10-19 14:31:16,122 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1311 ImplicationChecksByTransitivity, 978.6ms TimeCoverageRelationStatistics Valid=820, Invalid=4010, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:31:16,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5825 states. [2021-10-19 14:31:16,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5825 to 2927. [2021-10-19 14:31:16,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2927 states, 2915 states have (on average 1.9523156089193825) internal successors, (5691), 2926 states have internal predecessors, (5691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:16,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2927 states to 2927 states and 5691 transitions. [2021-10-19 14:31:16,156 INFO L78 Accepts]: Start accepts. Automaton has 2927 states and 5691 transitions. Word has length 123 [2021-10-19 14:31:16,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:16,156 INFO L470 AbstractCegarLoop]: Abstraction has 2927 states and 5691 transitions. [2021-10-19 14:31:16,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:16,156 INFO L276 IsEmpty]: Start isEmpty. Operand 2927 states and 5691 transitions. [2021-10-19 14:31:16,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:31:16,157 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:16,157 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:16,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2021-10-19 14:31:16,157 INFO L402 AbstractCegarLoop]: === Iteration 176 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:16,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:16,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1362010040, now seen corresponding path program 105 times [2021-10-19 14:31:16,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:16,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967516815] [2021-10-19 14:31:16,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:16,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:16,379 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 14:31:16,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:16,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967516815] [2021-10-19 14:31:16,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967516815] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:16,379 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:16,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:16,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973089405] [2021-10-19 14:31:16,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:16,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:16,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:16,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:16,380 INFO L87 Difference]: Start difference. First operand 2927 states and 5691 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:18,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:18,937 INFO L93 Difference]: Finished difference Result 5795 states and 11113 transitions. [2021-10-19 14:31:18,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-19 14:31:18,937 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:31:18,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:18,944 INFO L225 Difference]: With dead ends: 5795 [2021-10-19 14:31:18,944 INFO L226 Difference]: Without dead ends: 5795 [2021-10-19 14:31:18,945 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1273 ImplicationChecksByTransitivity, 1026.7ms TimeCoverageRelationStatistics Valid=786, Invalid=3906, Unknown=0, NotChecked=0, Total=4692 [2021-10-19 14:31:18,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5795 states. [2021-10-19 14:31:18,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5795 to 2931. [2021-10-19 14:31:18,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2931 states, 2919 states have (on average 1.9523809523809523) internal successors, (5699), 2930 states have internal predecessors, (5699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:18,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2931 states to 2931 states and 5699 transitions. [2021-10-19 14:31:18,987 INFO L78 Accepts]: Start accepts. Automaton has 2931 states and 5699 transitions. Word has length 123 [2021-10-19 14:31:18,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:18,987 INFO L470 AbstractCegarLoop]: Abstraction has 2931 states and 5699 transitions. [2021-10-19 14:31:18,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:18,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2931 states and 5699 transitions. [2021-10-19 14:31:18,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:31:18,988 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:18,989 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:18,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2021-10-19 14:31:18,989 INFO L402 AbstractCegarLoop]: === Iteration 177 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:18,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:18,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1455117308, now seen corresponding path program 106 times [2021-10-19 14:31:18,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:18,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140339145] [2021-10-19 14:31:18,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:18,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:19,211 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 14:31:19,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:19,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140339145] [2021-10-19 14:31:19,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140339145] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:19,211 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:19,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:19,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241070293] [2021-10-19 14:31:19,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:19,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:19,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:19,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:19,212 INFO L87 Difference]: Start difference. First operand 2931 states and 5699 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:22,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:22,041 INFO L93 Difference]: Finished difference Result 5953 states and 11419 transitions. [2021-10-19 14:31:22,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-19 14:31:22,041 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:31:22,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:22,049 INFO L225 Difference]: With dead ends: 5953 [2021-10-19 14:31:22,049 INFO L226 Difference]: Without dead ends: 5953 [2021-10-19 14:31:22,050 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1373 ImplicationChecksByTransitivity, 1058.7ms TimeCoverageRelationStatistics Valid=828, Invalid=4142, Unknown=0, NotChecked=0, Total=4970 [2021-10-19 14:31:22,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5953 states. [2021-10-19 14:31:22,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5953 to 2929. [2021-10-19 14:31:22,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2929 states, 2917 states have (on average 1.95234830305108) internal successors, (5695), 2928 states have internal predecessors, (5695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:22,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2929 states to 2929 states and 5695 transitions. [2021-10-19 14:31:22,093 INFO L78 Accepts]: Start accepts. Automaton has 2929 states and 5695 transitions. Word has length 123 [2021-10-19 14:31:22,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:22,093 INFO L470 AbstractCegarLoop]: Abstraction has 2929 states and 5695 transitions. [2021-10-19 14:31:22,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:22,093 INFO L276 IsEmpty]: Start isEmpty. Operand 2929 states and 5695 transitions. [2021-10-19 14:31:22,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:31:22,094 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:22,094 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:22,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2021-10-19 14:31:22,095 INFO L402 AbstractCegarLoop]: === Iteration 178 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:22,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:22,095 INFO L82 PathProgramCache]: Analyzing trace with hash 2133381944, now seen corresponding path program 107 times [2021-10-19 14:31:22,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:22,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732914385] [2021-10-19 14:31:22,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:22,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:22,307 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 14:31:22,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:22,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732914385] [2021-10-19 14:31:22,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732914385] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:22,307 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:22,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:22,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568851962] [2021-10-19 14:31:22,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:22,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:22,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:22,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:22,308 INFO L87 Difference]: Start difference. First operand 2929 states and 5695 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:24,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:24,875 INFO L93 Difference]: Finished difference Result 5915 states and 11347 transitions. [2021-10-19 14:31:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-10-19 14:31:24,876 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:31:24,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:24,881 INFO L225 Difference]: With dead ends: 5915 [2021-10-19 14:31:24,881 INFO L226 Difference]: Without dead ends: 5915 [2021-10-19 14:31:24,881 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1429 ImplicationChecksByTransitivity, 970.6ms TimeCoverageRelationStatistics Valid=923, Invalid=4333, Unknown=0, NotChecked=0, Total=5256 [2021-10-19 14:31:24,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5915 states. [2021-10-19 14:31:24,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5915 to 2941. [2021-10-19 14:31:24,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2941 states, 2929 states have (on average 1.9528849436667806) internal successors, (5720), 2940 states have internal predecessors, (5720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:24,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2941 states to 2941 states and 5720 transitions. [2021-10-19 14:31:24,912 INFO L78 Accepts]: Start accepts. Automaton has 2941 states and 5720 transitions. Word has length 123 [2021-10-19 14:31:24,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:24,912 INFO L470 AbstractCegarLoop]: Abstraction has 2941 states and 5720 transitions. [2021-10-19 14:31:24,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:24,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2941 states and 5720 transitions. [2021-10-19 14:31:24,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:31:24,913 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:24,913 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:24,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2021-10-19 14:31:24,914 INFO L402 AbstractCegarLoop]: === Iteration 179 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:24,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:24,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1775418542, now seen corresponding path program 108 times [2021-10-19 14:31:24,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:24,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072134293] [2021-10-19 14:31:24,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:24,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:25,151 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 14:31:25,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:25,152 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072134293] [2021-10-19 14:31:25,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072134293] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:25,152 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:25,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:25,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470877114] [2021-10-19 14:31:25,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:25,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:25,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:25,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:25,152 INFO L87 Difference]: Start difference. First operand 2941 states and 5720 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:27,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:27,369 INFO L93 Difference]: Finished difference Result 5847 states and 11217 transitions. [2021-10-19 14:31:27,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:31:27,370 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:31:27,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:27,387 INFO L225 Difference]: With dead ends: 5847 [2021-10-19 14:31:27,387 INFO L226 Difference]: Without dead ends: 5847 [2021-10-19 14:31:27,388 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1235 ImplicationChecksByTransitivity, 932.9ms TimeCoverageRelationStatistics Valid=751, Invalid=3805, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:31:27,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5847 states. [2021-10-19 14:31:27,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5847 to 2947. [2021-10-19 14:31:27,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2947 states, 2935 states have (on average 1.9529812606473596) internal successors, (5732), 2946 states have internal predecessors, (5732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:27,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 5732 transitions. [2021-10-19 14:31:27,443 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 5732 transitions. Word has length 123 [2021-10-19 14:31:27,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:27,443 INFO L470 AbstractCegarLoop]: Abstraction has 2947 states and 5732 transitions. [2021-10-19 14:31:27,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:27,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 5732 transitions. [2021-10-19 14:31:27,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:31:27,444 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:27,444 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:27,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2021-10-19 14:31:27,445 INFO L402 AbstractCegarLoop]: === Iteration 180 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:27,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:27,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1682311274, now seen corresponding path program 109 times [2021-10-19 14:31:27,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:27,445 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049295568] [2021-10-19 14:31:27,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:27,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:27,674 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 14:31:27,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:27,674 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049295568] [2021-10-19 14:31:27,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049295568] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:27,674 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:27,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:27,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177908207] [2021-10-19 14:31:27,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:27,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:27,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:27,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:27,675 INFO L87 Difference]: Start difference. First operand 2947 states and 5732 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:30,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:30,462 INFO L93 Difference]: Finished difference Result 6005 states and 11523 transitions. [2021-10-19 14:31:30,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:31:30,462 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:31:30,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:30,469 INFO L225 Difference]: With dead ends: 6005 [2021-10-19 14:31:30,469 INFO L226 Difference]: Without dead ends: 6005 [2021-10-19 14:31:30,470 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1334 ImplicationChecksByTransitivity, 1060.1ms TimeCoverageRelationStatistics Valid=792, Invalid=4038, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:31:30,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6005 states. [2021-10-19 14:31:30,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6005 to 2945. [2021-10-19 14:31:30,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2945 states, 2933 states have (on average 1.9529491987725878) internal successors, (5728), 2944 states have internal predecessors, (5728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:30,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2945 states to 2945 states and 5728 transitions. [2021-10-19 14:31:30,505 INFO L78 Accepts]: Start accepts. Automaton has 2945 states and 5728 transitions. Word has length 123 [2021-10-19 14:31:30,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:30,505 INFO L470 AbstractCegarLoop]: Abstraction has 2945 states and 5728 transitions. [2021-10-19 14:31:30,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:30,505 INFO L276 IsEmpty]: Start isEmpty. Operand 2945 states and 5728 transitions. [2021-10-19 14:31:30,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:31:30,506 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:30,506 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:30,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2021-10-19 14:31:30,506 INFO L402 AbstractCegarLoop]: === Iteration 181 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:30,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:30,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1004046638, now seen corresponding path program 110 times [2021-10-19 14:31:30,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:30,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605378987] [2021-10-19 14:31:30,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:30,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:30,700 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 14:31:30,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:30,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605378987] [2021-10-19 14:31:30,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605378987] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:30,700 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:30,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:30,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278372088] [2021-10-19 14:31:30,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:30,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:30,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:30,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:30,701 INFO L87 Difference]: Start difference. First operand 2945 states and 5728 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:33,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:33,300 INFO L93 Difference]: Finished difference Result 6011 states and 11535 transitions. [2021-10-19 14:31:33,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-19 14:31:33,301 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:31:33,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:33,309 INFO L225 Difference]: With dead ends: 6011 [2021-10-19 14:31:33,309 INFO L226 Difference]: Without dead ends: 6011 [2021-10-19 14:31:33,309 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1720 ImplicationChecksByTransitivity, 1151.7ms TimeCoverageRelationStatistics Valid=1034, Invalid=4972, Unknown=0, NotChecked=0, Total=6006 [2021-10-19 14:31:33,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6011 states. [2021-10-19 14:31:33,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6011 to 2943. [2021-10-19 14:31:33,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2943 states, 2931 states have (on average 1.9529170931422724) internal successors, (5724), 2942 states have internal predecessors, (5724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:33,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2943 states to 2943 states and 5724 transitions. [2021-10-19 14:31:33,356 INFO L78 Accepts]: Start accepts. Automaton has 2943 states and 5724 transitions. Word has length 123 [2021-10-19 14:31:33,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:33,356 INFO L470 AbstractCegarLoop]: Abstraction has 2943 states and 5724 transitions. [2021-10-19 14:31:33,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:33,356 INFO L276 IsEmpty]: Start isEmpty. Operand 2943 states and 5724 transitions. [2021-10-19 14:31:33,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:31:33,357 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:33,357 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:33,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2021-10-19 14:31:33,357 INFO L402 AbstractCegarLoop]: === Iteration 182 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:33,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:33,357 INFO L82 PathProgramCache]: Analyzing trace with hash -238337932, now seen corresponding path program 111 times [2021-10-19 14:31:33,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:33,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207202227] [2021-10-19 14:31:33,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:33,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:33,578 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 14:31:33,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:33,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207202227] [2021-10-19 14:31:33,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207202227] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:33,579 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:33,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:33,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092609288] [2021-10-19 14:31:33,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:33,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:33,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:33,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:33,579 INFO L87 Difference]: Start difference. First operand 2943 states and 5724 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:36,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:36,216 INFO L93 Difference]: Finished difference Result 6005 states and 11527 transitions. [2021-10-19 14:31:36,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-19 14:31:36,216 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:31:36,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:36,225 INFO L225 Difference]: With dead ends: 6005 [2021-10-19 14:31:36,225 INFO L226 Difference]: Without dead ends: 6005 [2021-10-19 14:31:36,225 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1605 ImplicationChecksByTransitivity, 1076.5ms TimeCoverageRelationStatistics Valid=967, Invalid=4733, Unknown=0, NotChecked=0, Total=5700 [2021-10-19 14:31:36,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6005 states. [2021-10-19 14:31:36,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6005 to 2955. [2021-10-19 14:31:36,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2955 states, 2943 states have (on average 1.9534488617057424) internal successors, (5749), 2954 states have internal predecessors, (5749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:36,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2955 states to 2955 states and 5749 transitions. [2021-10-19 14:31:36,260 INFO L78 Accepts]: Start accepts. Automaton has 2955 states and 5749 transitions. Word has length 123 [2021-10-19 14:31:36,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:36,261 INFO L470 AbstractCegarLoop]: Abstraction has 2955 states and 5749 transitions. [2021-10-19 14:31:36,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:36,261 INFO L276 IsEmpty]: Start isEmpty. Operand 2955 states and 5749 transitions. [2021-10-19 14:31:36,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:31:36,262 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:36,262 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:36,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2021-10-19 14:31:36,262 INFO L402 AbstractCegarLoop]: === Iteration 183 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:36,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:36,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1600567610, now seen corresponding path program 112 times [2021-10-19 14:31:36,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:36,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190883871] [2021-10-19 14:31:36,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:36,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:36,480 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 14:31:36,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:36,481 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190883871] [2021-10-19 14:31:36,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190883871] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:36,481 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:36,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:36,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632840024] [2021-10-19 14:31:36,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:36,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:36,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:36,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:36,481 INFO L87 Difference]: Start difference. First operand 2955 states and 5749 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:38,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:38,886 INFO L93 Difference]: Finished difference Result 5821 states and 11171 transitions. [2021-10-19 14:31:38,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-19 14:31:38,886 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:31:38,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:38,894 INFO L225 Difference]: With dead ends: 5821 [2021-10-19 14:31:38,894 INFO L226 Difference]: Without dead ends: 5821 [2021-10-19 14:31:38,894 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1197 ImplicationChecksByTransitivity, 717.3ms TimeCoverageRelationStatistics Valid=708, Invalid=3714, Unknown=0, NotChecked=0, Total=4422 [2021-10-19 14:31:38,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5821 states. [2021-10-19 14:31:38,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5821 to 2961. [2021-10-19 14:31:38,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2961 states, 2949 states have (on average 1.9535435740929128) internal successors, (5761), 2960 states have internal predecessors, (5761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:38,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2961 states to 2961 states and 5761 transitions. [2021-10-19 14:31:38,938 INFO L78 Accepts]: Start accepts. Automaton has 2961 states and 5761 transitions. Word has length 123 [2021-10-19 14:31:38,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:38,938 INFO L470 AbstractCegarLoop]: Abstraction has 2961 states and 5761 transitions. [2021-10-19 14:31:38,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:38,938 INFO L276 IsEmpty]: Start isEmpty. Operand 2961 states and 5761 transitions. [2021-10-19 14:31:38,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:31:38,939 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:38,939 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:38,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2021-10-19 14:31:38,939 INFO L402 AbstractCegarLoop]: === Iteration 184 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:38,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:38,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1507460342, now seen corresponding path program 113 times [2021-10-19 14:31:38,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:38,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578263277] [2021-10-19 14:31:38,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:38,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:39,169 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 14:31:39,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:39,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578263277] [2021-10-19 14:31:39,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578263277] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:39,170 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:39,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:39,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219651911] [2021-10-19 14:31:39,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:39,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:39,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:39,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:39,171 INFO L87 Difference]: Start difference. First operand 2961 states and 5761 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:41,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:41,588 INFO L93 Difference]: Finished difference Result 5979 states and 11477 transitions. [2021-10-19 14:31:41,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:31:41,589 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:31:41,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:41,608 INFO L225 Difference]: With dead ends: 5979 [2021-10-19 14:31:41,608 INFO L226 Difference]: Without dead ends: 5979 [2021-10-19 14:31:41,609 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1296 ImplicationChecksByTransitivity, 868.0ms TimeCoverageRelationStatistics Valid=748, Invalid=3944, Unknown=0, NotChecked=0, Total=4692 [2021-10-19 14:31:41,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5979 states. [2021-10-19 14:31:41,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5979 to 2959. [2021-10-19 14:31:41,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2959 states, 2947 states have (on average 1.9535120461486257) internal successors, (5757), 2958 states have internal predecessors, (5757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:41,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 2959 states and 5757 transitions. [2021-10-19 14:31:41,642 INFO L78 Accepts]: Start accepts. Automaton has 2959 states and 5757 transitions. Word has length 123 [2021-10-19 14:31:41,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:41,642 INFO L470 AbstractCegarLoop]: Abstraction has 2959 states and 5757 transitions. [2021-10-19 14:31:41,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:41,643 INFO L276 IsEmpty]: Start isEmpty. Operand 2959 states and 5757 transitions. [2021-10-19 14:31:41,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:31:41,643 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:41,644 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:41,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2021-10-19 14:31:41,644 INFO L402 AbstractCegarLoop]: === Iteration 185 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:41,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:41,644 INFO L82 PathProgramCache]: Analyzing trace with hash -829195706, now seen corresponding path program 114 times [2021-10-19 14:31:41,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:41,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197936832] [2021-10-19 14:31:41,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:41,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:41,836 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 14:31:41,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:41,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197936832] [2021-10-19 14:31:41,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197936832] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:41,836 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:41,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:41,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875010322] [2021-10-19 14:31:41,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:41,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:41,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:41,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:41,837 INFO L87 Difference]: Start difference. First operand 2959 states and 5757 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:44,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:44,173 INFO L93 Difference]: Finished difference Result 6067 states and 11653 transitions. [2021-10-19 14:31:44,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:31:44,173 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:31:44,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:44,179 INFO L225 Difference]: With dead ends: 6067 [2021-10-19 14:31:44,179 INFO L226 Difference]: Without dead ends: 6067 [2021-10-19 14:31:44,180 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1364 ImplicationChecksByTransitivity, 799.3ms TimeCoverageRelationStatistics Valid=830, Invalid=4140, Unknown=0, NotChecked=0, Total=4970 [2021-10-19 14:31:44,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6067 states. [2021-10-19 14:31:44,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6067 to 2957. [2021-10-19 14:31:44,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2957 states, 2945 states have (on average 1.9534804753820034) internal successors, (5753), 2956 states have internal predecessors, (5753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:44,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2957 states to 2957 states and 5753 transitions. [2021-10-19 14:31:44,221 INFO L78 Accepts]: Start accepts. Automaton has 2957 states and 5753 transitions. Word has length 123 [2021-10-19 14:31:44,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:44,221 INFO L470 AbstractCegarLoop]: Abstraction has 2957 states and 5753 transitions. [2021-10-19 14:31:44,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:44,221 INFO L276 IsEmpty]: Start isEmpty. Operand 2957 states and 5753 transitions. [2021-10-19 14:31:44,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:31:44,222 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:44,222 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:44,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2021-10-19 14:31:44,222 INFO L402 AbstractCegarLoop]: === Iteration 186 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:44,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:44,223 INFO L82 PathProgramCache]: Analyzing trace with hash -63487000, now seen corresponding path program 115 times [2021-10-19 14:31:44,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:44,223 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414145966] [2021-10-19 