/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/06-symbeq_15-list_entry_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-aed12abd52951161f3584c1e4a16827ff4d06934-aed12ab [2021-10-14 11:55:11,085 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-14 11:55:11,192 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 [2021-10-14 11:55:11,221 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-14 11:55:11,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-14 11:55:11,222 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-14 11:55:11,222 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-14 11:55:11,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-14 11:55:11,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-14 11:55:11,226 INFO L138 SettingsManager]: * Use SBE=true [2021-10-14 11:55:11,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-14 11:55:11,226 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-14 11:55:11,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-14 11:55:11,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-14 11:55:11,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-14 11:55:11,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-14 11:55:11,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-14 11:55:11,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-14 11:55:11,228 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-14 11:55:11,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-14 11:55:11,228 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-14 11:55:11,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-14 11:55:11,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-14 11:55:11,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-14 11:55:11,228 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-14 11:55:11,229 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-14 11:55:11,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-14 11:55:11,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-14 11:55:11,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-14 11:55:11,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-14 11:55:11,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-14 11:55:11,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-14 11:55:11,230 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-14 11:55:11,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-14 11:55:11,230 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-14 11:55:11,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-14 11:55:11,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-14 11:55:11,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-14 11:55:11,509 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-14 11:55:11,512 INFO L275 PluginConnector]: CDTParser initialized [2021-10-14 11:55:11,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_15-list_entry_nr.i [2021-10-14 11:55:11,578 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b871e48e9/c9106b3074464ddaa86c73e63cc90465/FLAG1c0914e5d [2021-10-14 11:55:12,119 INFO L306 CDTParser]: Found 1 translation units. [2021-10-14 11:55:12,119 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_15-list_entry_nr.i [2021-10-14 11:55:12,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b871e48e9/c9106b3074464ddaa86c73e63cc90465/FLAG1c0914e5d [2021-10-14 11:55:12,603 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b871e48e9/c9106b3074464ddaa86c73e63cc90465 [2021-10-14 11:55:12,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-14 11:55:12,608 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-14 11:55:12,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-14 11:55:12,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-14 11:55:12,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-14 11:55:12,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:55:12" (1/1) ... [2021-10-14 11:55:12,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c78aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:12, skipping insertion in model container [2021-10-14 11:55:12,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:55:12" (1/1) ... [2021-10-14 11:55:12,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-14 11:55:12,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-14 11:55:13,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-14 11:55:13,167 INFO L203 MainTranslator]: Completed pre-run [2021-10-14 11:55:13,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-14 11:55:13,289 INFO L208 MainTranslator]: Completed translation [2021-10-14 11:55:13,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:13 WrapperNode [2021-10-14 11:55:13,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-14 11:55:13,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-14 11:55:13,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-14 11:55:13,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-14 11:55:13,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:13" (1/1) ... [2021-10-14 11:55:13,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:13" (1/1) ... [2021-10-14 11:55:13,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-14 11:55:13,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-14 11:55:13,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-14 11:55:13,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-14 11:55:13,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:13" (1/1) ... [2021-10-14 11:55:13,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:13" (1/1) ... [2021-10-14 11:55:13,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:13" (1/1) ... [2021-10-14 11:55:13,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:13" (1/1) ... [2021-10-14 11:55:13,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:13" (1/1) ... [2021-10-14 11:55:13,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:13" (1/1) ... [2021-10-14 11:55:13,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:13" (1/1) ... [2021-10-14 11:55:13,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-14 11:55:13,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-14 11:55:13,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-14 11:55:13,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-14 11:55:13,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:13" (1/1) ... [2021-10-14 11:55:13,431 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-14 11:55:13,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-14 11:55:13,461 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) [2021-10-14 11:55:13,476 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 [2021-10-14 11:55:13,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-14 11:55:13,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-14 11:55:13,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-14 11:55:13,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-14 11:55:13,496 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-14 11:55:13,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-14 11:55:13,496 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-14 11:55:13,496 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-14 11:55:13,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-14 11:55:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-14 11:55:13,498 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-14 11:55:13,822 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-14 11:55:13,822 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-14 11:55:13,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:55:13 BoogieIcfgContainer [2021-10-14 11:55:13,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-14 11:55:13,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-14 11:55:13,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-14 11:55:13,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-14 11:55:13,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:55:12" (1/3) ... [2021-10-14 11:55:13,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64972825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:55:13, skipping insertion in model container [2021-10-14 11:55:13,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:55:13" (2/3) ... [2021-10-14 11:55:13,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64972825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:55:13, skipping insertion in model container [2021-10-14 11:55:13,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:55:13" (3/3) ... [2021-10-14 11:55:13,833 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_15-list_entry_nr.i [2021-10-14 11:55:13,838 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-14 11:55:13,838 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-14 11:55:13,838 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-14 11:55:13,838 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-14 11:55:13,865 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,866 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,866 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,866 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,866 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,866 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,866 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,867 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,867 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,867 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,867 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,867 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,867 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,867 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,868 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,868 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,868 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,868 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,868 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,868 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,869 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,869 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,869 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,869 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,870 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,870 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,870 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,871 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,871 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,871 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,871 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,871 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,871 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,871 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,872 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,872 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,872 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,872 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,872 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,872 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,872 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,873 