14:31:44,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:44,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:44,411 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 14:31:44,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:44,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414145966] [2021-10-19 14:31:44,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414145966] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:44,412 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:44,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:44,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795660507] [2021-10-19 14:31:44,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:44,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:44,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:44,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:44,412 INFO L87 Difference]: Start difference. First operand 2957 states and 5753 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:46,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:46,941 INFO L93 Difference]: Finished difference Result 6155 states and 11829 transitions. [2021-10-19 14:31:46,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:31:46,941 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:31:46,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:46,948 INFO L225 Difference]: With dead ends: 6155 [2021-10-19 14:31:46,948 INFO L226 Difference]: Without dead ends: 6155 [2021-10-19 14:31:46,948 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1478 ImplicationChecksByTransitivity, 970.6ms TimeCoverageRelationStatistics Valid=864, Invalid=4392, Unknown=0, NotChecked=0, Total=5256 [2021-10-19 14:31:46,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6155 states. [2021-10-19 14:31:46,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6155 to 2955. [2021-10-19 14:31:46,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2955 states, 2943 states have (on average 1.9534488617057424) internal successors, (5749), 2954 states have internal predecessors, (5749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:46,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2955 states to 2955 states and 5749 transitions. [2021-10-19 14:31:46,979 INFO L78 Accepts]: Start accepts. Automaton has 2955 states and 5749 transitions. Word has length 123 [2021-10-19 14:31:46,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:46,979 INFO L470 AbstractCegarLoop]: Abstraction has 2955 states and 5749 transitions. [2021-10-19 14:31:46,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:46,979 INFO L276 IsEmpty]: Start isEmpty. Operand 2955 states and 5749 transitions. [2021-10-19 14:31:46,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:31:46,980 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:46,980 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:46,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2021-10-19 14:31:46,980 INFO L402 AbstractCegarLoop]: === Iteration 187 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:46,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:46,981 INFO L82 PathProgramCache]: Analyzing trace with hash 18673100, now seen corresponding path program 56 times [2021-10-19 14:31:46,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:46,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801711995] [2021-10-19 14:31:46,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:46,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:47,187 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 14:31:47,187 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:47,188 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801711995] [2021-10-19 14:31:47,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801711995] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:47,188 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:47,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:47,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221149698] [2021-10-19 14:31:47,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:47,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:47,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:47,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:47,188 INFO L87 Difference]: Start difference. First operand 2955 states and 5749 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:48,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:48,858 INFO L93 Difference]: Finished difference Result 4487 states and 8657 transitions. [2021-10-19 14:31:48,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-19 14:31:48,858 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:31:48,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:48,863 INFO L225 Difference]: With dead ends: 4487 [2021-10-19 14:31:48,863 INFO L226 Difference]: Without dead ends: 4487 [2021-10-19 14:31:48,863 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1289 ImplicationChecksByTransitivity, 690.1ms TimeCoverageRelationStatistics Valid=756, Invalid=3800, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:31:48,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4487 states. [2021-10-19 14:31:48,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4487 to 2836. [2021-10-19 14:31:48,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2836 states, 2826 states have (on average 1.9508138711960368) internal successors, (5513), 2835 states have internal predecessors, (5513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:48,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 2836 states and 5513 transitions. [2021-10-19 14:31:48,890 INFO L78 Accepts]: Start accepts. Automaton has 2836 states and 5513 transitions. Word has length 123 [2021-10-19 14:31:48,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:48,890 INFO L470 AbstractCegarLoop]: Abstraction has 2836 states and 5513 transitions. [2021-10-19 14:31:48,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:48,890 INFO L276 IsEmpty]: Start isEmpty. Operand 2836 states and 5513 transitions. [2021-10-19 14:31:48,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:31:48,891 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:48,891 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:48,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2021-10-19 14:31:48,891 INFO L402 AbstractCegarLoop]: === Iteration 188 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:48,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:48,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1303928520, now seen corresponding path program 116 times [2021-10-19 14:31:48,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:48,891 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937749583] [2021-10-19 14:31:48,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:48,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:49,084 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 14:31:49,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:49,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937749583] [2021-10-19 14:31:49,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937749583] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:49,085 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:49,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:49,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99704626] [2021-10-19 14:31:49,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:49,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:49,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:49,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:49,085 INFO L87 Difference]: Start difference. First operand 2836 states and 5513 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:51,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:51,288 INFO L93 Difference]: Finished difference Result 5255 states and 10116 transitions. [2021-10-19 14:31:51,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-19 14:31:51,288 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:31:51,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:51,293 INFO L225 Difference]: With dead ends: 5255 [2021-10-19 14:31:51,293 INFO L226 Difference]: Without dead ends: 5255 [2021-10-19 14:31:51,293 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1215 ImplicationChecksByTransitivity, 714.6ms TimeCoverageRelationStatistics Valid=733, Invalid=3823, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:31:51,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5255 states. [2021-10-19 14:31:51,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5255 to 2708. [2021-10-19 14:31:51,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2708 states, 2698 states have (on average 1.9484803558191253) internal successors, (5257), 2707 states have internal predecessors, (5257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:51,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 2708 states and 5257 transitions. [2021-10-19 14:31:51,319 INFO L78 Accepts]: Start accepts. Automaton has 2708 states and 5257 transitions. Word has length 123 [2021-10-19 14:31:51,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:51,320 INFO L470 AbstractCegarLoop]: Abstraction has 2708 states and 5257 transitions. [2021-10-19 14:31:51,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:51,320 INFO L276 IsEmpty]: Start isEmpty. Operand 2708 states and 5257 transitions. [2021-10-19 14:31:51,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:31:51,320 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:51,321 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:51,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2021-10-19 14:31:51,321 INFO L402 AbstractCegarLoop]: === Iteration 189 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:51,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:51,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1115672930, now seen corresponding path program 117 times [2021-10-19 14:31:51,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:51,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909861132] [2021-10-19 14:31:51,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:51,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:51,548 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 14:31:51,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:51,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909861132] [2021-10-19 14:31:51,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909861132] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:51,548 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:51,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:51,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140259345] [2021-10-19 14:31:51,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:51,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:51,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:51,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:51,549 INFO L87 Difference]: Start difference. First operand 2708 states and 5257 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:53,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:53,218 INFO L93 Difference]: Finished difference Result 4315 states and 8297 transitions. [2021-10-19 14:31:53,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-19 14:31:53,219 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:31:53,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:53,223 INFO L225 Difference]: With dead ends: 4315 [2021-10-19 14:31:53,223 INFO L226 Difference]: Without dead ends: 4315 [2021-10-19 14:31:53,223 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 753 ImplicationChecksByTransitivity, 701.2ms TimeCoverageRelationStatistics Valid=531, Invalid=2661, Unknown=0, NotChecked=0, Total=3192 [2021-10-19 14:31:53,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4315 states. [2021-10-19 14:31:53,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4315 to 2716. [2021-10-19 14:31:53,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2706 states have (on average 1.9486326681448634) internal successors, (5273), 2715 states have internal predecessors, (5273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:53,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 5273 transitions. [2021-10-19 14:31:53,247 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 5273 transitions. Word has length 123 [2021-10-19 14:31:53,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:53,248 INFO L470 AbstractCegarLoop]: Abstraction has 2716 states and 5273 transitions. [2021-10-19 14:31:53,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:53,248 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 5273 transitions. [2021-10-19 14:31:53,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:31:53,248 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:53,249 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:53,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2021-10-19 14:31:53,249 INFO L402 AbstractCegarLoop]: === Iteration 190 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:53,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:53,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1926341902, now seen corresponding path program 118 times [2021-10-19 14:31:53,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:53,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469356608] [2021-10-19 14:31:53,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:53,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:53,473 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 14:31:53,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:53,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469356608] [2021-10-19 14:31:53,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469356608] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:53,473 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:53,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:53,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283631799] [2021-10-19 14:31:53,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:53,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:53,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:53,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:53,474 INFO L87 Difference]: Start difference. First operand 2716 states and 5273 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:55,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:55,373 INFO L93 Difference]: Finished difference Result 4393 states and 8449 transitions. [2021-10-19 14:31:55,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:31:55,373 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:31:55,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:55,378 INFO L225 Difference]: With dead ends: 4393 [2021-10-19 14:31:55,378 INFO L226 Difference]: Without dead ends: 4393 [2021-10-19 14:31:55,378 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 919 ImplicationChecksByTransitivity, 928.0ms TimeCoverageRelationStatistics Valid=598, Invalid=3062, Unknown=0, NotChecked=0, Total=3660 [2021-10-19 14:31:55,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4393 states. [2021-10-19 14:31:55,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4393 to 2718. [2021-10-19 14:31:55,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2708 states have (on average 1.9486706056129985) internal successors, (5277), 2717 states have internal predecessors, (5277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:55,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 5277 transitions. [2021-10-19 14:31:55,402 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 5277 transitions. Word has length 123 [2021-10-19 14:31:55,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:55,402 INFO L470 AbstractCegarLoop]: Abstraction has 2718 states and 5277 transitions. [2021-10-19 14:31:55,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:55,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 5277 transitions. [2021-10-19 14:31:55,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:31:55,403 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:55,403 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:55,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2021-10-19 14:31:55,404 INFO L402 AbstractCegarLoop]: === Iteration 191 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:55,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:55,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1833234634, now seen corresponding path program 119 times [2021-10-19 14:31:55,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:55,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559231157] [2021-10-19 14:31:55,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:55,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:55,631 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 14:31:55,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:55,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559231157] [2021-10-19 14:31:55,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559231157] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:55,631 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:55,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:55,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974078786] [2021-10-19 14:31:55,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:55,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:55,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:55,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:55,632 INFO L87 Difference]: Start difference. First operand 2718 states and 5277 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:57,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:57,713 INFO L93 Difference]: Finished difference Result 4430 states and 8522 transitions. [2021-10-19 14:31:57,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:31:57,713 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:31:57,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:57,718 INFO L225 Difference]: With dead ends: 4430 [2021-10-19 14:31:57,718 INFO L226 Difference]: Without dead ends: 4430 [2021-10-19 14:31:57,718 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 918.6ms TimeCoverageRelationStatistics Valid=589, Invalid=3071, Unknown=0, NotChecked=0, Total=3660 [2021-10-19 14:31:57,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4430 states. [2021-10-19 14:31:57,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4430 to 2713. [2021-10-19 14:31:57,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2713 states, 2703 states have (on average 1.9485756566777654) internal successors, (5267), 2712 states have internal predecessors, (5267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:57,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2713 states to 2713 states and 5267 transitions. [2021-10-19 14:31:57,753 INFO L78 Accepts]: Start accepts. Automaton has 2713 states and 5267 transitions. Word has length 123 [2021-10-19 14:31:57,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:57,753 INFO L470 AbstractCegarLoop]: Abstraction has 2713 states and 5267 transitions. [2021-10-19 14:31:57,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:57,753 INFO L276 IsEmpty]: Start isEmpty. Operand 2713 states and 5267 transitions. [2021-10-19 14:31:57,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:31:57,754 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:57,754 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:57,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2021-10-19 14:31:57,755 INFO L402 AbstractCegarLoop]: === Iteration 192 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:57,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:57,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1840393616, now seen corresponding path program 120 times [2021-10-19 14:31:57,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:57,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441406682] [2021-10-19 14:31:57,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:57,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:57,980 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 14:31:57,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:57,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441406682] [2021-10-19 14:31:57,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441406682] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:57,980 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:57,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:57,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722943886] [2021-10-19 14:31:57,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:57,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:57,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:57,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:57,981 INFO L87 Difference]: Start difference. First operand 2713 states and 5267 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:59,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:59,962 INFO L93 Difference]: Finished difference Result 4309 states and 8287 transitions. [2021-10-19 14:31:59,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-19 14:31:59,962 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:31:59,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:59,966 INFO L225 Difference]: With dead ends: 4309 [2021-10-19 14:31:59,966 INFO L226 Difference]: Without dead ends: 4309 [2021-10-19 14:31:59,966 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 804 ImplicationChecksByTransitivity, 828.9ms TimeCoverageRelationStatistics Valid=526, Invalid=2780, Unknown=0, NotChecked=0, Total=3306 [2021-10-19 14:31:59,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4309 states. [2021-10-19 14:31:59,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4309 to 2717. [2021-10-19 14:31:59,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2717 states, 2707 states have (on average 1.948651643886221) internal successors, (5275), 2716 states have internal predecessors, (5275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:59,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 2717 states and 5275 transitions. [2021-10-19 14:31:59,990 INFO L78 Accepts]: Start accepts. Automaton has 2717 states and 5275 transitions. Word has length 123 [2021-10-19 14:31:59,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:59,990 INFO L470 AbstractCegarLoop]: Abstraction has 2717 states and 5275 transitions. [2021-10-19 14:31:59,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:59,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 5275 transitions. [2021-10-19 14:31:59,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:31:59,991 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:59,992 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:31:59,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2021-10-19 14:31:59,992 INFO L402 AbstractCegarLoop]: === Iteration 193 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:59,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:59,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1747286348, now seen corresponding path program 121 times [2021-10-19 14:31:59,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:59,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508829896] [2021-10-19 14:31:59,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:59,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:00,216 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 14:32:00,217 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:00,217 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508829896] [2021-10-19 14:32:00,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508829896] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:00,217 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:00,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:00,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614025823] [2021-10-19 14:32:00,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:00,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:00,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:00,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:00,217 INFO L87 Difference]: Start difference. First operand 2717 states and 5275 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:02,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:02,309 INFO L93 Difference]: Finished difference Result 4422 states and 8508 transitions. [2021-10-19 14:32:02,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-19 14:32:02,309 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:32:02,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:02,314 INFO L225 Difference]: With dead ends: 4422 [2021-10-19 14:32:02,314 INFO L226 Difference]: Without dead ends: 4422 [2021-10-19 14:32:02,314 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 886 ImplicationChecksByTransitivity, 916.6ms TimeCoverageRelationStatistics Valid=554, Invalid=2986, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:32:02,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4422 states. [2021-10-19 14:32:02,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4422 to 2715. [2021-10-19 14:32:02,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2715 states, 2705 states have (on average 1.9486136783733827) internal successors, (5271), 2714 states have internal predecessors, (5271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:02,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2715 states and 5271 transitions. [2021-10-19 14:32:02,343 INFO L78 Accepts]: Start accepts. Automaton has 2715 states and 5271 transitions. Word has length 123 [2021-10-19 14:32:02,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:02,343 INFO L470 AbstractCegarLoop]: Abstraction has 2715 states and 5271 transitions. [2021-10-19 14:32:02,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:02,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2715 states and 5271 transitions. [2021-10-19 14:32:02,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:32:02,344 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:02,344 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:02,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2021-10-19 14:32:02,344 INFO L402 AbstractCegarLoop]: === Iteration 194 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:02,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:02,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1069021712, now seen corresponding path program 122 times [2021-10-19 14:32:02,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:02,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699956584] [2021-10-19 14:32:02,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:02,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:02,547 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 14:32:02,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:02,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699956584] [2021-10-19 14:32:02,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699956584] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:02,548 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:02,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:02,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698555612] [2021-10-19 14:32:02,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:02,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:02,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:02,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:02,548 INFO L87 Difference]: Start difference. First operand 2715 states and 5271 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:04,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:04,353 INFO L93 Difference]: Finished difference Result 4484 states and 8636 transitions. [2021-10-19 14:32:04,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-19 14:32:04,353 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:32:04,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:04,358 INFO L225 Difference]: With dead ends: 4484 [2021-10-19 14:32:04,358 INFO L226 Difference]: Without dead ends: 4484 [2021-10-19 14:32:04,358 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1093 ImplicationChecksByTransitivity, 809.1ms TimeCoverageRelationStatistics Valid=735, Invalid=3555, Unknown=0, NotChecked=0, Total=4290 [2021-10-19 14:32:04,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4484 states. [2021-10-19 14:32:04,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4484 to 2709. [2021-10-19 14:32:04,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2709 states, 2699 states have (on average 1.948499444238607) internal successors, (5259), 2708 states have internal predecessors, (5259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:04,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2709 states to 2709 states and 5259 transitions. [2021-10-19 14:32:04,383 INFO L78 Accepts]: Start accepts. Automaton has 2709 states and 5259 transitions. Word has length 123 [2021-10-19 14:32:04,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:04,383 INFO L470 AbstractCegarLoop]: Abstraction has 2709 states and 5259 transitions. [2021-10-19 14:32:04,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:04,383 INFO L276 IsEmpty]: Start isEmpty. Operand 2709 states and 5259 transitions. [2021-10-19 14:32:04,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:32:04,384 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:04,384 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:04,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2021-10-19 14:32:04,384 INFO L402 AbstractCegarLoop]: === Iteration 195 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:04,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:04,384 INFO L82 PathProgramCache]: Analyzing trace with hash -535796886, now seen corresponding path program 123 times [2021-10-19 14:32:04,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:04,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878874189] [2021-10-19 14:32:04,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:04,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:04,615 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 14:32:04,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:04,615 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878874189] [2021-10-19 14:32:04,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878874189] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:04,615 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:04,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:04,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134774950] [2021-10-19 14:32:04,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:04,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:04,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:04,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:04,616 INFO L87 Difference]: Start difference. First operand 2709 states and 5259 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:06,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:06,287 INFO L93 Difference]: Finished difference Result 4329 states and 8325 transitions. [2021-10-19 14:32:06,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-19 14:32:06,287 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:32:06,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:06,292 INFO L225 Difference]: With dead ends: 4329 [2021-10-19 14:32:06,292 INFO L226 Difference]: Without dead ends: 4329 [2021-10-19 14:32:06,292 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 820 ImplicationChecksByTransitivity, 696.8ms TimeCoverageRelationStatistics Valid=582, Invalid=2840, Unknown=0, NotChecked=0, Total=3422 [2021-10-19 14:32:06,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4329 states. [2021-10-19 14:32:06,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4329 to 2718. [2021-10-19 14:32:06,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2708 states have (on average 1.9486706056129985) internal successors, (5277), 2717 states have internal predecessors, (5277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:06,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 5277 transitions. [2021-10-19 14:32:06,327 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 5277 transitions. Word has length 123 [2021-10-19 14:32:06,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:06,327 INFO L470 AbstractCegarLoop]: Abstraction has 2718 states and 5277 transitions. [2021-10-19 14:32:06,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:06,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 5277 transitions. [2021-10-19 14:32:06,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:32:06,328 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:06,328 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:06,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2021-10-19 14:32:06,328 INFO L402 AbstractCegarLoop]: === Iteration 196 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:06,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:06,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1346465858, now seen corresponding path program 124 times [2021-10-19 14:32:06,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:06,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004503140] [2021-10-19 14:32:06,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:06,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:06,552 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 14:32:06,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:06,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004503140] [2021-10-19 14:32:06,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004503140] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:06,553 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:06,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:06,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607309324] [2021-10-19 14:32:06,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:06,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:06,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:06,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:06,553 INFO L87 Difference]: Start difference. First operand 2718 states and 5277 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:08,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:08,429 INFO L93 Difference]: Finished difference Result 4407 states and 8477 transitions. [2021-10-19 14:32:08,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-19 14:32:08,429 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:32:08,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:08,433 INFO L225 Difference]: With dead ends: 4407 [2021-10-19 14:32:08,433 INFO L226 Difference]: Without dead ends: 4407 [2021-10-19 14:32:08,434 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 989 ImplicationChecksByTransitivity, 949.0ms TimeCoverageRelationStatistics Valid=656, Invalid=3250, Unknown=0, NotChecked=0, Total=3906 [2021-10-19 14:32:08,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4407 states. [2021-10-19 14:32:08,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4407 to 2720. [2021-10-19 14:32:08,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2720 states, 2710 states have (on average 1.9487084870848708) internal successors, (5281), 2719 states have internal predecessors, (5281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:08,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2720 states to 2720 states and 5281 transitions. [2021-10-19 14:32:08,461 INFO L78 Accepts]: Start accepts. Automaton has 2720 states and 5281 transitions. Word has length 123 [2021-10-19 14:32:08,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:08,461 INFO L470 AbstractCegarLoop]: Abstraction has 2720 states and 5281 transitions. [2021-10-19 14:32:08,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:08,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2720 states and 5281 transitions. [2021-10-19 14:32:08,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:32:08,462 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:08,463 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:08,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2021-10-19 14:32:08,463 INFO L402 AbstractCegarLoop]: === Iteration 197 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:08,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:08,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1253358590, now seen corresponding path program 125 times [2021-10-19 14:32:08,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:08,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709747195] [2021-10-19 14:32:08,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:08,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:08,686 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 14:32:08,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:08,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709747195] [2021-10-19 14:32:08,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709747195] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:08,686 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:08,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:08,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822597617] [2021-10-19 14:32:08,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:08,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:08,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:08,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:08,687 INFO L87 Difference]: Start difference. First operand 2720 states and 5281 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:10,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:10,799 INFO L93 Difference]: Finished difference Result 4444 states and 8550 transitions. [2021-10-19 14:32:10,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-19 14:32:10,800 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:32:10,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:10,804 INFO L225 Difference]: With dead ends: 4444 [2021-10-19 14:32:10,804 INFO L226 Difference]: Without dead ends: 4444 [2021-10-19 14:32:10,805 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 992 ImplicationChecksByTransitivity, 959.0ms TimeCoverageRelationStatistics Valid=648, Invalid=3258, Unknown=0, NotChecked=0, Total=3906 [2021-10-19 14:32:10,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4444 states. [2021-10-19 14:32:10,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4444 to 2715. [2021-10-19 14:32:10,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2715 states, 2705 states have (on average 1.9486136783733827) internal successors, (5271), 2714 states have internal predecessors, (5271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:10,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2715 states and 5271 transitions. [2021-10-19 14:32:10,829 INFO L78 Accepts]: Start accepts. Automaton has 2715 states and 5271 transitions. Word has length 123 [2021-10-19 14:32:10,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:10,829 INFO L470 AbstractCegarLoop]: Abstraction has 2715 states and 5271 transitions. [2021-10-19 14:32:10,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:10,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2715 states and 5271 transitions. [2021-10-19 14:32:10,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:32:10,830 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:10,830 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:10,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2021-10-19 14:32:10,830 INFO L402 AbstractCegarLoop]: === Iteration 198 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:10,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:10,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1260517572, now seen corresponding path program 126 times [2021-10-19 14:32:10,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:10,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536410579] [2021-10-19 14:32:10,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:10,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:11,054 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 14:32:11,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:11,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536410579] [2021-10-19 14:32:11,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536410579] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:11,055 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:11,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:11,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959350640] [2021-10-19 14:32:11,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:11,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:11,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:11,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:11,056 INFO L87 Difference]: Start difference. First operand 2715 states and 5271 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:13,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:13,043 INFO L93 Difference]: Finished difference Result 4389 states and 8441 transitions. [2021-10-19 14:32:13,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-19 14:32:13,043 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:32:13,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:13,048 INFO L225 Difference]: With dead ends: 4389 [2021-10-19 14:32:13,048 INFO L226 Difference]: Without dead ends: 4389 [2021-10-19 14:32:13,049 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 958 ImplicationChecksByTransitivity, 886.3ms TimeCoverageRelationStatistics Valid=619, Invalid=3163, Unknown=0, NotChecked=0, Total=3782 [2021-10-19 14:32:13,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4389 states. [2021-10-19 14:32:13,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4389 to 2719. [2021-10-19 14:32:13,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2719 states, 2709 states have (on average 1.948689553340716) internal successors, (5279), 2718 states have internal predecessors, (5279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:13,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2719 states to 2719 states and 5279 transitions. [2021-10-19 14:32:13,076 INFO L78 Accepts]: Start accepts. Automaton has 2719 states and 5279 transitions. Word has length 123 [2021-10-19 14:32:13,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:13,076 INFO L470 AbstractCegarLoop]: Abstraction has 2719 states and 5279 transitions. [2021-10-19 14:32:13,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:13,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2719 states and 5279 transitions. [2021-10-19 14:32:13,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:32:13,077 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:13,077 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:13,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2021-10-19 14:32:13,077 INFO L402 AbstractCegarLoop]: === Iteration 199 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:13,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:13,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1167410304, now seen corresponding path program 127 times [2021-10-19 14:32:13,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:13,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960703445] [2021-10-19 14:32:13,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:13,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:13,301 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 14:32:13,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:13,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960703445] [2021-10-19 14:32:13,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960703445] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:13,301 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:13,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:13,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784476757] [2021-10-19 14:32:13,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:13,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:13,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:13,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:13,302 INFO L87 Difference]: Start difference. First operand 2719 states and 5279 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:15,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:15,414 INFO L93 Difference]: Finished difference Result 4502 states and 8662 transitions. [2021-10-19 14:32:15,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-10-19 14:32:15,414 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:32:15,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:15,418 INFO L225 Difference]: With dead ends: 4502 [2021-10-19 14:32:15,418 INFO L226 Difference]: Without dead ends: 4502 [2021-10-19 14:32:15,418 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1046 ImplicationChecksByTransitivity, 975.8ms TimeCoverageRelationStatistics Valid=654, Invalid=3378, Unknown=0, NotChecked=0, Total=4032 [2021-10-19 14:32:15,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4502 states. [2021-10-19 14:32:15,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4502 to 2717. [2021-10-19 14:32:15,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2717 states, 2707 states have (on average 1.948651643886221) internal successors, (5275), 2716 states have internal predecessors, (5275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:15,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 2717 states and 5275 transitions. [2021-10-19 14:32:15,442 INFO L78 Accepts]: Start accepts. Automaton has 2717 states and 5275 transitions. Word has length 123 [2021-10-19 14:32:15,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:15,442 INFO L470 AbstractCegarLoop]: Abstraction has 2717 states and 5275 transitions. [2021-10-19 14:32:15,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:15,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 5275 transitions. [2021-10-19 14:32:15,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:32:15,443 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:15,443 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:15,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2021-10-19 14:32:15,444 INFO L402 AbstractCegarLoop]: === Iteration 200 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:15,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:15,444 INFO L82 PathProgramCache]: Analyzing trace with hash -489145668, now seen corresponding path program 128 times [2021-10-19 14:32:15,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:15,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298737926] [2021-10-19 14:32:15,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:15,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:15,656 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 14:32:15,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:15,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298737926] [2021-10-19 14:32:15,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298737926] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:15,657 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:15,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:15,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232146631] [2021-10-19 14:32:15,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:15,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:15,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:15,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:15,657 INFO L87 Difference]: Start difference. First operand 2717 states and 5275 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:17,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:17,711 INFO L93 Difference]: Finished difference Result 4565 states and 8792 transitions. [2021-10-19 14:32:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-19 14:32:17,711 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:32:17,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:17,716 INFO L225 Difference]: With dead ends: 4565 [2021-10-19 14:32:17,716 INFO L226 Difference]: Without dead ends: 4565 [2021-10-19 14:32:17,716 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1375 ImplicationChecksByTransitivity, 988.7ms TimeCoverageRelationStatistics Valid=885, Invalid=4227, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:32:17,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4565 states. [2021-10-19 14:32:17,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4565 to 2712. [2021-10-19 14:32:17,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2702 states have (on average 1.9485566247224277) internal successors, (5265), 2711 states have internal predecessors, (5265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:17,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 5265 transitions. [2021-10-19 14:32:17,741 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 5265 transitions. Word has length 123 [2021-10-19 14:32:17,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:17,741 INFO L470 AbstractCegarLoop]: Abstraction has 2712 states and 5265 transitions. [2021-10-19 14:32:17,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:17,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 5265 transitions. [2021-10-19 14:32:17,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:32:17,742 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:17,742 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:17,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2021-10-19 14:32:17,742 INFO L402 AbstractCegarLoop]: === Iteration 201 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:17,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:17,742 INFO L82 PathProgramCache]: Analyzing trace with hash 338094772, now seen corresponding path program 129 times [2021-10-19 14:32:17,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:17,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143776374] [2021-10-19 14:32:17,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:17,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:17,956 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 14:32:17,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:17,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143776374] [2021-10-19 14:32:17,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143776374] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:17,956 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:17,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:17,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026824733] [2021-10-19 14:32:17,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:17,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:17,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:17,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:17,957 INFO L87 Difference]: Start difference. First operand 2712 states and 5265 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:19,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:19,525 INFO L93 Difference]: Finished difference Result 4302 states and 8273 transitions. [2021-10-19 14:32:19,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-19 14:32:19,525 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:32:19,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:19,530 INFO L225 Difference]: With dead ends: 4302 [2021-10-19 14:32:19,530 INFO L226 Difference]: Without dead ends: 4302 [2021-10-19 14:32:19,530 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 837 ImplicationChecksByTransitivity, 787.7ms TimeCoverageRelationStatistics Valid=548, Invalid=2874, Unknown=0, NotChecked=0, Total=3422 [2021-10-19 14:32:19,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4302 states. [2021-10-19 14:32:19,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4302 to 2718. [2021-10-19 14:32:19,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2708 states have (on average 1.9486706056129985) internal successors, (5277), 2717 states have internal predecessors, (5277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:19,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 5277 transitions. [2021-10-19 14:32:19,554 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 5277 transitions. Word has length 123 [2021-10-19 14:32:19,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:19,554 INFO L470 AbstractCegarLoop]: Abstraction has 2718 states and 5277 transitions. [2021-10-19 14:32:19,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:19,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 5277 transitions. [2021-10-19 14:32:19,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:32:19,555 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:19,555 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:19,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2021-10-19 14:32:19,556 INFO L402 AbstractCegarLoop]: === Iteration 202 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:19,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:19,556 INFO L82 PathProgramCache]: Analyzing trace with hash 431202040, now seen corresponding path program 130 times [2021-10-19 14:32:19,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:19,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714469750] [2021-10-19 14:32:19,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:19,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:19,784 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 14:32:19,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:19,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714469750] [2021-10-19 14:32:19,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714469750] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:19,784 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:19,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:19,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269277633] [2021-10-19 14:32:19,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:19,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:19,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:19,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:19,785 INFO L87 Difference]: Start difference. First operand 2718 states and 5277 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:21,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:21,736 INFO L93 Difference]: Finished difference Result 4415 states and 8494 transitions. [2021-10-19 14:32:21,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:32:21,737 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:32:21,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:21,742 INFO L225 Difference]: With dead ends: 4415 [2021-10-19 14:32:21,742 INFO L226 Difference]: Without dead ends: 4415 [2021-10-19 14:32:21,743 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 919 ImplicationChecksByTransitivity, 924.9ms TimeCoverageRelationStatistics Valid=580, Invalid=3080, Unknown=0, NotChecked=0, Total=3660 [2021-10-19 14:32:21,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4415 states. [2021-10-19 14:32:21,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4415 to 2716. [2021-10-19 14:32:21,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2706 states have (on average 1.9486326681448634) internal successors, (5273), 2715 states have internal predecessors, (5273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:21,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 5273 transitions. [2021-10-19 14:32:21,800 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 5273 transitions. Word has length 123 [2021-10-19 14:32:21,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:21,800 INFO L470 AbstractCegarLoop]: Abstraction has 2716 states and 5273 transitions. [2021-10-19 14:32:21,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:21,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 5273 transitions. [2021-10-19 14:32:21,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:32:21,801 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:21,801 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:21,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2021-10-19 14:32:21,801 INFO L402 AbstractCegarLoop]: === Iteration 203 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:21,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:21,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1109466676, now seen corresponding path program 131 times [2021-10-19 14:32:21,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:21,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178574202] [2021-10-19 14:32:21,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:21,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:22,001 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 14:32:22,001 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:22,001 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178574202] [2021-10-19 14:32:22,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178574202] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:22,001 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:22,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:22,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688238609] [2021-10-19 14:32:22,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:22,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:22,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:22,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:22,002 INFO L87 Difference]: Start difference. First operand 2716 states and 5273 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:24,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:24,201 INFO L93 Difference]: Finished difference Result 4540 states and 8744 transitions. [2021-10-19 14:32:24,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:32:24,202 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:32:24,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:24,206 INFO L225 Difference]: With dead ends: 4540 [2021-10-19 14:32:24,206 INFO L226 Difference]: Without dead ends: 4540 [2021-10-19 14:32:24,206 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1417 ImplicationChecksByTransitivity, 1142.5ms TimeCoverageRelationStatistics Valid=879, Invalid=4377, Unknown=0, NotChecked=0, Total=5256 [2021-10-19 14:32:24,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4540 states. [2021-10-19 14:32:24,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4540 to 2714. [2021-10-19 14:32:24,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2704 states have (on average 1.948594674556213) internal successors, (5269), 2713 states have internal predecessors, (5269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:24,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 5269 transitions. [2021-10-19 14:32:24,232 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 5269 transitions. Word has length 123 [2021-10-19 14:32:24,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:24,232 INFO L470 AbstractCegarLoop]: Abstraction has 2714 states and 5269 transitions. [2021-10-19 14:32:24,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:24,232 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 5269 transitions. [2021-10-19 14:32:24,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:32:24,233 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:24,233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:24,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2021-10-19 14:32:24,233 INFO L402 AbstractCegarLoop]: === Iteration 204 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:24,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:24,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1875175382, now seen corresponding path program 132 times [2021-10-19 14:32:24,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:24,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429039234] [2021-10-19 14:32:24,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:24,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:24,429 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 14:32:24,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:24,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429039234] [2021-10-19 14:32:24,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429039234] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:24,429 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:24,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:24,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545806271] [2021-10-19 14:32:24,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:24,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:24,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:24,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:24,430 INFO L87 Difference]: Start difference. First operand 2714 states and 5269 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:26,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:26,610 INFO L93 Difference]: Finished difference Result 4529 states and 8726 transitions. [2021-10-19 14:32:26,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:32:26,610 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:32:26,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:26,615 INFO L225 Difference]: With dead ends: 4529 [2021-10-19 14:32:26,615 INFO L226 Difference]: Without dead ends: 4529 [2021-10-19 14:32:26,615 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1316 ImplicationChecksByTransitivity, 1063.8ms TimeCoverageRelationStatistics Valid=820, Invalid=4150, Unknown=0, NotChecked=0, Total=4970 [2021-10-19 14:32:26,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4529 states. [2021-10-19 14:32:26,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4529 to 2698. [2021-10-19 14:32:26,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2698 states, 2688 states have (on average 1.9482886904761905) internal successors, (5237), 2697 states have internal predecessors, (5237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:26,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2698 states and 5237 transitions. [2021-10-19 14:32:26,640 INFO L78 Accepts]: Start accepts. Automaton has 2698 states and 5237 transitions. Word has length 123 [2021-10-19 14:32:26,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:26,640 INFO L470 AbstractCegarLoop]: Abstraction has 2698 states and 5237 transitions. [2021-10-19 14:32:26,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:26,640 INFO L276 IsEmpty]: Start isEmpty. Operand 2698 states and 5237 transitions. [2021-10-19 14:32:26,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:32:26,641 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:26,641 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:26,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2021-10-19 14:32:26,641 INFO L402 AbstractCegarLoop]: === Iteration 205 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:26,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:26,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1437978810, now seen corresponding path program 133 times [2021-10-19 14:32:26,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:26,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366865774] [2021-10-19 14:32:26,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:26,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:26,882 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 14:32:26,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:26,882 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366865774] [2021-10-19 14:32:26,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366865774] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:26,883 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:26,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:26,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753011338] [2021-10-19 14:32:26,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:26,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:26,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:26,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:26,883 INFO L87 Difference]: Start difference. First operand 2698 states and 5237 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:29,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:29,081 INFO L93 Difference]: Finished difference Result 4421 states and 8506 transitions. [2021-10-19 14:32:29,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-19 14:32:29,081 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:32:29,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:29,085 INFO L225 Difference]: With dead ends: 4421 [2021-10-19 14:32:29,085 INFO L226 Difference]: Without dead ends: 4421 [2021-10-19 14:32:29,086 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 743 ImplicationChecksByTransitivity, 808.6ms TimeCoverageRelationStatistics Valid=608, Invalid=2584, Unknown=0, NotChecked=0, Total=3192 [2021-10-19 14:32:29,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4421 states. [2021-10-19 14:32:29,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4421 to 2705. [2021-10-19 14:32:29,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2705 states, 2695 states have (on average 1.9484230055658627) internal successors, (5251), 2704 states have internal predecessors, (5251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:29,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 2705 states and 5251 transitions. [2021-10-19 14:32:29,109 INFO L78 Accepts]: Start accepts. Automaton has 2705 states and 5251 transitions. Word has length 123 [2021-10-19 14:32:29,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:29,109 INFO L470 AbstractCegarLoop]: Abstraction has 2705 states and 5251 transitions. [2021-10-19 14:32:29,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:29,109 INFO L276 IsEmpty]: Start isEmpty. Operand 2705 states and 5251 transitions. [2021-10-19 14:32:29,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:32:29,110 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:29,110 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:29,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2021-10-19 14:32:29,110 INFO L402 AbstractCegarLoop]: === Iteration 206 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:29,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:29,110 INFO L82 PathProgramCache]: Analyzing trace with hash 2046319514, now seen corresponding path program 134 times [2021-10-19 14:32:29,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:29,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010430658] [2021-10-19 14:32:29,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:29,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:29,343 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 14:32:29,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:29,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010430658] [2021-10-19 14:32:29,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010430658] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:29,343 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:29,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:29,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038331322] [2021-10-19 14:32:29,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:29,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:29,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:29,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:29,344 INFO L87 Difference]: Start difference. First operand 2705 states and 5251 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:31,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:31,487 INFO L93 Difference]: Finished difference Result 4499 states and 8658 transitions. [2021-10-19 14:32:31,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:32:31,487 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:32:31,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:31,492 INFO L225 Difference]: With dead ends: 4499 [2021-10-19 14:32:31,492 INFO L226 Difference]: Without dead ends: 4499 [2021-10-19 14:32:31,492 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 899 ImplicationChecksByTransitivity, 1014.0ms TimeCoverageRelationStatistics Valid=692, Invalid=2968, Unknown=0, NotChecked=0, Total=3660 [2021-10-19 14:32:31,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4499 states. [2021-10-19 14:32:31,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4499 to 2707. [2021-10-19 14:32:31,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2707 states, 2697 states have (on average 1.9484612532443455) internal successors, (5255), 2706 states have internal predecessors, (5255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:31,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2707 states to 2707 states and 5255 transitions. [2021-10-19 14:32:31,517 INFO L78 Accepts]: Start accepts. Automaton has 2707 states and 5255 transitions. Word has length 123 [2021-10-19 14:32:31,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:31,518 INFO L470 AbstractCegarLoop]: Abstraction has 2707 states and 5255 transitions. [2021-10-19 14:32:31,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:31,518 INFO L276 IsEmpty]: Start isEmpty. Operand 2707 states and 5255 transitions. [2021-10-19 14:32:31,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:32:31,518 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:31,519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:31,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2021-10-19 14:32:31,519 INFO L402 AbstractCegarLoop]: === Iteration 207 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:31,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:31,519 INFO L82 PathProgramCache]: Analyzing trace with hash 2139426782, now seen corresponding path program 135 times [2021-10-19 14:32:31,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:31,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353047193] [2021-10-19 14:32:31,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:31,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:31,755 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 14:32:31,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:31,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353047193] [2021-10-19 14:32:31,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353047193] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:31,756 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:31,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:31,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161018281] [2021-10-19 14:32:31,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:31,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:31,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:31,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:31,756 INFO L87 Difference]: Start difference. First operand 2707 states and 5255 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:34,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:34,031 INFO L93 Difference]: Finished difference Result 4536 states and 8731 transitions. [2021-10-19 14:32:34,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:32:34,031 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:32:34,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:34,036 INFO L225 Difference]: With dead ends: 4536 [2021-10-19 14:32:34,036 INFO L226 Difference]: Without dead ends: 4536 [2021-10-19 14:32:34,037 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 902 ImplicationChecksByTransitivity, 996.1ms TimeCoverageRelationStatistics Valid=685, Invalid=2975, Unknown=0, NotChecked=0, Total=3660 [2021-10-19 14:32:34,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4536 states. [2021-10-19 14:32:34,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4536 to 2702. [2021-10-19 14:32:34,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2702 states, 2692 states have (on average 1.9483655274888558) internal successors, (5245), 2701 states have internal predecessors, (5245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:34,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2702 states to 2702 states and 5245 transitions. [2021-10-19 14:32:34,071 INFO L78 Accepts]: Start accepts. Automaton has 2702 states and 5245 transitions. Word has length 123 [2021-10-19 14:32:34,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:34,071 INFO L470 AbstractCegarLoop]: Abstraction has 2702 states and 5245 transitions. [2021-10-19 14:32:34,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:34,071 INFO L276 IsEmpty]: Start isEmpty. Operand 2702 states and 5245 transitions. [2021-10-19 14:32:34,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:32:34,072 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:34,072 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:34,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2021-10-19 14:32:34,072 INFO L402 AbstractCegarLoop]: === Iteration 208 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:34,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:34,072 INFO L82 PathProgramCache]: Analyzing trace with hash 2132267800, now seen corresponding path program 136 times [2021-10-19 14:32:34,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:34,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203599561] [2021-10-19 14:32:34,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:34,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:34,298 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 14:32:34,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:34,298 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203599561] [2021-10-19 14:32:34,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203599561] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:34,299 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:34,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:34,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214349443] [2021-10-19 14:32:34,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:34,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:34,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:34,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:34,299 INFO L87 Difference]: Start difference. First operand 2702 states and 5245 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:36,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:36,304 INFO L93 Difference]: Finished difference Result 4415 states and 8496 transitions. [2021-10-19 14:32:36,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-19 14:32:36,304 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:32:36,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:36,309 INFO L225 Difference]: With dead ends: 4415 [2021-10-19 14:32:36,309 INFO L226 Difference]: Without dead ends: 4415 [2021-10-19 14:32:36,309 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 849.3ms TimeCoverageRelationStatistics Valid=607, Invalid=2699, Unknown=0, NotChecked=0, Total=3306 [2021-10-19 14:32:36,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4415 states. [2021-10-19 14:32:36,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4415 to 2706. [2021-10-19 14:32:36,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2696 states have (on average 1.9484421364985163) internal successors, (5253), 2705 states have internal predecessors, (5253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:36,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 5253 transitions. [2021-10-19 14:32:36,333 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 5253 transitions. Word has length 123 [2021-10-19 14:32:36,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:36,333 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 5253 transitions. [2021-10-19 14:32:36,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:36,333 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 5253 transitions. [2021-10-19 14:32:36,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:32:36,334 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:36,334 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:36,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2021-10-19 14:32:36,334 INFO L402 AbstractCegarLoop]: === Iteration 209 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:36,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:36,334 INFO L82 PathProgramCache]: Analyzing trace with hash -2069592228, now seen corresponding path program 137 times [2021-10-19 14:32:36,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:36,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175994526] [2021-10-19 14:32:36,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:36,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:36,567 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 14:32:36,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:36,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175994526] [2021-10-19 14:32:36,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175994526] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:36,567 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:36,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:36,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7691936] [2021-10-19 14:32:36,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:36,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:36,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:36,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:36,568 INFO L87 Difference]: Start difference. First operand 2706 states and 5253 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:38,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:38,983 INFO L93 Difference]: Finished difference Result 4528 states and 8717 transitions. [2021-10-19 14:32:38,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-19 14:32:38,983 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:32:38,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:38,988 INFO L225 Difference]: With dead ends: 4528 [2021-10-19 14:32:38,988 INFO L226 Difference]: Without dead ends: 4528 [2021-10-19 14:32:38,989 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 865 ImplicationChecksByTransitivity, 959.3ms TimeCoverageRelationStatistics Valid=647, Invalid=2893, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:32:38,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4528 states. [2021-10-19 14:32:39,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4528 to 2704. [2021-10-19 14:32:39,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2694 states have (on average 1.9484038604305864) internal successors, (5249), 2703 states have internal predecessors, (5249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:39,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 5249 transitions. [2021-10-19 14:32:39,013 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 5249 transitions. Word has length 123 [2021-10-19 14:32:39,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:39,013 INFO L470 AbstractCegarLoop]: Abstraction has 2704 states and 5249 transitions. [2021-10-19 14:32:39,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:39,014 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 5249 transitions. [2021-10-19 14:32:39,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:32:39,014 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:39,014 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:39,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2021-10-19 14:32:39,015 INFO L402 AbstractCegarLoop]: === Iteration 210 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:39,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:39,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1391327592, now seen corresponding path program 138 times [2021-10-19 14:32:39,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:39,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923125395] [2021-10-19 14:32:39,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:39,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:39,229 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 14:32:39,230 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:39,230 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923125395] [2021-10-19 14:32:39,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923125395] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:39,230 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:39,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:39,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739191294] [2021-10-19 14:32:39,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:39,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:39,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:39,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:39,230 INFO L87 Difference]: Start difference. First operand 2704 states and 5249 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:41,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:41,722 INFO L93 Difference]: Finished difference Result 4542 states and 8749 transitions. [2021-10-19 14:32:41,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-10-19 14:32:41,723 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:32:41,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:41,727 INFO L225 Difference]: With dead ends: 4542 [2021-10-19 14:32:41,727 INFO L226 Difference]: Without dead ends: 4542 [2021-10-19 14:32:41,727 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 968 ImplicationChecksByTransitivity, 802.2ms TimeCoverageRelationStatistics Valid=796, Invalid=3236, Unknown=0, NotChecked=0, Total=4032 [2021-10-19 14:32:41,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4542 states. [2021-10-19 14:32:41,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4542 to 2698. [2021-10-19 14:32:41,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2698 states, 2688 states have (on average 1.9482886904761905) internal successors, (5237), 2697 states have internal predecessors, (5237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:41,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2698 states and 5237 transitions. [2021-10-19 14:32:41,751 INFO L78 Accepts]: Start accepts. Automaton has 2698 states and 5237 transitions. Word has length 123 [2021-10-19 14:32:41,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:41,751 INFO L470 AbstractCegarLoop]: Abstraction has 2698 states and 5237 transitions. [2021-10-19 14:32:41,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:41,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2698 states and 5237 transitions. [2021-10-19 14:32:41,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:32:41,752 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:41,752 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:41,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2021-10-19 14:32:41,752 INFO L402 AbstractCegarLoop]: === Iteration 211 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:41,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:41,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1640166232, now seen corresponding path program 139 times [2021-10-19 14:32:41,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:41,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3448910] [2021-10-19 14:32:41,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:41,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:41,975 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 14:32:41,975 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:41,975 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3448910] [2021-10-19 14:32:41,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3448910] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:41,975 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:41,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:41,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167653972] [2021-10-19 14:32:41,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:41,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:41,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:41,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:41,976 INFO L87 Difference]: Start difference. First operand 2698 states and 5237 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:43,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:43,622 INFO L93 Difference]: Finished difference Result 4432 states and 8527 transitions. [2021-10-19 14:32:43,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-19 14:32:43,622 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:32:43,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:43,627 INFO L225 Difference]: With dead ends: 4432 [2021-10-19 14:32:43,627 INFO L226 Difference]: Without dead ends: 4432 [2021-10-19 14:32:43,627 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 718 ImplicationChecksByTransitivity, 792.2ms TimeCoverageRelationStatistics Valid=567, Invalid=2513, Unknown=0, NotChecked=0, Total=3080 [2021-10-19 14:32:43,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4432 states. [2021-10-19 14:32:43,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4432 to 2704. [2021-10-19 14:32:43,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2694 states have (on average 1.9484038604305864) internal successors, (5249), 2703 states have internal predecessors, (5249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:43,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 5249 transitions. [2021-10-19 14:32:43,651 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 5249 transitions. Word has length 123 [2021-10-19 14:32:43,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:43,652 INFO L470 AbstractCegarLoop]: Abstraction has 2704 states and 5249 transitions. [2021-10-19 14:32:43,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:43,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 5249 transitions. [2021-10-19 14:32:43,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:32:43,653 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:43,653 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:43,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2021-10-19 14:32:43,653 INFO L402 AbstractCegarLoop]: === Iteration 212 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:43,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:43,653 INFO L82 PathProgramCache]: Analyzing trace with hash 829497260, now seen corresponding path program 140 times [2021-10-19 14:32:43,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:43,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177324233] [2021-10-19 14:32:43,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:43,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:43,895 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 14:32:43,896 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:43,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177324233] [2021-10-19 14:32:43,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177324233] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:43,896 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:43,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:43,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714300668] [2021-10-19 14:32:43,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:43,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:43,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:43,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:43,896 INFO L87 Difference]: Start difference. First operand 2704 states and 5249 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:46,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:46,014 INFO L93 Difference]: Finished difference Result 4510 states and 8679 transitions. [2021-10-19 14:32:46,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-19 14:32:46,014 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:32:46,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:46,019 INFO L225 Difference]: With dead ends: 4510 [2021-10-19 14:32:46,019 INFO L226 Difference]: Without dead ends: 4510 [2021-10-19 14:32:46,020 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 875 ImplicationChecksByTransitivity, 1003.4ms TimeCoverageRelationStatistics Valid=644, Invalid=2896, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:32:46,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4510 states. [2021-10-19 14:32:46,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4510 to 2706. [2021-10-19 14:32:46,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2696 states have (on average 1.9484421364985163) internal successors, (5253), 2705 states have internal predecessors, (5253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:46,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 5253 transitions. [2021-10-19 14:32:46,044 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 5253 transitions. Word has length 123 [2021-10-19 14:32:46,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:46,044 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 5253 transitions. [2021-10-19 14:32:46,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:46,045 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 5253 transitions. [2021-10-19 14:32:46,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:32:46,045 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:46,045 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:46,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2021-10-19 14:32:46,046 INFO L402 AbstractCegarLoop]: === Iteration 213 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:46,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:46,046 INFO L82 PathProgramCache]: Analyzing trace with hash 922604528, now seen corresponding path program 141 times [2021-10-19 14:32:46,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:46,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320665164] [2021-10-19 14:32:46,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:46,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:46,280 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 14:32:46,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:46,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320665164] [2021-10-19 14:32:46,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320665164] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:46,281 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:46,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:46,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133271796] [2021-10-19 14:32:46,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:46,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:46,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:46,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:46,281 INFO L87 Difference]: Start difference. First operand 2706 states and 5253 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:48,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:48,626 INFO L93 Difference]: Finished difference Result 4547 states and 8752 transitions. [2021-10-19 14:32:48,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-19 14:32:48,627 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:32:48,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:48,631 INFO L225 Difference]: With dead ends: 4547 [2021-10-19 14:32:48,631 INFO L226 Difference]: Without dead ends: 4547 [2021-10-19 14:32:48,631 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 877 ImplicationChecksByTransitivity, 993.6ms TimeCoverageRelationStatistics Valid=636, Invalid=2904, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:32:48,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4547 states. [2021-10-19 14:32:48,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4547 to 2701. [2021-10-19 14:32:48,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2701 states, 2691 states have (on average 1.9483463396506875) internal successors, (5243), 2700 states have internal predecessors, (5243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:48,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2701 states to 2701 states and 5243 transitions. [2021-10-19 14:32:48,655 INFO L78 Accepts]: Start accepts. Automaton has 2701 states and 5243 transitions. Word has length 123 [2021-10-19 14:32:48,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:48,655 INFO L470 AbstractCegarLoop]: Abstraction has 2701 states and 5243 transitions. [2021-10-19 14:32:48,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:48,656 INFO L276 IsEmpty]: Start isEmpty. Operand 2701 states and 5243 transitions. [2021-10-19 14:32:48,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:32:48,656 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:48,656 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:48,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2021-10-19 14:32:48,657 INFO L402 AbstractCegarLoop]: === Iteration 214 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:48,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:48,657 INFO L82 PathProgramCache]: Analyzing trace with hash 915445546, now seen corresponding path program 142 times [2021-10-19 14:32:48,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:48,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474779945] [2021-10-19 14:32:48,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:48,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:48,884 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 14:32:48,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:48,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474779945] [2021-10-19 14:32:48,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474779945] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:48,885 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:48,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:48,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982591115] [2021-10-19 14:32:48,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:48,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:48,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:48,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:48,885 INFO L87 Difference]: Start difference. First operand 2701 states and 5243 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:50,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:50,815 INFO L93 Difference]: Finished difference Result 4426 states and 8517 transitions. [2021-10-19 14:32:50,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-19 14:32:50,816 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:32:50,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:50,820 INFO L225 Difference]: With dead ends: 4426 [2021-10-19 14:32:50,820 INFO L226 Difference]: Without dead ends: 4426 [2021-10-19 14:32:50,821 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 765 ImplicationChecksByTransitivity, 875.1ms TimeCoverageRelationStatistics Valid=564, Invalid=2628, Unknown=0, NotChecked=0, Total=3192 [2021-10-19 14:32:50,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4426 states. [2021-10-19 14:32:50,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4426 to 2705. [2021-10-19 14:32:50,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2705 states, 2695 states have (on average 1.9484230055658627) internal successors, (5251), 2704 states have internal predecessors, (5251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:50,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 2705 states and 5251 transitions. [2021-10-19 14:32:50,847 INFO L78 Accepts]: Start accepts. Automaton has 2705 states and 5251 transitions. Word has length 123 [2021-10-19 14:32:50,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:50,847 INFO L470 AbstractCegarLoop]: Abstraction has 2705 states and 5251 transitions. [2021-10-19 14:32:50,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:50,847 INFO L276 IsEmpty]: Start isEmpty. Operand 2705 states and 5251 transitions. [2021-10-19 14:32:50,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:32:50,848 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:50,848 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:50,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2021-10-19 14:32:50,848 INFO L402 AbstractCegarLoop]: === Iteration 215 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:50,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:50,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1008552814, now seen corresponding path program 143 times [2021-10-19 14:32:50,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:50,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126163871] [2021-10-19 14:32:50,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:50,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:51,098 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 14:32:51,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:51,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126163871] [2021-10-19 14:32:51,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126163871] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:51,099 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:51,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:51,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179644000] [2021-10-19 14:32:51,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:51,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:51,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:51,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:51,100 INFO L87 Difference]: Start difference. First operand 2705 states and 5251 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:53,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:53,483 INFO L93 Difference]: Finished difference Result 4539 states and 8738 transitions. [2021-10-19 14:32:53,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-19 14:32:53,483 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:32:53,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:53,488 INFO L225 Difference]: With dead ends: 4539 [2021-10-19 14:32:53,488 INFO L226 Difference]: Without dead ends: 4539 [2021-10-19 14:32:53,489 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 841 ImplicationChecksByTransitivity, 1027.8ms TimeCoverageRelationStatistics Valid=599, Invalid=2823, Unknown=0, NotChecked=0, Total=3422 [2021-10-19 14:32:53,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4539 states. [2021-10-19 14:32:53,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4539 to 2703. [2021-10-19 14:32:53,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2703 states, 2693 states have (on average 1.948384701076866) internal successors, (5247), 2702 states have internal predecessors, (5247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:53,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2703 states to 2703 states and 5247 transitions. [2021-10-19 14:32:53,523 INFO L78 Accepts]: Start accepts. Automaton has 2703 states and 5247 transitions. Word has length 123 [2021-10-19 14:32:53,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:53,523 INFO L470 AbstractCegarLoop]: Abstraction has 2703 states and 5247 transitions. [2021-10-19 14:32:53,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:53,523 INFO L276 IsEmpty]: Start isEmpty. Operand 2703 states and 5247 transitions. [2021-10-19 14:32:53,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:32:53,524 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:53,524 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:53,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2021-10-19 14:32:53,524 INFO L402 AbstractCegarLoop]: === Iteration 216 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:53,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:53,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1686817450, now seen corresponding path program 144 times [2021-10-19 14:32:53,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:53,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489253333] [2021-10-19 14:32:53,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:53,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:53,726 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 14:32:53,727 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:53,727 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489253333] [2021-10-19 14:32:53,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489253333] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:53,727 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:53,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:53,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627071958] [2021-10-19 14:32:53,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:53,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:53,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:53,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:53,727 INFO L87 Difference]: Start difference. First operand 2703 states and 5247 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:55,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:55,972 INFO L93 Difference]: Finished difference Result 4594 states and 8852 transitions. [2021-10-19 14:32:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-19 14:32:55,972 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:32:55,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:55,977 INFO L225 Difference]: With dead ends: 4594 [2021-10-19 14:32:55,977 INFO L226 Difference]: Without dead ends: 4594 [2021-10-19 14:32:55,977 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1022 ImplicationChecksByTransitivity, 942.1ms TimeCoverageRelationStatistics Valid=800, Invalid=3360, Unknown=0, NotChecked=0, Total=4160 [2021-10-19 14:32:55,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4594 states. [2021-10-19 14:32:55,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4594 to 2695. [2021-10-19 14:32:55,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2695 states, 2685 states have (on average 1.9482309124767225) internal successors, (5231), 2694 states have internal predecessors, (5231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:56,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2695 states to 2695 states and 5231 transitions. [2021-10-19 14:32:56,002 INFO L78 Accepts]: Start accepts. Automaton has 2695 states and 5231 transitions. Word has length 123 [2021-10-19 14:32:56,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:56,002 INFO L470 AbstractCegarLoop]: Abstraction has 2695 states and 5231 transitions. [2021-10-19 14:32:56,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:56,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2695 states and 5231 transitions. [2021-10-19 14:32:56,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:32:56,003 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:56,003 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:56,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2021-10-19 14:32:56,003 INFO L402 AbstractCegarLoop]: === Iteration 217 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:56,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:56,003 INFO L82 PathProgramCache]: Analyzing trace with hash -2074925020, now seen corresponding path program 145 times [2021-10-19 14:32:56,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:56,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549795811] [2021-10-19 14:32:56,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:56,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:56,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:56,231 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:56,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549795811] [2021-10-19 14:32:56,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549795811] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:56,231 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:56,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:56,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394294906] [2021-10-19 14:32:56,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:56,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:56,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:56,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:56,232 INFO L87 Difference]: Start difference. First operand 2695 states and 5231 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:57,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:57,976 INFO L93 Difference]: Finished difference Result 4400 states and 8464 transitions. [2021-10-19 14:32:57,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-19 14:32:57,976 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:32:57,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:57,981 INFO L225 Difference]: With dead ends: 4400 [2021-10-19 14:32:57,981 INFO L226 Difference]: Without dead ends: 4400 [2021-10-19 14:32:57,982 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 778 ImplicationChecksByTransitivity, 825.6ms TimeCoverageRelationStatistics Valid=626, Invalid=2680, Unknown=0, NotChecked=0, Total=3306 [2021-10-19 14:32:57,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4400 states. [2021-10-19 14:32:58,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4400 to 2692. [2021-10-19 14:32:58,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 2682 states have (on average 1.948173005219985) internal successors, (5225), 2691 states have internal predecessors, (5225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:58,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 5225 transitions. [2021-10-19 14:32:58,014 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 5225 transitions. Word has length 123 [2021-10-19 14:32:58,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:58,014 INFO L470 AbstractCegarLoop]: Abstraction has 2692 states and 5225 transitions. [2021-10-19 14:32:58,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:58,014 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 5225 transitions. [2021-10-19 14:32:58,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:32:58,015 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:58,015 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:58,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2021-10-19 14:32:58,015 INFO L402 AbstractCegarLoop]: === Iteration 218 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:58,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:58,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1409373304, now seen corresponding path program 146 times [2021-10-19 14:32:58,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:58,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648506307] [2021-10-19 14:32:58,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:58,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:58,245 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 14:32:58,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:58,245 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648506307] [2021-10-19 14:32:58,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648506307] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:58,246 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:58,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:58,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667207550] [2021-10-19 14:32:58,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:58,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:58,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:58,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:58,246 INFO L87 Difference]: Start difference. First operand 2692 states and 5225 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:00,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:00,217 INFO L93 Difference]: Finished difference Result 4478 states and 8616 transitions. [2021-10-19 14:33:00,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-19 14:33:00,217 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:33:00,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:00,222 INFO L225 Difference]: With dead ends: 4478 [2021-10-19 14:33:00,222 INFO L226 Difference]: Without dead ends: 4478 [2021-10-19 14:33:00,222 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 938 ImplicationChecksByTransitivity, 981.1ms TimeCoverageRelationStatistics Valid=710, Invalid=3072, Unknown=0, NotChecked=0, Total=3782 [2021-10-19 14:33:00,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4478 states. [2021-10-19 14:33:00,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4478 to 2694. [2021-10-19 14:33:00,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2694 states, 2684 states have (on average 1.9482116244411327) internal successors, (5229), 2693 states have internal predecessors, (5229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:00,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2694 states to 2694 states and 5229 transitions. [2021-10-19 14:33:00,259 INFO L78 Accepts]: Start accepts. Automaton has 2694 states and 5229 transitions. Word has length 123 [2021-10-19 14:33:00,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:00,259 INFO L470 AbstractCegarLoop]: Abstraction has 2694 states and 5229 transitions. [2021-10-19 14:33:00,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:00,259 INFO L276 IsEmpty]: Start isEmpty. Operand 2694 states and 5229 transitions. [2021-10-19 14:33:00,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:33:00,260 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:00,260 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:33:00,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2021-10-19 14:33:00,260 INFO L402 AbstractCegarLoop]: === Iteration 219 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:00,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:00,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1502480572, now seen corresponding path program 147 times [2021-10-19 14:33:00,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:00,261 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517877826] [2021-10-19 14:33:00,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:00,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:00,482 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 14:33:00,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:00,482 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517877826] [2021-10-19 14:33:00,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517877826] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:00,482 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:00,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:33:00,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766118615] [2021-10-19 14:33:00,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:33:00,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:00,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:33:00,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:33:00,483 INFO L87 Difference]: Start difference. First operand 2694 states and 5229 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:02,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:02,774 INFO L93 Difference]: Finished difference Result 4515 states and 8689 transitions. [2021-10-19 14:33:02,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-19 14:33:02,774 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:33:02,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:02,779 INFO L225 Difference]: With dead ends: 4515 [2021-10-19 14:33:02,779 INFO L226 Difference]: Without dead ends: 4515 [2021-10-19 14:33:02,779 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 941 ImplicationChecksByTransitivity, 993.8ms TimeCoverageRelationStatistics Valid=703, Invalid=3079, Unknown=0, NotChecked=0, Total=3782 [2021-10-19 14:33:02,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4515 states. [2021-10-19 14:33:02,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4515 to 2689. [2021-10-19 14:33:02,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2689 states, 2679 states have (on average 1.9481149682717431) internal successors, (5219), 2688 states have internal predecessors, (5219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:02,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2689 states and 5219 transitions. [2021-10-19 14:33:02,803 INFO L78 Accepts]: Start accepts. Automaton has 2689 states and 5219 transitions. Word has length 123 [2021-10-19 14:33:02,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:02,804 INFO L470 AbstractCegarLoop]: Abstraction has 2689 states and 5219 transitions. [2021-10-19 14:33:02,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:02,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 5219 transitions. [2021-10-19 14:33:02,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:33:02,805 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:02,805 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:33:02,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218 [2021-10-19 14:33:02,805 INFO L402 AbstractCegarLoop]: === Iteration 220 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:02,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:02,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1495321590, now seen corresponding path program 148 times [2021-10-19 14:33:02,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:02,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906561] [2021-10-19 14:33:02,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:02,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:03,022 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 14:33:03,022 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:03,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906561] [2021-10-19 14:33:03,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906561] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:03,023 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:03,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:33:03,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292136109] [2021-10-19 14:33:03,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:33:03,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:03,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:33:03,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:33:03,023 INFO L87 Difference]: Start difference. First operand 2689 states and 5219 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:04,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:04,792 INFO L93 Difference]: Finished difference Result 4460 states and 8580 transitions. [2021-10-19 14:33:04,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:33:04,792 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:33:04,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:04,796 INFO L225 Difference]: With dead ends: 4460 [2021-10-19 14:33:04,796 INFO L226 Difference]: Without dead ends: 4460 [2021-10-19 14:33:04,797 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 907 ImplicationChecksByTransitivity, 924.7ms TimeCoverageRelationStatistics Valid=671, Invalid=2989, Unknown=0, NotChecked=0, Total=3660 [2021-10-19 14:33:04,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4460 states. [2021-10-19 14:33:04,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4460 to 2693. [2021-10-19 14:33:04,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2693 states, 2683 states have (on average 1.948192322027581) internal successors, (5227), 2692 states have internal predecessors, (5227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:04,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2693 states and 5227 transitions. [2021-10-19 14:33:04,821 INFO L78 Accepts]: Start accepts. Automaton has 2693 states and 5227 transitions. Word has length 123 [2021-10-19 14:33:04,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:04,821 INFO L470 AbstractCegarLoop]: Abstraction has 2693 states and 5227 transitions. [2021-10-19 14:33:04,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:04,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2693 states and 5227 transitions. [2021-10-19 14:33:04,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:33:04,822 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:04,822 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:33:04,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable219 [2021-10-19 14:33:04,822 INFO L402 AbstractCegarLoop]: === Iteration 221 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:04,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:04,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1588428858, now seen corresponding path program 149 times [2021-10-19 14:33:04,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:04,823 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338276188] [2021-10-19 14:33:04,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:04,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:05,037 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 14:33:05,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:05,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338276188] [2021-10-19 14:33:05,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338276188] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:05,037 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:05,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:33:05,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569582996] [2021-10-19 14:33:05,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:33:05,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:05,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:33:05,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:33:05,038 INFO L87 Difference]: Start difference. First operand 2693 states and 5227 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:07,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:07,380 INFO L93 Difference]: Finished difference Result 4573 states and 8801 transitions. [2021-10-19 14:33:07,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-19 14:33:07,381 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:33:07,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:07,385 INFO L225 Difference]: With dead ends: 4573 [2021-10-19 14:33:07,385 INFO L226 Difference]: Without dead ends: 4573 [2021-10-19 14:33:07,385 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 989 ImplicationChecksByTransitivity, 1032.3ms TimeCoverageRelationStatistics Valid=713, Invalid=3193, Unknown=0, NotChecked=0, Total=3906 [2021-10-19 14:33:07,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4573 states. [2021-10-19 14:33:07,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4573 to 2691. [2021-10-19 14:33:07,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2691 states, 2681 states have (on average 1.948153674002238) internal successors, (5223), 2690 states have internal predecessors, (5223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:07,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2691 states to 2691 states and 5223 transitions. [2021-10-19 14:33:07,409 INFO L78 Accepts]: Start accepts. Automaton has 2691 states and 5223 transitions. Word has length 123 [2021-10-19 14:33:07,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:07,411 INFO L470 AbstractCegarLoop]: Abstraction has 2691 states and 5223 transitions. [2021-10-19 14:33:07,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:07,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2691 states and 5223 transitions. [2021-10-19 14:33:07,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:33:07,412 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:07,412 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:33:07,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220 [2021-10-19 14:33:07,412 INFO L402 AbstractCegarLoop]: === Iteration 222 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:07,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:07,412 INFO L82 PathProgramCache]: Analyzing trace with hash -2028273802, now seen corresponding path program 150 times [2021-10-19 14:33:07,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:07,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812203650] [2021-10-19 14:33:07,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:07,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:07,611 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 14:33:07,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:07,611 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812203650] [2021-10-19 14:33:07,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812203650] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:07,612 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:07,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:33:07,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104909748] [2021-10-19 14:33:07,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:33:07,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:07,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:33:07,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:33:07,612 INFO L87 Difference]: Start difference. First operand 2691 states and 5223 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:10,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:10,360 INFO L93 Difference]: Finished difference Result 4612 states and 8883 transitions. [2021-10-19 14:33:10,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:33:10,360 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:33:10,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:10,365 INFO L225 Difference]: With dead ends: 4612 [2021-10-19 14:33:10,365 INFO L226 Difference]: Without dead ends: 4612 [2021-10-19 14:33:10,365 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1289 ImplicationChecksByTransitivity, 1087.9ms TimeCoverageRelationStatistics Valid=969, Invalid=4001, Unknown=0, NotChecked=0, Total=4970 [2021-10-19 14:33:10,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4612 states. [2021-10-19 14:33:10,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4612 to 2686. [2021-10-19 14:33:10,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2686 states, 2676 states have (on average 1.9480568011958146) internal successors, (5213), 2685 states have internal predecessors, (5213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:10,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2686 states to 2686 states and 5213 transitions. [2021-10-19 14:33:10,391 INFO L78 Accepts]: Start accepts. Automaton has 2686 states and 5213 transitions. Word has length 123 [2021-10-19 14:33:10,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:10,391 INFO L470 AbstractCegarLoop]: Abstraction has 2686 states and 5213 transitions. [2021-10-19 14:33:10,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:10,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2686 states and 5213 transitions. [2021-10-19 14:33:10,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:33:10,392 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:10,392 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:33:10,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable221 [2021-10-19 14:33:10,392 INFO L402 AbstractCegarLoop]: === Iteration 223 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:10,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:10,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1201033362, now seen corresponding path program 151 times [2021-10-19 14:33:10,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:10,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507336375] [2021-10-19 14:33:10,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:10,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:10,616 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 14:33:10,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:10,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507336375] [2021-10-19 14:33:10,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507336375] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:10,616 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:10,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:33:10,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746444746] [2021-10-19 14:33:10,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:33:10,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:10,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:33:10,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:33:10,617 INFO L87 Difference]: Start difference. First operand 2686 states and 5213 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:12,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:12,290 INFO L93 Difference]: Finished difference Result 4373 states and 8412 transitions. [2021-10-19 14:33:12,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-19 14:33:12,290 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:33:12,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:12,295 INFO L225 Difference]: With dead ends: 4373 [2021-10-19 14:33:12,295 INFO L226 Difference]: Without dead ends: 4373 [2021-10-19 14:33:12,295 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 792 ImplicationChecksByTransitivity, 825.3ms TimeCoverageRelationStatistics Valid=592, Invalid=2714, Unknown=0, NotChecked=0, Total=3306 [2021-10-19 14:33:12,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4373 states. [2021-10-19 14:33:12,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4373 to 2684. [2021-10-19 14:33:12,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2684 states, 2674 states have (on average 1.9480179506357518) internal successors, (5209), 2683 states have internal predecessors, (5209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:12,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 2684 states and 5209 transitions. [2021-10-19 14:33:12,334 INFO L78 Accepts]: Start accepts. Automaton has 2684 states and 5209 transitions. Word has length 123 [2021-10-19 14:33:12,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:12,334 INFO L470 AbstractCegarLoop]: Abstraction has 2684 states and 5209 transitions. [2021-10-19 14:33:12,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:12,334 INFO L276 IsEmpty]: Start isEmpty. Operand 2684 states and 5209 transitions. [2021-10-19 14:33:12,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:33:12,335 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:12,335 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:33:12,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable222 [2021-10-19 14:33:12,335 INFO L402 AbstractCegarLoop]: === Iteration 224 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:12,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:12,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1107926094, now seen corresponding path program 152 times [2021-10-19 14:33:12,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:12,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330846481] [2021-10-19 14:33:12,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:12,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:12,548 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 14:33:12,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:12,549 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330846481] [2021-10-19 14:33:12,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330846481] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:12,549 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:12,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:33:12,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137720235] [2021-10-19 14:33:12,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:33:12,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:12,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:33:12,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:33:12,549 INFO L87 Difference]: Start difference. First operand 2684 states and 5209 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:14,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:14,524 INFO L93 Difference]: Finished difference Result 4486 states and 8633 transitions. [2021-10-19 14:33:14,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-19 14:33:14,524 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:33:14,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:14,529 INFO L225 Difference]: With dead ends: 4486 [2021-10-19 14:33:14,529 INFO L226 Difference]: Without dead ends: 4486 [2021-10-19 14:33:14,529 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 868 ImplicationChecksByTransitivity, 886.2ms TimeCoverageRelationStatistics Valid=631, Invalid=2909, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:33:14,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2021-10-19 14:33:14,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 2682. [2021-10-19 14:33:14,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2682 states, 2672 states have (on average 1.9479790419161678) internal successors, (5205), 2681 states have internal predecessors, (5205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:14,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2682 states to 2682 states and 5205 transitions. [2021-10-19 14:33:14,555 INFO L78 Accepts]: Start accepts. Automaton has 2682 states and 5205 transitions. Word has length 123 [2021-10-19 14:33:14,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:14,555 INFO L470 AbstractCegarLoop]: Abstraction has 2682 states and 5205 transitions. [2021-10-19 14:33:14,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:14,555 INFO L276 IsEmpty]: Start isEmpty. Operand 2682 states and 5205 transitions. [2021-10-19 14:33:14,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:33:14,556 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:14,556 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:33:14,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable223 [2021-10-19 14:33:14,556 INFO L402 AbstractCegarLoop]: === Iteration 225 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:14,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:14,556 INFO L82 PathProgramCache]: Analyzing trace with hash -429661458, now seen corresponding path program 153 times [2021-10-19 14:33:14,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:14,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210549600] [2021-10-19 14:33:14,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:14,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:14,757 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 14:33:14,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:14,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210549600] [2021-10-19 14:33:14,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210549600] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:14,757 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:14,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:33:14,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603546491] [2021-10-19 14:33:14,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:33:14,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:14,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:33:14,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:33:14,758 INFO L87 Difference]: Start difference. First operand 2682 states and 5205 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:17,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:17,327 INFO L93 Difference]: Finished difference Result 4587 states and 8835 transitions. [2021-10-19 14:33:17,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-19 14:33:17,327 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:33:17,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:17,332 INFO L225 Difference]: With dead ends: 4587 [2021-10-19 14:33:17,332 INFO L226 Difference]: Without dead ends: 4587 [2021-10-19 14:33:17,333 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1329 ImplicationChecksByTransitivity, 1145.2ms TimeCoverageRelationStatistics Valid=967, Invalid=4145, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:33:17,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4587 states. [2021-10-19 14:33:17,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4587 to 2680. [2021-10-19 14:33:17,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2680 states, 2670 states have (on average 1.9479400749063671) internal successors, (5201), 2679 states have internal predecessors, (5201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:17,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2680 states to 2680 states and 5201 transitions. [2021-10-19 14:33:17,363 INFO L78 Accepts]: Start accepts. Automaton has 2680 states and 5201 transitions. Word has length 123 [2021-10-19 14:33:17,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:17,363 INFO L470 AbstractCegarLoop]: Abstraction has 2680 states and 5201 transitions. [2021-10-19 14:33:17,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:17,363 INFO L276 IsEmpty]: Start isEmpty. Operand 2680 states and 5201 transitions. [2021-10-19 14:33:17,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-19 14:33:17,364 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:17,364 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:33:17,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable224 [2021-10-19 14:33:17,364 INFO L402 AbstractCegarLoop]: === Iteration 226 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:17,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:17,364 INFO L82 PathProgramCache]: Analyzing trace with hash 336047248, now seen corresponding path program 154 times [2021-10-19 14:33:17,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:17,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994847814] [2021-10-19 14:33:17,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:17,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:17,567 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 14:33:17,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:17,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994847814] [2021-10-19 14:33:17,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994847814] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:17,567 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:17,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:33:17,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505767975] [2021-10-19 14:33:17,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:33:17,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:17,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:33:17,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:33:17,568 INFO L87 Difference]: Start difference. First operand 2680 states and 5201 transitions. Second operand has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:20,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:20,020 INFO L93 Difference]: Finished difference Result 4406 states and 8477 transitions. [2021-10-19 14:33:20,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-19 14:33:20,020 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-19 14:33:20,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:20,024 INFO L225 Difference]: With dead ends: 4406 [2021-10-19 14:33:20,024 INFO L226 Difference]: Without dead ends: 4406 [2021-10-19 14:33:20,024 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1235 ImplicationChecksByTransitivity, 1069.7ms TimeCoverageRelationStatistics Valid=903, Invalid=3927, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:33:20,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4406 states. [2021-10-19 14:33:20,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4406 to 2488. [2021-10-19 14:33:20,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2488 states, 2479 states have (on average 1.9431222267043162) internal successors, (4817), 2487 states have internal predecessors, (4817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:20,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2488 states to 2488 states and 4817 transitions. [2021-10-19 14:33:20,047 INFO L78 Accepts]: Start accepts. Automaton has 2488 states and 4817 transitions. Word has length 123 [2021-10-19 14:33:20,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:20,047 INFO L470 AbstractCegarLoop]: Abstraction has 2488 states and 4817 transitions. [2021-10-19 14:33:20,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.473684210526316) internal successors, (123), 20 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:20,047 INFO L276 IsEmpty]: Start isEmpty. Operand 2488 states and 4817 transitions. [2021-10-19 14:33:20,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:33:20,048 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:20,048 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:33:20,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225 [2021-10-19 14:33:20,048 INFO L402 AbstractCegarLoop]: === Iteration 227 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:20,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:20,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1447777905, now seen corresponding path program 1 times [2021-10-19 14:33:20,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:20,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390819572] [2021-10-19 14:33:20,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:20,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:20,250 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 14:33:20,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:20,250 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390819572] [2021-10-19 14:33:20,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390819572] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:20,250 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:20,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:33:20,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741308259] [2021-10-19 14:33:20,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:33:20,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:20,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:33:20,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:33:20,251 INFO L87 Difference]: Start difference. First operand 2488 states and 4817 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:22,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:22,267 INFO L93 Difference]: Finished difference Result 4949 states and 9560 transitions. [2021-10-19 14:33:22,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-10-19 14:33:22,267 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:33:22,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:22,272 INFO L225 Difference]: With dead ends: 4949 [2021-10-19 14:33:22,272 INFO L226 Difference]: Without dead ends: 4949 [2021-10-19 14:33:22,272 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2678 ImplicationChecksByTransitivity, 1023.1ms TimeCoverageRelationStatistics Valid=982, Invalid=7208, Unknown=0, NotChecked=0, Total=8190 [2021-10-19 14:33:22,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4949 states. [2021-10-19 14:33:22,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4949 to 2626. [2021-10-19 14:33:22,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2626 states, 2617 states have (on average 1.946121513183034) internal successors, (5093), 2625 states have internal predecessors, (5093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:22,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2626 states to 2626 states and 5093 transitions. [2021-10-19 14:33:22,298 INFO L78 Accepts]: Start accepts. Automaton has 2626 states and 5093 transitions. Word has length 131 [2021-10-19 14:33:22,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:22,298 INFO L470 AbstractCegarLoop]: Abstraction has 2626 states and 5093 transitions. [2021-10-19 14:33:22,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:22,298 INFO L276 IsEmpty]: Start isEmpty. Operand 2626 states and 5093 transitions. [2021-10-19 14:33:22,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:33:22,299 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:22,299 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:33:22,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable226 [2021-10-19 14:33:22,299 INFO L402 AbstractCegarLoop]: === Iteration 228 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:22,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:22,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1291681275, now seen corresponding path program 2 times [2021-10-19 14:33:22,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:22,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664822948] [2021-10-19 14:33:22,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:22,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:22,489 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 14:33:22,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:22,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664822948] [2021-10-19 14:33:22,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664822948] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:22,490 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:22,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:33:22,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834801467] [2021-10-19 14:33:22,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:33:22,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:22,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:33:22,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:33:22,490 INFO L87 Difference]: Start difference. First operand 2626 states and 5093 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:24,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:24,787 INFO L93 Difference]: Finished difference Result 4730 states and 9182 transitions. [2021-10-19 14:33:24,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-10-19 14:33:24,787 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:33:24,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:24,791 INFO L225 Difference]: With dead ends: 4730 [2021-10-19 14:33:24,791 INFO L226 Difference]: Without dead ends: 4730 [2021-10-19 14:33:24,792 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2492 ImplicationChecksByTransitivity, 988.4ms TimeCoverageRelationStatistics Valid=978, Invalid=6854, Unknown=0, NotChecked=0, Total=7832 [2021-10-19 14:33:24,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4730 states. [2021-10-19 14:33:24,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4730 to 2706. [2021-10-19 14:33:24,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2697 states have (on average 1.9477196885428254) internal successors, (5253), 2705 states have internal predecessors, (5253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:24,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 5253 transitions. [2021-10-19 14:33:24,815 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 5253 transitions. Word has length 131 [2021-10-19 14:33:24,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:24,816 INFO L470 AbstractCegarLoop]: Abstraction has 2706 states and 5253 transitions. [2021-10-19 14:33:24,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:24,816 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 5253 transitions. [2021-10-19 14:33:24,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:33:24,817 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:24,817 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:33:24,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable227 [2021-10-19 14:33:24,817 INFO L402 AbstractCegarLoop]: === Iteration 229 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:24,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:24,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1412720591, now seen corresponding path program 3 times [2021-10-19 14:33:24,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:24,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368531422] [2021-10-19 14:33:24,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:24,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:25,077 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 14:33:25,078 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:25,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368531422] [2021-10-19 14:33:25,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368531422] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:25,078 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:25,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:25,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177520151] [2021-10-19 14:33:25,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:25,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:25,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:25,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:25,078 INFO L87 Difference]: Start difference. First operand 2706 states and 5253 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:28,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:28,107 INFO L93 Difference]: Finished difference Result 4364 states and 8490 transitions. [2021-10-19 14:33:28,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-10-19 14:33:28,108 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:33:28,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:28,111 INFO L225 Difference]: With dead ends: 4364 [2021-10-19 14:33:28,111 INFO L226 Difference]: Without dead ends: 4364 [2021-10-19 14:33:28,112 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3303 ImplicationChecksByTransitivity, 1872.7ms TimeCoverageRelationStatistics Valid=1587, Invalid=8513, Unknown=0, NotChecked=0, Total=10100 [2021-10-19 14:33:28,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4364 states. [2021-10-19 14:33:28,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4364 to 2722. [2021-10-19 14:33:28,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2713 states have (on average 1.9480280132694434) internal successors, (5285), 2721 states have internal predecessors, (5285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:28,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 5285 transitions. [2021-10-19 14:33:28,135 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 5285 transitions. Word has length 131 [2021-10-19 14:33:28,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:28,135 INFO L470 AbstractCegarLoop]: Abstraction has 2722 states and 5285 transitions. [2021-10-19 14:33:28,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:28,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 5285 transitions. [2021-10-19 14:33:28,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:33:28,137 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:28,137 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:33:28,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable228 [2021-10-19 14:33:28,137 INFO L402 AbstractCegarLoop]: === Iteration 230 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:28,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:28,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1414832971, now seen corresponding path program 4 times [2021-10-19 14:33:28,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:28,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736288058] [2021-10-19 14:33:28,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:28,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:28,550 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 14:33:28,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:28,550 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736288058] [2021-10-19 14:33:28,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736288058] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:28,550 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:28,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:28,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640664262] [2021-10-19 14:33:28,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:28,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:28,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:28,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:28,553 INFO L87 Difference]: Start difference. First operand 2722 states and 5285 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:30,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:30,827 INFO L93 Difference]: Finished difference Result 3011 states and 5818 transitions. [2021-10-19 14:33:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:33:30,827 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:33:30,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:30,830 INFO L225 Difference]: With dead ends: 3011 [2021-10-19 14:33:30,830 INFO L226 Difference]: Without dead ends: 3011 [2021-10-19 14:33:30,830 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1268 ImplicationChecksByTransitivity, 1358.7ms TimeCoverageRelationStatistics Valid=863, Invalid=3693, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:33:30,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3011 states. [2021-10-19 14:33:30,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3011 to 2744. [2021-10-19 14:33:30,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2744 states, 2735 states have (on average 1.9484460694698356) internal successors, (5329), 2743 states have internal predecessors, (5329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:30,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2744 states to 2744 states and 5329 transitions. [2021-10-19 14:33:30,850 INFO L78 Accepts]: Start accepts. Automaton has 2744 states and 5329 transitions. Word has length 131 [2021-10-19 14:33:30,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:30,850 INFO L470 AbstractCegarLoop]: Abstraction has 2744 states and 5329 transitions. [2021-10-19 14:33:30,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:30,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2744 states and 5329 transitions. [2021-10-19 14:33:30,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:33:30,852 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:30,852 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:33:30,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable229 [2021-10-19 14:33:30,852 INFO L402 AbstractCegarLoop]: === Iteration 231 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:30,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:30,852 INFO L82 PathProgramCache]: Analyzing trace with hash 131967333, now seen corresponding path program 5 times [2021-10-19 14:33:30,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:30,852 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298263813] [2021-10-19 14:33:30,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:30,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:31,286 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 14:33:31,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:31,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298263813] [2021-10-19 14:33:31,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298263813] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:31,286 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:31,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:31,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497786842] [2021-10-19 14:33:31,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:31,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:31,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:31,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:31,287 INFO L87 Difference]: Start difference. First operand 2744 states and 5329 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:33,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:33,753 INFO L93 Difference]: Finished difference Result 3043 states and 5880 transitions. [2021-10-19 14:33:33,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:33:33,753 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:33:33,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:33,756 INFO L225 Difference]: With dead ends: 3043 [2021-10-19 14:33:33,756 INFO L226 Difference]: Without dead ends: 3043 [2021-10-19 14:33:33,756 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1458 ImplicationChecksByTransitivity, 1550.9ms TimeCoverageRelationStatistics Valid=966, Invalid=4146, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:33:33,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3043 states. [2021-10-19 14:33:33,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3043 to 2748. [2021-10-19 14:33:33,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2748 states, 2739 states have (on average 1.9485213581599123) internal successors, (5337), 2747 states have internal predecessors, (5337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:33,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2748 states to 2748 states and 5337 transitions. [2021-10-19 14:33:33,777 INFO L78 Accepts]: Start accepts. Automaton has 2748 states and 5337 transitions. Word has length 131 [2021-10-19 14:33:33,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:33,777 INFO L470 AbstractCegarLoop]: Abstraction has 2748 states and 5337 transitions. [2021-10-19 14:33:33,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:33,777 INFO L276 IsEmpty]: Start isEmpty. Operand 2748 states and 5337 transitions. [2021-10-19 14:33:33,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:33:33,779 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:33,779 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:33:33,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230 [2021-10-19 14:33:33,779 INFO L402 AbstractCegarLoop]: === Iteration 232 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:33,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:33,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1686231959, now seen corresponding path program 6 times [2021-10-19 14:33:33,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:33,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470473945] [2021-10-19 14:33:33,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:33,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:34,192 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 14:33:34,192 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:34,192 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470473945] [2021-10-19 14:33:34,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470473945] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:34,193 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:34,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-10-19 14:33:34,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399083895] [2021-10-19 14:33:34,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-10-19 14:33:34,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:34,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-19 14:33:34,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-10-19 14:33:34,193 INFO L87 Difference]: Start difference. First operand 2748 states and 5337 transitions. Second operand has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:37,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:37,115 INFO L93 Difference]: Finished difference Result 3066 states and 5924 transitions. [2021-10-19 14:33:37,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-19 14:33:37,115 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:33:37,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:37,119 INFO L225 Difference]: With dead ends: 3066 [2021-10-19 14:33:37,119 INFO L226 Difference]: Without dead ends: 3066 [2021-10-19 14:33:37,119 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2002 ImplicationChecksByTransitivity, 1880.7ms TimeCoverageRelationStatistics Valid=1187, Invalid=5455, Unknown=0, NotChecked=0, Total=6642 [2021-10-19 14:33:37,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3066 states. [2021-10-19 14:33:37,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3066 to 2752. [2021-10-19 14:33:37,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2752 states, 2743 states have (on average 1.948596427269413) internal successors, (5345), 2751 states have internal predecessors, (5345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:37,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 2752 states and 5345 transitions. [2021-10-19 14:33:37,143 INFO L78 Accepts]: Start accepts. Automaton has 2752 states and 5345 transitions. Word has length 131 [2021-10-19 14:33:37,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:37,143 INFO L470 AbstractCegarLoop]: Abstraction has 2752 states and 5345 transitions. [2021-10-19 14:33:37,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:37,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2752 states and 5345 transitions. [2021-10-19 14:33:37,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:33:37,145 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:37,145 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:33:37,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231 [2021-10-19 14:33:37,145 INFO L402 AbstractCegarLoop]: === Iteration 233 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:37,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:37,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1114852849, now seen corresponding path program 7 times [2021-10-19 14:33:37,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:37,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791616884] [2021-10-19 14:33:37,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:37,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:37,572 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 14:33:37,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:37,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791616884] [2021-10-19 14:33:37,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791616884] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:37,573 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:37,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:37,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861626029] [2021-10-19 14:33:37,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:37,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:37,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:37,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:37,573 INFO L87 Difference]: Start difference. First operand 2752 states and 5345 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:39,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:39,792 INFO L93 Difference]: Finished difference Result 3034 states and 5864 transitions. [2021-10-19 14:33:39,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-19 14:33:39,792 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:33:39,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:39,795 INFO L225 Difference]: With dead ends: 3034 [2021-10-19 14:33:39,795 INFO L226 Difference]: Without dead ends: 3034 [2021-10-19 14:33:39,796 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1170 ImplicationChecksByTransitivity, 1325.6ms TimeCoverageRelationStatistics Valid=797, Invalid=3493, Unknown=0, NotChecked=0, Total=4290 [2021-10-19 14:33:39,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3034 states. [2021-10-19 14:33:39,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3034 to 2770. [2021-10-19 14:33:39,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2770 states, 2761 states have (on average 1.9489315465411083) internal successors, (5381), 2769 states have internal predecessors, (5381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:39,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 5381 transitions. [2021-10-19 14:33:39,826 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 5381 transitions. Word has length 131 [2021-10-19 14:33:39,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:39,826 INFO L470 AbstractCegarLoop]: Abstraction has 2770 states and 5381 transitions. [2021-10-19 14:33:39,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:39,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 5381 transitions. [2021-10-19 14:33:39,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:33:39,827 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:39,827 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:33:39,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable232 [2021-10-19 14:33:39,827 INFO L402 AbstractCegarLoop]: === Iteration 234 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:39,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:39,827 INFO L82 PathProgramCache]: Analyzing trace with hash -168012789, now seen corresponding path program 8 times [2021-10-19 14:33:39,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:39,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914806252] [2021-10-19 14:33:39,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:39,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:40,258 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 14:33:40,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:40,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914806252] [2021-10-19 14:33:40,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914806252] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:40,258 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:40,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:40,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774477968] [2021-10-19 14:33:40,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:40,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:40,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:40,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:40,259 INFO L87 Difference]: Start difference. First operand 2770 states and 5381 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:42,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:42,771 INFO L93 Difference]: Finished difference Result 3066 states and 5926 transitions. [2021-10-19 14:33:42,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:33:42,771 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:33:42,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:42,774 INFO L225 Difference]: With dead ends: 3066 [2021-10-19 14:33:42,774 INFO L226 Difference]: Without dead ends: 3066 [2021-10-19 14:33:42,775 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1355 ImplicationChecksByTransitivity, 1479.3ms TimeCoverageRelationStatistics Valid=888, Invalid=3942, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:33:42,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3066 states. [2021-10-19 14:33:42,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3066 to 2764. [2021-10-19 14:33:42,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2764 states, 2755 states have (on average 1.9488203266787658) internal successors, (5369), 2763 states have internal predecessors, (5369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:42,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2764 states and 5369 transitions. [2021-10-19 14:33:42,795 INFO L78 Accepts]: Start accepts. Automaton has 2764 states and 5369 transitions. Word has length 131 [2021-10-19 14:33:42,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:42,795 INFO L470 AbstractCegarLoop]: Abstraction has 2764 states and 5369 transitions. [2021-10-19 14:33:42,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:42,795 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 5369 transitions. [2021-10-19 14:33:42,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:33:42,796 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:42,797 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:33:42,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable233 [2021-10-19 14:33:42,797 INFO L402 AbstractCegarLoop]: === Iteration 235 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:42,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:42,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1986212081, now seen corresponding path program 9 times [2021-10-19 14:33:42,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:42,797 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625246946] [2021-10-19 14:33:42,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:42,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:43,184 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 14:33:43,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:43,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625246946] [2021-10-19 14:33:43,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625246946] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:43,185 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:43,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-10-19 14:33:43,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613245891] [2021-10-19 14:33:43,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-10-19 14:33:43,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:43,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-19 14:33:43,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2021-10-19 14:33:43,185 INFO L87 Difference]: Start difference. First operand 2764 states and 5369 transitions. Second operand has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:46,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:46,662 INFO L93 Difference]: Finished difference Result 3087 states and 5965 transitions. [2021-10-19 14:33:46,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-10-19 14:33:46,662 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:33:46,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:46,666 INFO L225 Difference]: With dead ends: 3087 [2021-10-19 14:33:46,666 INFO L226 Difference]: Without dead ends: 3087 [2021-10-19 14:33:46,666 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2333 ImplicationChecksByTransitivity, 2041.8ms TimeCoverageRelationStatistics Valid=1341, Invalid=6141, Unknown=0, NotChecked=0, Total=7482 [2021-10-19 14:33:46,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3087 states. [2021-10-19 14:33:46,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3087 to 2758. [2021-10-19 14:33:46,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2758 states, 2749 states have (on average 1.9487086213168425) internal successors, (5357), 2757 states have internal predecessors, (5357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:46,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2758 states to 2758 states and 5357 transitions. [2021-10-19 14:33:46,688 INFO L78 Accepts]: Start accepts. Automaton has 2758 states and 5357 transitions. Word has length 131 [2021-10-19 14:33:46,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:46,688 INFO L470 AbstractCegarLoop]: Abstraction has 2758 states and 5357 transitions. [2021-10-19 14:33:46,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:46,688 INFO L276 IsEmpty]: Start isEmpty. Operand 2758 states and 5357 transitions. [2021-10-19 14:33:46,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:33:46,689 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:46,689 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:33:46,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable234 [2021-10-19 14:33:46,689 INFO L402 AbstractCegarLoop]: === Iteration 236 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:46,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:46,690 INFO L82 PathProgramCache]: Analyzing trace with hash -928390321, now seen corresponding path program 10 times [2021-10-19 14:33:46,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:46,690 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365610926] [2021-10-19 14:33:46,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:46,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:47,043 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 14:33:47,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:47,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365610926] [2021-10-19 14:33:47,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365610926] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:47,043 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:47,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:47,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347043248] [2021-10-19 14:33:47,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:47,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:47,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:47,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:47,044 INFO L87 Difference]: Start difference. First operand 2758 states and 5357 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:49,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:49,741 INFO L93 Difference]: Finished difference Result 3092 states and 5974 transitions. [2021-10-19 14:33:49,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-10-19 14:33:49,742 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:33:49,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:49,745 INFO L225 Difference]: With dead ends: 3092 [2021-10-19 14:33:49,745 INFO L226 Difference]: Without dead ends: 3092 [2021-10-19 14:33:49,745 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2214 ImplicationChecksByTransitivity, 1866.5ms TimeCoverageRelationStatistics Valid=1384, Invalid=5756, Unknown=0, NotChecked=0, Total=7140 [2021-10-19 14:33:49,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3092 states. [2021-10-19 14:33:49,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3092 to 2762. [2021-10-19 14:33:49,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2753 states have (on average 1.9487831456592808) internal successors, (5365), 2761 states have internal predecessors, (5365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:49,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 5365 transitions. [2021-10-19 14:33:49,766 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 5365 transitions. Word has length 131 [2021-10-19 14:33:49,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:49,766 INFO L470 AbstractCegarLoop]: Abstraction has 2762 states and 5365 transitions. [2021-10-19 14:33:49,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:49,766 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 5365 transitions. [2021-10-19 14:33:49,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:33:49,767 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:49,767 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:33:49,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable235 [2021-10-19 14:33:49,767 INFO L402 AbstractCegarLoop]: === Iteration 237 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:49,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:49,767 INFO L82 PathProgramCache]: Analyzing trace with hash 400428107, now seen corresponding path program 11 times [2021-10-19 14:33:49,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:49,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342470737] [2021-10-19 14:33:49,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:49,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:50,169 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 14:33:50,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:50,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342470737] [2021-10-19 14:33:50,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342470737] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:50,169 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:50,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:50,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773658044] [2021-10-19 14:33:50,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:50,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:50,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:50,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:50,170 INFO L87 Difference]: Start difference. First operand 2762 states and 5365 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:52,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:52,090 INFO L93 Difference]: Finished difference Result 3556 states and 6929 transitions. [2021-10-19 14:33:52,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-19 14:33:52,090 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:33:52,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:52,093 INFO L225 Difference]: With dead ends: 3556 [2021-10-19 14:33:52,094 INFO L226 Difference]: Without dead ends: 3556 [2021-10-19 14:33:52,094 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1169 ImplicationChecksByTransitivity, 1069.3ms TimeCoverageRelationStatistics Valid=762, Invalid=3528, Unknown=0, NotChecked=0, Total=4290 [2021-10-19 14:33:52,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3556 states. [2021-10-19 14:33:52,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3556 to 2846. [2021-10-19 14:33:52,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2846 states, 2837 states have (on average 1.9502996122664786) internal successors, (5533), 2845 states have internal predecessors, (5533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:52,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2846 states and 5533 transitions. [2021-10-19 14:33:52,116 INFO L78 Accepts]: Start accepts. Automaton has 2846 states and 5533 transitions. Word has length 131 [2021-10-19 14:33:52,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:52,116 INFO L470 AbstractCegarLoop]: Abstraction has 2846 states and 5533 transitions. [2021-10-19 14:33:52,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:52,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2846 states and 5533 transitions. [2021-10-19 14:33:52,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:33:52,117 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:52,118 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:33:52,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable236 [2021-10-19 14:33:52,118 INFO L402 AbstractCegarLoop]: === Iteration 238 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:52,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:52,118 INFO L82 PathProgramCache]: Analyzing trace with hash -882437531, now seen corresponding path program 12 times [2021-10-19 14:33:52,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:52,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113820039] [2021-10-19 14:33:52,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:52,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:52,469 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 14:33:52,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:52,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113820039] [2021-10-19 14:33:52,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113820039] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:52,470 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:52,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:52,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786965339] [2021-10-19 14:33:52,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:52,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:52,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:52,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:52,470 INFO L87 Difference]: Start difference. First operand 2846 states and 5533 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:54,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:54,600 INFO L93 Difference]: Finished difference Result 3596 states and 7007 transitions. [2021-10-19 14:33:54,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:33:54,601 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:33:54,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:54,604 INFO L225 Difference]: With dead ends: 3596 [2021-10-19 14:33:54,604 INFO L226 Difference]: Without dead ends: 3596 [2021-10-19 14:33:54,605 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1358 ImplicationChecksByTransitivity, 1161.7ms TimeCoverageRelationStatistics Valid=842, Invalid=3988, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:33:54,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3596 states. [2021-10-19 14:33:54,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3596 to 2834. [2021-10-19 14:33:54,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2834 states, 2825 states have (on average 1.9500884955752213) internal successors, (5509), 2833 states have internal predecessors, (5509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:54,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2834 states to 2834 states and 5509 transitions. [2021-10-19 14:33:54,627 INFO L78 Accepts]: Start accepts. Automaton has 2834 states and 5509 transitions. Word has length 131 [2021-10-19 14:33:54,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:54,627 INFO L470 AbstractCegarLoop]: Abstraction has 2834 states and 5509 transitions. [2021-10-19 14:33:54,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:54,627 INFO L276 IsEmpty]: Start isEmpty. Operand 2834 states and 5509 transitions. [2021-10-19 14:33:54,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:33:54,628 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:54,628 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:33:54,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable237 [2021-10-19 14:33:54,628 INFO L402 AbstractCegarLoop]: === Iteration 239 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:54,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:54,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1594330473, now seen corresponding path program 13 times [2021-10-19 14:33:54,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:54,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141166461] [2021-10-19 14:33:54,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:54,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:54,979 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 14:33:54,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:54,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141166461] [2021-10-19 14:33:54,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141166461] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:54,980 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:54,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:54,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734159295] [2021-10-19 14:33:54,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:54,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:54,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:54,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:54,980 INFO L87 Difference]: Start difference. First operand 2834 states and 5509 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:57,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:57,437 INFO L93 Difference]: Finished difference Result 3648 states and 7109 transitions. [2021-10-19 14:33:57,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-19 14:33:57,437 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:33:57,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:57,441 INFO L225 Difference]: With dead ends: 3648 [2021-10-19 14:33:57,441 INFO L226 Difference]: Without dead ends: 3648 [2021-10-19 14:33:57,441 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1647 ImplicationChecksByTransitivity, 1452.0ms TimeCoverageRelationStatistics Valid=1027, Invalid=4673, Unknown=0, NotChecked=0, Total=5700 [2021-10-19 14:33:57,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3648 states. [2021-10-19 14:33:57,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3648 to 2822. [2021-10-19 14:33:57,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2822 states, 2813 states have (on average 1.94987557767508) internal successors, (5485), 2821 states have internal predecessors, (5485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:57,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2822 states to 2822 states and 5485 transitions. [2021-10-19 14:33:57,463 INFO L78 Accepts]: Start accepts. Automaton has 2822 states and 5485 transitions. Word has length 131 [2021-10-19 14:33:57,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:57,463 INFO L470 AbstractCegarLoop]: Abstraction has 2822 states and 5485 transitions. [2021-10-19 14:33:57,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:57,464 INFO L276 IsEmpty]: Start isEmpty. Operand 2822 states and 5485 transitions. [2021-10-19 14:33:57,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:33:57,465 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:57,465 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:33:57,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable238 [2021-10-19 14:33:57,465 INFO L402 AbstractCegarLoop]: === Iteration 240 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:57,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:57,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1642815063, now seen corresponding path program 14 times [2021-10-19 14:33:57,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:57,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873979404] [2021-10-19 14:33:57,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:57,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:57,810 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 14:33:57,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:57,810 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873979404] [2021-10-19 14:33:57,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873979404] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:57,810 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:57,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:57,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924267751] [2021-10-19 14:33:57,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:57,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:57,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:57,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:57,811 INFO L87 Difference]: Start difference. First operand 2822 states and 5485 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:00,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:00,603 INFO L93 Difference]: Finished difference Result 3700 states and 7206 transitions. [2021-10-19 14:34:00,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-10-19 14:34:00,604 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:34:00,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:00,607 INFO L225 Difference]: With dead ends: 3700 [2021-10-19 14:34:00,607 INFO L226 Difference]: Without dead ends: 3700 [2021-10-19 14:34:00,608 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2805 ImplicationChecksByTransitivity, 1901.0ms TimeCoverageRelationStatistics Valid=1602, Invalid=6954, Unknown=0, NotChecked=0, Total=8556 [2021-10-19 14:34:00,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3700 states. [2021-10-19 14:34:00,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3700 to 2810. [2021-10-19 14:34:00,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2810 states, 2801 states have (on average 1.9496608354159228) internal successors, (5461), 2809 states have internal predecessors, (5461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:00,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2810 states to 2810 states and 5461 transitions. [2021-10-19 14:34:00,630 INFO L78 Accepts]: Start accepts. Automaton has 2810 states and 5461 transitions. Word has length 131 [2021-10-19 14:34:00,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:00,630 INFO L470 AbstractCegarLoop]: Abstraction has 2810 states and 5461 transitions. [2021-10-19 14:34:00,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:00,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2810 states and 5461 transitions. [2021-10-19 14:34:00,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:34:00,631 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:00,631 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:34:00,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable239 [2021-10-19 14:34:00,631 INFO L402 AbstractCegarLoop]: === Iteration 241 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:00,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:00,631 INFO L82 PathProgramCache]: Analyzing trace with hash -770650551, now seen corresponding path program 15 times [2021-10-19 14:34:00,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:00,632 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713661748] [2021-10-19 14:34:00,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:00,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:00,887 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 14:34:00,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:00,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713661748] [2021-10-19 14:34:00,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713661748] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:00,887 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:00,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:34:00,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261128786] [2021-10-19 14:34:00,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:34:00,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:00,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:34:00,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:34:00,888 INFO L87 Difference]: Start difference. First operand 2810 states and 5461 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:03,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:03,796 INFO L93 Difference]: Finished difference Result 4496 states and 8737 transitions. [2021-10-19 14:34:03,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-10-19 14:34:03,797 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:34:03,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:03,801 INFO L225 Difference]: With dead ends: 4496 [2021-10-19 14:34:03,801 INFO L226 Difference]: Without dead ends: 4496 [2021-10-19 14:34:03,801 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2793 ImplicationChecksByTransitivity, 1618.1ms TimeCoverageRelationStatistics Valid=1539, Invalid=7017, Unknown=0, NotChecked=0, Total=8556 [2021-10-19 14:34:03,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4496 states. [2021-10-19 14:34:03,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4496 to 2722. [2021-10-19 14:34:03,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2713 states have (on average 1.9480280132694434) internal successors, (5285), 2721 states have internal predecessors, (5285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:03,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 5285 transitions. [2021-10-19 14:34:03,824 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 5285 transitions. Word has length 131 [2021-10-19 14:34:03,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:03,824 INFO L470 AbstractCegarLoop]: Abstraction has 2722 states and 5285 transitions. [2021-10-19 14:34:03,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:03,825 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 5285 transitions. [2021-10-19 14:34:03,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:34:03,826 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:03,826 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:34:03,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240 [2021-10-19 14:34:03,826 INFO L402 AbstractCegarLoop]: === Iteration 242 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:03,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:03,826 INFO L82 PathProgramCache]: Analyzing trace with hash 461169193, now seen corresponding path program 16 times [2021-10-19 14:34:03,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:03,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414690000] [2021-10-19 14:34:03,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:03,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:04,030 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 14:34:04,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:04,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414690000] [2021-10-19 14:34:04,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414690000] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:04,030 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:04,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:34:04,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741134079] [2021-10-19 14:34:04,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:34:04,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:04,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:34:04,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:34:04,031 INFO L87 Difference]: Start difference. First operand 2722 states and 5285 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:06,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:06,915 INFO L93 Difference]: Finished difference Result 5672 states and 10990 transitions. [2021-10-19 14:34:06,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-10-19 14:34:06,916 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:34:06,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:06,921 INFO L225 Difference]: With dead ends: 5672 [2021-10-19 14:34:06,922 INFO L226 Difference]: Without dead ends: 5672 [2021-10-19 14:34:06,923 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3900 ImplicationChecksByTransitivity, 1228.2ms TimeCoverageRelationStatistics Valid=1346, Invalid=9996, Unknown=0, NotChecked=0, Total=11342 [2021-10-19 14:34:06,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5672 states. [2021-10-19 14:34:06,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5672 to 2752. [2021-10-19 14:34:06,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2752 states, 2743 states have (on average 1.948596427269413) internal successors, (5345), 2751 states have internal predecessors, (5345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:06,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 2752 states and 5345 transitions. [2021-10-19 14:34:06,963 INFO L78 Accepts]: Start accepts. Automaton has 2752 states and 5345 transitions. Word has length 131 [2021-10-19 14:34:06,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:06,963 INFO L470 AbstractCegarLoop]: Abstraction has 2752 states and 5345 transitions. [2021-10-19 14:34:06,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:06,963 INFO L276 IsEmpty]: Start isEmpty. Operand 2752 states and 5345 transitions. [2021-10-19 14:34:06,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:34:06,965 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:06,965 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:34:06,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241 [2021-10-19 14:34:06,965 INFO L402 AbstractCegarLoop]: === Iteration 243 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:06,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:06,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1094338923, now seen corresponding path program 17 times [2021-10-19 14:34:06,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:06,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738650459] [2021-10-19 14:34:06,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:06,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:07,169 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 14:34:07,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:07,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738650459] [2021-10-19 14:34:07,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738650459] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:07,169 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:07,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:34:07,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804359808] [2021-10-19 14:34:07,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:34:07,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:07,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:34:07,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:34:07,170 INFO L87 Difference]: Start difference. First operand 2752 states and 5345 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:09,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:09,984 INFO L93 Difference]: Finished difference Result 4795 states and 9312 transitions. [2021-10-19 14:34:09,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-10-19 14:34:09,984 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:34:09,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:09,989 INFO L225 Difference]: With dead ends: 4795 [2021-10-19 14:34:09,989 INFO L226 Difference]: Without dead ends: 4795 [2021-10-19 14:34:09,990 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2451 ImplicationChecksByTransitivity, 1033.8ms TimeCoverageRelationStatistics Valid=1008, Invalid=6824, Unknown=0, NotChecked=0, Total=7832 [2021-10-19 14:34:09,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4795 states. [2021-10-19 14:34:10,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4795 to 2796. [2021-10-19 14:34:10,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 2787 states have (on average 1.9494079655543595) internal successors, (5433), 2795 states have internal predecessors, (5433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:10,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 5433 transitions. [2021-10-19 14:34:10,019 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 5433 transitions. Word has length 131 [2021-10-19 14:34:10,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:10,019 INFO L470 AbstractCegarLoop]: Abstraction has 2796 states and 5433 transitions. [2021-10-19 14:34:10,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:10,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 5433 transitions. [2021-10-19 14:34:10,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:34:10,021 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:10,021 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:34:10,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable242 [2021-10-19 14:34:10,021 INFO L402 AbstractCegarLoop]: === Iteration 244 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:10,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:10,021 INFO L82 PathProgramCache]: Analyzing trace with hash -973299607, now seen corresponding path program 18 times [2021-10-19 14:34:10,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:10,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875121795] [2021-10-19 14:34:10,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:10,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:10,304 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 14:34:10,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:10,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875121795] [2021-10-19 14:34:10,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875121795] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:10,305 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:10,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:34:10,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163071329] [2021-10-19 14:34:10,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:34:10,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:10,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:34:10,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:34:10,305 INFO L87 Difference]: Start difference. First operand 2796 states and 5433 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:13,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:13,545 INFO L93 Difference]: Finished difference Result 4573 states and 8903 transitions. [2021-10-19 14:34:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-10-19 14:34:13,545 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:34:13,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:13,550 INFO L225 Difference]: With dead ends: 4573 [2021-10-19 14:34:13,550 INFO L226 Difference]: Without dead ends: 4573 [2021-10-19 14:34:13,551 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3294 ImplicationChecksByTransitivity, 1818.6ms TimeCoverageRelationStatistics Valid=1519, Invalid=8581, Unknown=0, NotChecked=0, Total=10100 [2021-10-19 14:34:13,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4573 states. [2021-10-19 14:34:13,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4573 to 2740. [2021-10-19 14:34:13,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2740 states, 2731 states have (on average 1.9483705602343464) internal successors, (5321), 2739 states have internal predecessors, (5321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:13,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2740 states to 2740 states and 5321 transitions. [2021-10-19 14:34:13,576 INFO L78 Accepts]: Start accepts. Automaton has 2740 states and 5321 transitions. Word has length 131 [2021-10-19 14:34:13,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:13,577 INFO L470 AbstractCegarLoop]: Abstraction has 2740 states and 5321 transitions. [2021-10-19 14:34:13,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:13,577 INFO L276 IsEmpty]: Start isEmpty. Operand 2740 states and 5321 transitions. [2021-10-19 14:34:13,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:34:13,578 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:13,578 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:34:13,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable243 [2021-10-19 14:34:13,578 INFO L402 AbstractCegarLoop]: === Iteration 245 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:13,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:13,578 INFO L82 PathProgramCache]: Analyzing trace with hash 398618429, now seen corresponding path program 19 times [2021-10-19 14:34:13,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:13,578 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972235995] [2021-10-19 14:34:13,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:13,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:13,769 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 14:34:13,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:13,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972235995] [2021-10-19 14:34:13,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972235995] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:13,769 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:13,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:34:13,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821644585] [2021-10-19 14:34:13,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:34:13,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:13,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:34:13,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:34:13,770 INFO L87 Difference]: Start difference. First operand 2740 states and 5321 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:16,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:16,188 INFO L93 Difference]: Finished difference Result 5125 states and 9904 transitions. [2021-10-19 14:34:16,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-19 14:34:16,189 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:34:16,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:16,193 INFO L225 Difference]: With dead ends: 5125 [2021-10-19 14:34:16,193 INFO L226 Difference]: Without dead ends: 5125 [2021-10-19 14:34:16,193 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3037 ImplicationChecksByTransitivity, 1081.6ms TimeCoverageRelationStatistics Valid=1088, Invalid=8032, Unknown=0, NotChecked=0, Total=9120 [2021-10-19 14:34:16,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5125 states. [2021-10-19 14:34:16,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5125 to 2761. [2021-10-19 14:34:16,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2761 states, 2752 states have (on average 1.948764534883721) internal successors, (5363), 2760 states have internal predecessors, (5363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:16,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2761 states and 5363 transitions. [2021-10-19 14:34:16,219 INFO L78 Accepts]: Start accepts. Automaton has 2761 states and 5363 transitions. Word has length 131 [2021-10-19 14:34:16,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:16,219 INFO L470 AbstractCegarLoop]: Abstraction has 2761 states and 5363 transitions. [2021-10-19 14:34:16,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:16,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2761 states and 5363 transitions. [2021-10-19 14:34:16,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:34:16,220 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:16,220 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:34:16,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable244 [2021-10-19 14:34:16,220 INFO L402 AbstractCegarLoop]: === Iteration 246 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:16,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:16,221 INFO L82 PathProgramCache]: Analyzing trace with hash 935558797, now seen corresponding path program 20 times [2021-10-19 14:34:16,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:16,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494005005] [2021-10-19 14:34:16,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:16,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:16,405 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 14:34:16,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:16,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494005005] [2021-10-19 14:34:16,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494005005] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:16,405 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:16,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:34:16,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628275491] [2021-10-19 14:34:16,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:34:16,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:16,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:34:16,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:34:16,406 INFO L87 Difference]: Start difference. First operand 2761 states and 5363 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:18,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:18,678 INFO L93 Difference]: Finished difference Result 5360 states and 10383 transitions. [2021-10-19 14:34:18,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-10-19 14:34:18,679 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:34:18,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:18,684 INFO L225 Difference]: With dead ends: 5360 [2021-10-19 14:34:18,684 INFO L226 Difference]: Without dead ends: 5360 [2021-10-19 14:34:18,685 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2399 ImplicationChecksByTransitivity, 1003.2ms TimeCoverageRelationStatistics Valid=995, Invalid=6661, Unknown=0, NotChecked=0, Total=7656 [2021-10-19 14:34:18,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5360 states. [2021-10-19 14:34:18,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5360 to 2797. [2021-10-19 14:34:18,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2797 states, 2788 states have (on average 1.949426111908178) internal successors, (5435), 2796 states have internal predecessors, (5435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:18,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2797 states to 2797 states and 5435 transitions. [2021-10-19 14:34:18,716 INFO L78 Accepts]: Start accepts. Automaton has 2797 states and 5435 transitions. Word has length 131 [2021-10-19 14:34:18,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:18,716 INFO L470 AbstractCegarLoop]: Abstraction has 2797 states and 5435 transitions. [2021-10-19 14:34:18,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:18,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2797 states and 5435 transitions. [2021-10-19 14:34:18,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:34:18,717 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:18,717 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:34:18,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable245 [2021-10-19 14:34:18,718 INFO L402 AbstractCegarLoop]: === Iteration 247 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:18,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:18,718 INFO L82 PathProgramCache]: Analyzing trace with hash -619949319, now seen corresponding path program 21 times [2021-10-19 14:34:18,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:18,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28826823] [2021-10-19 14:34:18,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:18,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:18,908 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 14:34:18,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:18,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28826823] [2021-10-19 14:34:18,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28826823] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:18,908 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:18,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:34:18,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90703914] [2021-10-19 14:34:18,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:34:18,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:18,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:34:18,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:34:18,909 INFO L87 Difference]: Start difference. First operand 2797 states and 5435 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:20,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:20,929 INFO L93 Difference]: Finished difference Result 4483 states and 8705 transitions. [2021-10-19 14:34:20,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-19 14:34:20,929 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:34:20,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:20,935 INFO L225 Difference]: With dead ends: 4483 [2021-10-19 14:34:20,935 INFO L226 Difference]: Without dead ends: 4483 [2021-10-19 14:34:20,936 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1400 ImplicationChecksByTransitivity, 788.2ms TimeCoverageRelationStatistics Valid=697, Invalid=4415, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:34:20,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4483 states. [2021-10-19 14:34:20,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4483 to 2841. [2021-10-19 14:34:20,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2841 states, 2832 states have (on average 1.9502118644067796) internal successors, (5523), 2840 states have internal predecessors, (5523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:20,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2841 states and 5523 transitions. [2021-10-19 14:34:20,982 INFO L78 Accepts]: Start accepts. Automaton has 2841 states and 5523 transitions. Word has length 131 [2021-10-19 14:34:20,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:20,982 INFO L470 AbstractCegarLoop]: Abstraction has 2841 states and 5523 transitions. [2021-10-19 14:34:20,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:20,982 INFO L276 IsEmpty]: Start isEmpty. Operand 2841 states and 5523 transitions. [2021-10-19 14:34:20,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:34:20,984 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:20,984 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:34:20,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable246 [2021-10-19 14:34:20,984 INFO L402 AbstractCegarLoop]: === Iteration 248 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:20,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:20,984 INFO L82 PathProgramCache]: Analyzing trace with hash -498910003, now seen corresponding path program 22 times [2021-10-19 14:34:20,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:20,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657764353] [2021-10-19 14:34:20,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:20,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:21,246 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 14:34:21,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:21,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657764353] [2021-10-19 14:34:21,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657764353] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:21,247 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:21,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:34:21,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759749657] [2021-10-19 14:34:21,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:34:21,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:21,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:34:21,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:34:21,247 INFO L87 Difference]: Start difference. First operand 2841 states and 5523 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:23,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:23,645 INFO L93 Difference]: Finished difference Result 4101 states and 8016 transitions. [2021-10-19 14:34:23,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-10-19 14:34:23,645 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:34:23,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:23,649 INFO L225 Difference]: With dead ends: 4101 [2021-10-19 14:34:23,649 INFO L226 Difference]: Without dead ends: 4101 [2021-10-19 14:34:23,649 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1588 ImplicationChecksByTransitivity, 1338.4ms TimeCoverageRelationStatistics Valid=923, Invalid=4929, Unknown=0, NotChecked=0, Total=5852 [2021-10-19 14:34:23,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4101 states. [2021-10-19 14:34:23,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4101 to 2785. [2021-10-19 14:34:23,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2785 states, 2776 states have (on average 1.949207492795389) internal successors, (5411), 2784 states have internal predecessors, (5411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:23,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2785 states and 5411 transitions. [2021-10-19 14:34:23,672 INFO L78 Accepts]: Start accepts. Automaton has 2785 states and 5411 transitions. Word has length 131 [2021-10-19 14:34:23,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:23,672 INFO L470 AbstractCegarLoop]: Abstraction has 2785 states and 5411 transitions. [2021-10-19 14:34:23,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:23,672 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 5411 transitions. [2021-10-19 14:34:23,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:34:23,673 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:23,673 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:34:23,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable247 [2021-10-19 14:34:23,674 INFO L402 AbstractCegarLoop]: === Iteration 249 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:23,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:23,674 INFO L82 PathProgramCache]: Analyzing trace with hash 873008033, now seen corresponding path program 23 times [2021-10-19 14:34:23,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:23,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237895246] [2021-10-19 14:34:23,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:23,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:23,891 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 14:34:23,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:23,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237895246] [2021-10-19 14:34:23,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237895246] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:23,891 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:23,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:34:23,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095811722] [2021-10-19 14:34:23,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:34:23,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:23,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:34:23,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:34:23,892 INFO L87 Difference]: Start difference. First operand 2785 states and 5411 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:26,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:26,522 INFO L93 Difference]: Finished difference Result 5428 states and 10515 transitions. [2021-10-19 14:34:26,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2021-10-19 14:34:26,523 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:34:26,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:26,527 INFO L225 Difference]: With dead ends: 5428 [2021-10-19 14:34:26,527 INFO L226 Difference]: Without dead ends: 5428 [2021-10-19 14:34:26,527 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2822 ImplicationChecksByTransitivity, 1095.4ms TimeCoverageRelationStatistics Valid=1089, Invalid=7653, Unknown=0, NotChecked=0, Total=8742 [2021-10-19 14:34:26,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5428 states. [2021-10-19 14:34:26,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5428 to 2767. [2021-10-19 14:34:26,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2767 states, 2758 states have (on average 1.9488759970993474) internal successors, (5375), 2766 states have internal predecessors, (5375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:26,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 2767 states and 5375 transitions. [2021-10-19 14:34:26,553 INFO L78 Accepts]: Start accepts. Automaton has 2767 states and 5375 transitions. Word has length 131 [2021-10-19 14:34:26,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:26,553 INFO L470 AbstractCegarLoop]: Abstraction has 2767 states and 5375 transitions. [2021-10-19 14:34:26,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:26,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2767 states and 5375 transitions. [2021-10-19 14:34:26,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:34:26,555 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:26,555 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:34:26,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable248 [2021-10-19 14:34:26,555 INFO L402 AbstractCegarLoop]: === Iteration 250 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:26,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:26,555 INFO L82 PathProgramCache]: Analyzing trace with hash 995800035, now seen corresponding path program 24 times [2021-10-19 14:34:26,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:26,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793230581] [2021-10-19 14:34:26,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:26,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:26,738 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 14:34:26,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:26,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793230581] [2021-10-19 14:34:26,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793230581] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:26,739 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:26,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:34:26,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152883730] [2021-10-19 14:34:26,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:34:26,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:26,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:34:26,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:34:26,739 INFO L87 Difference]: Start difference. First operand 2767 states and 5375 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:28,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:28,424 INFO L93 Difference]: Finished difference Result 3977 states and 7703 transitions. [2021-10-19 14:34:28,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:34:28,424 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:34:28,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:28,427 INFO L225 Difference]: With dead ends: 3977 [2021-10-19 14:34:28,427 INFO L226 Difference]: Without dead ends: 3977 [2021-10-19 14:34:28,428 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1325 ImplicationChecksByTransitivity, 705.8ms TimeCoverageRelationStatistics Valid=688, Invalid=3868, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:34:28,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3977 states. [2021-10-19 14:34:28,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3977 to 2774. [2021-10-19 14:34:28,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2765 states have (on average 1.9490054249547921) internal successors, (5389), 2773 states have internal predecessors, (5389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:28,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 5389 transitions. [2021-10-19 14:34:28,451 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 5389 transitions. Word has length 131 [2021-10-19 14:34:28,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:28,451 INFO L470 AbstractCegarLoop]: Abstraction has 2774 states and 5389 transitions. [2021-10-19 14:34:28,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:28,451 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 5389 transitions. [2021-10-19 14:34:28,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:34:28,452 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:28,452 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:34:28,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable249 [2021-10-19 14:34:28,452 INFO L402 AbstractCegarLoop]: === Iteration 251 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:28,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:28,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1271404917, now seen corresponding path program 25 times [2021-10-19 14:34:28,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:28,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605849368] [2021-10-19 14:34:28,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:28,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:28,639 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 14:34:28,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:28,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605849368] [2021-10-19 14:34:28,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605849368] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:28,640 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:28,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:34:28,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595212895] [2021-10-19 14:34:28,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:34:28,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:28,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:34:28,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:34:28,640 INFO L87 Difference]: Start difference. First operand 2774 states and 5389 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:31,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:31,499 INFO L93 Difference]: Finished difference Result 5727 states and 11052 transitions. [2021-10-19 14:34:31,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-10-19 14:34:31,499 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:34:31,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:31,505 INFO L225 Difference]: With dead ends: 5727 [2021-10-19 14:34:31,505 INFO L226 Difference]: Without dead ends: 5727 [2021-10-19 14:34:31,506 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2483 ImplicationChecksByTransitivity, 1190.7ms TimeCoverageRelationStatistics Valid=1365, Invalid=6825, Unknown=0, NotChecked=0, Total=8190 [2021-10-19 14:34:31,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5727 states. [2021-10-19 14:34:31,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5727 to 2774. [2021-10-19 14:34:31,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2765 states have (on average 1.9490054249547921) internal successors, (5389), 2773 states have internal predecessors, (5389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:31,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 5389 transitions. [2021-10-19 14:34:31,546 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 5389 transitions. Word has length 131 [2021-10-19 14:34:31,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:31,546 INFO L470 AbstractCegarLoop]: Abstraction has 2774 states and 5389 transitions. [2021-10-19 14:34:31,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:31,546 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 5389 transitions. [2021-10-19 14:34:31,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:34:31,547 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:31,547 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:34:31,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250 [2021-10-19 14:34:31,547 INFO L402 AbstractCegarLoop]: === Iteration 252 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:31,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:31,548 INFO L82 PathProgramCache]: Analyzing trace with hash -284103199, now seen corresponding path program 26 times [2021-10-19 14:34:31,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:31,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007437097] [2021-10-19 14:34:31,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:31,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:31,738 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 14:34:31,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:31,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007437097] [2021-10-19 14:34:31,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007437097] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:31,738 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:31,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:34:31,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740708823] [2021-10-19 14:34:31,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:34:31,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:31,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:34:31,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:34:31,739 INFO L87 Difference]: Start difference. First operand 2774 states and 5389 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:33,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:33,744 INFO L93 Difference]: Finished difference Result 4850 states and 9374 transitions. [2021-10-19 14:34:33,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-10-19 14:34:33,744 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:34:33,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:33,749 INFO L225 Difference]: With dead ends: 4850 [2021-10-19 14:34:33,749 INFO L226 Difference]: Without dead ends: 4850 [2021-10-19 14:34:33,749 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1170 ImplicationChecksByTransitivity, 863.1ms TimeCoverageRelationStatistics Valid=808, Invalid=3884, Unknown=0, NotChecked=0, Total=4692 [2021-10-19 14:34:33,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4850 states. [2021-10-19 14:34:33,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4850 to 2746. [2021-10-19 14:34:33,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2746 states, 2737 states have (on average 1.948483741322616) internal successors, (5333), 2745 states have internal predecessors, (5333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:33,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2746 states and 5333 transitions. [2021-10-19 14:34:33,775 INFO L78 Accepts]: Start accepts. Automaton has 2746 states and 5333 transitions. Word has length 131 [2021-10-19 14:34:33,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:33,776 INFO L470 AbstractCegarLoop]: Abstraction has 2746 states and 5333 transitions. [2021-10-19 14:34:33,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:33,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 5333 transitions. [2021-10-19 14:34:33,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:34:33,777 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:33,777 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:34:33,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable251 [2021-10-19 14:34:33,777 INFO L402 AbstractCegarLoop]: === Iteration 253 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:33,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:33,777 INFO L82 PathProgramCache]: Analyzing trace with hash -163063883, now seen corresponding path program 27 times [2021-10-19 14:34:33,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:33,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977033273] [2021-10-19 14:34:33,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:33,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:34,018 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 14:34:34,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:34,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977033273] [2021-10-19 14:34:34,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977033273] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:34,018 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:34,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:34:34,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202184469] [2021-10-19 14:34:34,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:34:34,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:34,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:34:34,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:34:34,019 INFO L87 Difference]: Start difference. First operand 2746 states and 5333 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:36,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:36,603 INFO L93 Difference]: Finished difference Result 4468 states and 8685 transitions. [2021-10-19 14:34:36,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-19 14:34:36,603 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:34:36,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:36,628 INFO L225 Difference]: With dead ends: 4468 [2021-10-19 14:34:36,628 INFO L226 Difference]: Without dead ends: 4468 [2021-10-19 14:34:36,628 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1110 ImplicationChecksByTransitivity, 1165.9ms TimeCoverageRelationStatistics Valid=897, Invalid=3795, Unknown=0, NotChecked=0, Total=4692 [2021-10-19 14:34:36,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4468 states. [2021-10-19 14:34:36,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4468 to 2666. [2021-10-19 14:34:36,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2666 states, 2657 states have (on average 1.9469326307866015) internal successors, (5173), 2665 states have internal predecessors, (5173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:36,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2666 states to 2666 states and 5173 transitions. [2021-10-19 14:34:36,651 INFO L78 Accepts]: Start accepts. Automaton has 2666 states and 5173 transitions. Word has length 131 [2021-10-19 14:34:36,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:36,651 INFO L470 AbstractCegarLoop]: Abstraction has 2666 states and 5173 transitions. [2021-10-19 14:34:36,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:36,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2666 states and 5173 transitions. [2021-10-19 14:34:36,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:34:36,653 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:36,653 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:34:36,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable252 [2021-10-19 14:34:36,653 INFO L402 AbstractCegarLoop]: === Iteration 254 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:36,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:36,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1208854153, now seen corresponding path program 28 times [2021-10-19 14:34:36,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:36,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354638800] [2021-10-19 14:34:36,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:36,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:36,842 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 14:34:36,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:36,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354638800] [2021-10-19 14:34:36,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354638800] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:36,843 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:36,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:34:36,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453737282] [2021-10-19 14:34:36,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:34:36,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:36,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:34:36,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:34:36,843 INFO L87 Difference]: Start difference. First operand 2666 states and 5173 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:39,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:39,700 INFO L93 Difference]: Finished difference Result 5795 states and 11184 transitions. [2021-10-19 14:34:39,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2021-10-19 14:34:39,700 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:34:39,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:39,705 INFO L225 Difference]: With dead ends: 5795 [2021-10-19 14:34:39,705 INFO L226 Difference]: Without dead ends: 5795 [2021-10-19 14:34:39,706 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2753 ImplicationChecksByTransitivity, 1306.0ms TimeCoverageRelationStatistics Valid=1472, Invalid=7458, Unknown=0, NotChecked=0, Total=8930 [2021-10-19 14:34:39,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5795 states. [2021-10-19 14:34:39,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5795 to 2648. [2021-10-19 14:34:39,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2648 states, 2639 states have (on average 1.9465706707086017) internal successors, (5137), 2647 states have internal predecessors, (5137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:39,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2648 states to 2648 states and 5137 transitions. [2021-10-19 14:34:39,751 INFO L78 Accepts]: Start accepts. Automaton has 2648 states and 5137 transitions. Word has length 131 [2021-10-19 14:34:39,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:39,751 INFO L470 AbstractCegarLoop]: Abstraction has 2648 states and 5137 transitions. [2021-10-19 14:34:39,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:39,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2648 states and 5137 transitions. [2021-10-19 14:34:39,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-19 14:34:39,752 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:39,752 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:34:39,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable253 [2021-10-19 14:34:39,752 INFO L402 AbstractCegarLoop]: === Iteration 255 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:39,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:39,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1331646155, now seen corresponding path program 29 times [2021-10-19 14:34:39,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:39,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699510240] [2021-10-19 14:34:39,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:39,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:39,935 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 14:34:39,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:39,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699510240] [2021-10-19 14:34:39,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699510240] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:39,936 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:39,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:34:39,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709311892] [2021-10-19 14:34:39,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:34:39,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:39,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:34:39,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:34:39,936 INFO L87 Difference]: Start difference. First operand 2648 states and 5137 transitions. Second operand has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:41,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:41,912 INFO L93 Difference]: Finished difference Result 4165 states and 8019 transitions. [2021-10-19 14:34:41,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-19 14:34:41,912 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-19 14:34:41,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:41,916 INFO L225 Difference]: With dead ends: 4165 [2021-10-19 14:34:41,916 INFO L226 Difference]: Without dead ends: 4165 [2021-10-19 14:34:41,916 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1755 ImplicationChecksByTransitivity, 933.1ms TimeCoverageRelationStatistics Valid=942, Invalid=4910, Unknown=0, NotChecked=0, Total=5852 [2021-10-19 14:34:41,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4165 states. [2021-10-19 14:34:41,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4165 to 2428. [2021-10-19 14:34:41,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2428 states, 2420 states have (on average 1.9429752066115702) internal successors, (4702), 2427 states have internal predecessors, (4702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:41,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2428 states to 2428 states and 4702 transitions. [2021-10-19 14:34:41,938 INFO L78 Accepts]: Start accepts. Automaton has 2428 states and 4702 transitions. Word has length 131 [2021-10-19 14:34:41,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:41,939 INFO L470 AbstractCegarLoop]: Abstraction has 2428 states and 4702 transitions. [2021-10-19 14:34:41,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.894736842105263) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:41,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2428 states and 4702 transitions. [2021-10-19 14:34:41,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-10-19 14:34:41,940 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:41,940 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:34:41,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable254 [2021-10-19 14:34:41,940 INFO L402 AbstractCegarLoop]: === Iteration 256 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:41,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:41,940 INFO L82 PathProgramCache]: Analyzing trace with hash -364926587, now seen corresponding path program 1 times [2021-10-19 14:34:41,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:41,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592305019] [2021-10-19 14:34:41,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:41,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:41,990 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 14:34:41,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:41,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592305019] [2021-10-19 14:34:41,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592305019] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:41,990 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:41,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:34:41,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097483605] [2021-10-19 14:34:41,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:34:41,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:41,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:34:41,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:34:41,994 INFO L87 Difference]: Start difference. First operand 2428 states and 4702 transitions. Second operand has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:42,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:42,181 INFO L93 Difference]: Finished difference Result 2656 states and 5152 transitions. [2021-10-19 14:34:42,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:34:42,182 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2021-10-19 14:34:42,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:42,186 INFO L225 Difference]: With dead ends: 2656 [2021-10-19 14:34:42,186 INFO L226 Difference]: Without dead ends: 2656 [2021-10-19 14:34:42,186 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.8ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:34:42,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2656 states. [2021-10-19 14:34:42,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2656 to 2531. [2021-10-19 14:34:42,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2531 states, 2523 states have (on average 1.944114149821641) internal successors, (4905), 2530 states have internal predecessors, (4905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:42,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2531 states to 2531 states and 4905 transitions. [2021-10-19 14:34:42,205 INFO L78 Accepts]: Start accepts. Automaton has 2531 states and 4905 transitions. Word has length 136 [2021-10-19 14:34:42,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:42,206 INFO L470 AbstractCegarLoop]: Abstraction has 2531 states and 4905 transitions. [2021-10-19 14:34:42,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:42,206 INFO L276 IsEmpty]: Start isEmpty. Operand 2531 states and 4905 transitions. [2021-10-19 14:34:42,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-10-19 14:34:42,207 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:42,207 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:34:42,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable255 [2021-10-19 14:34:42,208 INFO L402 AbstractCegarLoop]: === Iteration 257 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:42,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:42,208 INFO L82 PathProgramCache]: Analyzing trace with hash 621284985, now seen corresponding path program 1 times [2021-10-19 14:34:42,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:42,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770024256] [2021-10-19 14:34:42,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:42,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-19 14:34:42,235 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-19 14:34:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-19 14:34:42,296 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-19 14:34:42,296 INFO L631 BasicCegarLoop]: Counterexample is feasible [2021-10-19 14:34:42,298 WARN L676 BasicCegarLoop]: Found a data race, but unable to determine exactly which statements and variables are involved. [2021-10-19 14:34:42,299 WARN L679 BasicCegarLoop]: C: p = A->next [1246] might race with any of C: A->next = p [1232], or C: p -> next = ((void *)0) [1222], or C: p -> next = ((void *)0) [1222], or C: p -> next = ((void *)0) [1222], or C: p -> next = ((void *)0) [1222], or C: p -> datum = x [1221], or C: p -> datum = x [1221], or C: p -> datum = x [1221], or C: p -> datum = x [1221], or C: A->next = p [1243], or C: A->next = p [1243], or C: A->next = p [1243], or C: A->next = p [1243] [2021-10-19 14:34:42,300 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:42,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:42,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:42,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:42,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:42,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:42,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:42,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:42,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:42,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:42,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:42,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-19 14:34:42,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:42,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:42,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:42,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:42,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:42,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:42,302 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:42,302 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:42,302 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:42,302 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:42,302 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:42,302 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:42,302 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:42,302 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:42,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable256 [2021-10-19 14:34:42,307 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-19 14:34:42,307 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-19 14:34:42,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 02:34:42 BasicIcfg [2021-10-19 14:34:42,359 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-19 14:34:42,360 INFO L168 Benchmark]: Toolchain (without parser) took 618270.16 ms. Allocated memory was 203.4 MB in the beginning and 417.3 MB in the end (delta: 213.9 MB). Free memory was 150.2 MB in the beginning and 229.6 MB in the end (delta: -79.4 MB). Peak memory consumption was 135.9 MB. Max. memory is 8.0 GB. [2021-10-19 14:34:42,360 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 203.4 MB. Free memory is still 169.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-19 14:34:42,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 440.44 ms. Allocated memory is still 203.4 MB. Free memory was 149.9 MB in the beginning and 153.3 MB in the end (delta: -3.4 MB). Peak memory consumption was 12.3 MB. Max. memory is 8.0 GB. [2021-10-19 14:34:42,360 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.55 ms. Allocated memory is still 203.4 MB. Free memory was 153.3 MB in the beginning and 149.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:34:42,361 INFO L168 Benchmark]: Boogie Preprocessor took 35.07 ms. Allocated memory is still 203.4 MB. Free memory was 149.7 MB in the beginning and 147.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:34:42,361 INFO L168 Benchmark]: RCFGBuilder took 544.75 ms. Allocated memory is still 203.4 MB. Free memory was 147.1 MB in the beginning and 126.1 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-10-19 14:34:42,361 INFO L168 Benchmark]: TraceAbstraction took 617178.14 ms. Allocated memory was 203.4 MB in the beginning and 417.3 MB in the end (delta: 213.9 MB). Free memory was 125.6 MB in the beginning and 229.6 MB in the end (delta: -104.0 MB). Peak memory consumption was 112.0 MB. Max. memory is 8.0 GB. [2021-10-19 14:34:42,362 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 203.4 MB. Free memory is still 169.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 440.44 ms. Allocated memory is still 203.4 MB. Free memory was 149.9 MB in the beginning and 153.3 MB in the end (delta: -3.4 MB). Peak memory consumption was 12.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 67.55 ms. Allocated memory is still 203.4 MB. Free memory was 153.3 MB in the beginning and 149.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 35.07 ms. Allocated memory is still 203.4 MB. Free memory was 149.7 MB in the beginning and 147.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 544.75 ms. Allocated memory is still 203.4 MB. Free memory was 147.1 MB in the beginning and 126.1 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 617178.14 ms. Allocated memory was 203.4 MB in the beginning and 417.3 MB in the end (delta: 213.9 MB). Free memory was 125.6 MB in the beginning and 229.6 MB in the end (delta: -104.0 MB). Peak memory consumption was 112.0 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 - CounterExampleResult [Line: 1246]: the program contains a data race the program contains a data race We found a FailurePath: [L1216-L1219] 0 struct s { int datum; struct s *next; } *A; VAL [A={0:0}] [L1224] 0 pthread_mutex_t A_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [A={0:0}, A_mutex={14:0}] [L1225] 0 pthread_mutex_t B_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [A={0:0}, A_mutex={14:0}, B_mutex={15:0}] [L1238] 0 pthread_t t1; VAL [A={0:0}, A_mutex={14:0}, B_mutex={15:0}] [L1239] 0 struct s *p = malloc(sizeof(struct s)); VAL [A={0:0}, A_mutex={14:0}, B_mutex={15:0}] [L1221] 0 p -> datum = x VAL [A={0:0}, A_mutex={14:0}, B_mutex={15:0}] [L1222] 0 p -> next = ((void *)0) VAL [A={0:0}, A_mutex={14:0}, B_mutex={15:0}] [L1241] 0 A = malloc(sizeof(struct s)) VAL [A={-3:0}, A_mutex={14:0}, B_mutex={15:0}] [L1242] 0 init(A,3) VAL [A={-3:0}, A_mutex={14:0}, B_mutex={15:0}] [L1221] 0 p -> datum = x VAL [A={-3:0}, A_mutex={14:0}, B_mutex={15:0}] [L1222] 0 p -> next = ((void *)0) VAL [A={-3:0}, A_mutex={14:0}, B_mutex={15:0}] [L1243] EXPR 0 A->next VAL [A={-3:0}, A_mutex={14:0}, B_mutex={15:0}] [L1243] 0 A->next = p VAL [A={-3:0}, A_mutex={14:0}, B_mutex={15:0}] [L1244] FCALL, FORK 0 pthread_create(&t1, ((void *)0), t_fun, ((void *)0)) VAL [A={-3:0}, A_mutex={14:0}, B_mutex={15:0}] [L1227] 1 struct s *p = malloc(sizeof(struct s)); VAL [A={-3:0}, A_mutex={14:0}, B_mutex={15:0}] [L1246] EXPR 0 A->next VAL [A={-3:0}, A_mutex={14:0}, B_mutex={15:0}] [L1228] 1 struct s *t; VAL [A={-3:0}, A_mutex={14:0}, B_mutex={15:0}] [L1246] EXPR 0 A->next VAL [A={-3:0}, A_mutex={14:0}, B_mutex={15:0}] [L1246] 0 p = A->next VAL [A={-3:0}, A_mutex={14:0}, B_mutex={15:0}] [L1221] 1 p -> datum = x VAL [A={-3:0}, A_mutex={14:0}, B_mutex={15:0}] [L1222] 1 p -> next = ((void *)0) VAL [A={-3:0}, A_mutex={14:0}, B_mutex={15:0}] [L1231] EXPR 1 A->next VAL [A={-3:0}, A_mutex={14:0}, B_mutex={15:0}] [L1231] 1 t = A->next VAL [A={-3:0}, A_mutex={14:0}, B_mutex={15:0}] [L1232] EXPR 1 A->next VAL [A={-3:0}, A_mutex={14:0}, B_mutex={15:0}] [L1232] 1 A->next = p VAL [A={-3:0}, A_mutex={14:0}, B_mutex={15:0}] [L1246] 0 p = A->next VAL [A={-3:0}, A_mutex={14:0}, B_mutex={15:0}] - UnprovableResult [Line: 1221]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1222]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1241]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1242]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1221]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1222]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1243]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1243]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1246]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1247]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1244]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1221]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1222]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1231]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1231]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1232]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1232]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1233]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 263 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 616977.8ms, OverallIterations: 257, TraceHistogramMax: 1, EmptinessCheckTime: 287.8ms, AutomataDifference: 546032.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 70.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 76720 SDtfs, 339129 SDslu, 786641 SDs, 0 SdLazy, 749531 SolverSat, 56587 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 267039.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16731 GetRequests, 286 SyntacticMatches, 128 SemanticMatches, 16317 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322901 ImplicationChecksByTransitivity, 232971.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=3171occurred in iteration=104, InterpolantAutomatonStates: 13786, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 7867.6ms AutomataMinimizationTime, 256 MinimizatonAttempts, 539716 StatesRemovedByMinimization, 251 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 498.6ms SsaConstructionTime, 1931.8ms SatisfiabilityAnalysisTime, 58782.4ms InterpolantComputationTime, 31425 NumberOfCodeBlocks, 31425 NumberOfCodeBlocksAsserted, 257 NumberOfCheckSat, 31025 ConstructedInterpolants, 0 QuantifiedInterpolants, 340905 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 256 InterpolantComputations, 256 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-19 14:34:42,392 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...