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,873 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,873 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,874 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,874 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,874 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,874 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,875 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,875 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,875 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,875 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,876 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,876 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,876 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,876 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,876 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,876 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,877 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,877 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,877 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,877 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,878 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,878 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,879 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,879 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,879 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,879 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,880 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,880 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,880 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,880 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,881 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,881 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,883 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,883 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,884 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,884 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,884 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,884 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,885 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,885 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,885 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,885 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,886 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,886 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,886 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,887 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,887 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,887 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,889 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,889 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,890 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,890 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,890 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,890 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,893 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,893 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,894 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,894 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,899 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,900 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,900 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,900 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,900 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,900 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,901 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,901 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,902 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,902 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 11:55:13,910 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-14 11:55:13,950 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-14 11:55:13,955 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 [2021-10-14 11:55:13,955 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-14 11:55:13,973 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 109 places, 105 transitions, 215 flow [2021-10-14 11:55:14,041 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1149 states, 1144 states have (on average 1.916083916083916) internal successors, (2192), 1148 states have internal predecessors, (2192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:14,046 INFO L276 IsEmpty]: Start isEmpty. Operand has 1149 states, 1144 states have (on average 1.916083916083916) internal successors, (2192), 1148 states have internal predecessors, (2192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:14,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-14 11:55:14,052 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:14,052 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:14,053 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:14,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:14,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1316729800, now seen corresponding path program 1 times [2021-10-14 11:55:14,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:14,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210690686] [2021-10-14 11:55:14,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:14,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:14,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:14,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:14,223 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210690686] [2021-10-14 11:55:14,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210690686] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:14,223 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:14,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-14 11:55:14,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880267491] [2021-10-14 11:55:14,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-14 11:55:14,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:14,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-14 11:55:14,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-14 11:55:14,245 INFO L87 Difference]: Start difference. First operand has 1149 states, 1144 states have (on average 1.916083916083916) internal successors, (2192), 1148 states have internal predecessors, (2192), 0 states have call successors, (0), 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 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:14,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:14,325 INFO L93 Difference]: Finished difference Result 1148 states and 2191 transitions. [2021-10-14 11:55:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-14 11:55:14,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-14 11:55:14,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:14,349 INFO L225 Difference]: With dead ends: 1148 [2021-10-14 11:55:14,350 INFO L226 Difference]: Without dead ends: 1148 [2021-10-14 11:55:14,351 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-14 11:55:14,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2021-10-14 11:55:14,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 1148. [2021-10-14 11:55:14,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1148 states, 1144 states have (on average 1.9152097902097902) internal successors, (2191), 1147 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:14,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 2191 transitions. [2021-10-14 11:55:14,448 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 2191 transitions. Word has length 12 [2021-10-14 11:55:14,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:14,448 INFO L470 AbstractCegarLoop]: Abstraction has 1148 states and 2191 transitions. [2021-10-14 11:55:14,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:14,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 2191 transitions. [2021-10-14 11:55:14,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-14 11:55:14,449 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:14,450 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:14,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-14 11:55:14,450 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:14,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:14,451 INFO L82 PathProgramCache]: Analyzing trace with hash 406724802, now seen corresponding path program 1 times [2021-10-14 11:55:14,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:14,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110419567] [2021-10-14 11:55:14,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:14,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:14,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:14,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:14,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110419567] [2021-10-14 11:55:14,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110419567] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:14,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:14,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-14 11:55:14,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216560768] [2021-10-14 11:55:14,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-14 11:55:14,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:14,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-14 11:55:14,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-14 11:55:14,674 INFO L87 Difference]: Start difference. First operand 1148 states and 2191 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:14,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:14,775 INFO L93 Difference]: Finished difference Result 1147 states and 2190 transitions. [2021-10-14 11:55:14,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-14 11:55:14,775 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-14 11:55:14,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:14,783 INFO L225 Difference]: With dead ends: 1147 [2021-10-14 11:55:14,783 INFO L226 Difference]: Without dead ends: 1147 [2021-10-14 11:55:14,784 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 52.0ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-14 11:55:14,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2021-10-14 11:55:14,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 1147. [2021-10-14 11:55:14,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1147 states, 1144 states have (on average 1.9143356643356644) internal successors, (2190), 1146 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:14,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 2190 transitions. [2021-10-14 11:55:14,814 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 2190 transitions. Word has length 27 [2021-10-14 11:55:14,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:14,814 INFO L470 AbstractCegarLoop]: Abstraction has 1147 states and 2190 transitions. [2021-10-14 11:55:14,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:14,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 2190 transitions. [2021-10-14 11:55:14,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-14 11:55:14,823 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:14,823 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:14,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-14 11:55:14,823 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:14,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:14,825 INFO L82 PathProgramCache]: Analyzing trace with hash 718469899, now seen corresponding path program 1 times [2021-10-14 11:55:14,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:14,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177910271] [2021-10-14 11:55:14,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:14,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:14,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:14,983 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:14,983 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177910271] [2021-10-14 11:55:14,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177910271] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:14,984 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:14,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-14 11:55:14,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372195521] [2021-10-14 11:55:14,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-14 11:55:14,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:14,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-14 11:55:14,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-14 11:55:14,990 INFO L87 Difference]: Start difference. First operand 1147 states and 2190 transitions. Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:15,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:15,216 INFO L93 Difference]: Finished difference Result 1278 states and 2432 transitions. [2021-10-14 11:55:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-14 11:55:15,217 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-14 11:55:15,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:15,222 INFO L225 Difference]: With dead ends: 1278 [2021-10-14 11:55:15,222 INFO L226 Difference]: Without dead ends: 1002 [2021-10-14 11:55:15,223 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.5ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-14 11:55:15,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2021-10-14 11:55:15,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 954. [2021-10-14 11:55:15,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 951 states have (on average 1.8927444794952681) internal successors, (1800), 953 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:15,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1800 transitions. [2021-10-14 11:55:15,252 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1800 transitions. Word has length 57 [2021-10-14 11:55:15,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:15,253 INFO L470 AbstractCegarLoop]: Abstraction has 954 states and 1800 transitions. [2021-10-14 11:55:15,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:15,253 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1800 transitions. [2021-10-14 11:55:15,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-14 11:55:15,258 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:15,259 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:15,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-14 11:55:15,259 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:15,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:15,261 INFO L82 PathProgramCache]: Analyzing trace with hash -923405288, now seen corresponding path program 1 times [2021-10-14 11:55:15,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:15,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690574842] [2021-10-14 11:55:15,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:15,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:15,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:15,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:15,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690574842] [2021-10-14 11:55:15,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690574842] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:15,394 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:15,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-14 11:55:15,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788292961] [2021-10-14 11:55:15,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-14 11:55:15,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:15,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-14 11:55:15,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-14 11:55:15,395 INFO L87 Difference]: Start difference. First operand 954 states and 1800 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:15,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:15,531 INFO L93 Difference]: Finished difference Result 1041 states and 1950 transitions. [2021-10-14 11:55:15,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-14 11:55:15,531 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-14 11:55:15,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:15,536 INFO L225 Difference]: With dead ends: 1041 [2021-10-14 11:55:15,537 INFO L226 Difference]: Without dead ends: 825 [2021-10-14 11:55:15,537 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.3ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-14 11:55:15,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2021-10-14 11:55:15,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 809. [2021-10-14 11:55:15,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 806 states have (on average 1.8511166253101736) internal successors, (1492), 808 states have internal predecessors, (1492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:15,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1492 transitions. [2021-10-14 11:55:15,575 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1492 transitions. Word has length 58 [2021-10-14 11:55:15,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:15,577 INFO L470 AbstractCegarLoop]: Abstraction has 809 states and 1492 transitions. [2021-10-14 11:55:15,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:15,577 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1492 transitions. [2021-10-14 11:55:15,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:15,579 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:15,579 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:15,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-14 11:55:15,580 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:15,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:15,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1712721820, now seen corresponding path program 1 times [2021-10-14 11:55:15,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:15,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367640546] [2021-10-14 11:55:15,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:15,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:16,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:16,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:16,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367640546] [2021-10-14 11:55:16,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367640546] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:16,015 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:16,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:16,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136735307] [2021-10-14 11:55:16,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:16,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:16,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:16,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:16,017 INFO L87 Difference]: Start difference. First operand 809 states and 1492 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:16,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:16,654 INFO L93 Difference]: Finished difference Result 869 states and 1593 transitions. [2021-10-14 11:55:16,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:16,655 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:16,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:16,658 INFO L225 Difference]: With dead ends: 869 [2021-10-14 11:55:16,658 INFO L226 Difference]: Without dead ends: 734 [2021-10-14 11:55:16,659 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 421.3ms TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:16,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2021-10-14 11:55:16,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 734. [2021-10-14 11:55:16,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 731 states have (on average 1.8358413132694937) internal successors, (1342), 733 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:16,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1342 transitions. [2021-10-14 11:55:16,678 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1342 transitions. Word has length 70 [2021-10-14 11:55:16,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:16,680 INFO L470 AbstractCegarLoop]: Abstraction has 734 states and 1342 transitions. [2021-10-14 11:55:16,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:16,680 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1342 transitions. [2021-10-14 11:55:16,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:16,682 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:16,683 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:16,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-14 11:55:16,684 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:16,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:16,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1447017228, now seen corresponding path program 2 times [2021-10-14 11:55:16,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:16,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863868765] [2021-10-14 11:55:16,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:16,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:17,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:17,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:17,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863868765] [2021-10-14 11:55:17,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863868765] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:17,116 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:17,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:17,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958015091] [2021-10-14 11:55:17,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:17,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:17,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:17,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:17,118 INFO L87 Difference]: Start difference. First operand 734 states and 1342 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:17,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:17,760 INFO L93 Difference]: Finished difference Result 1276 states and 2315 transitions. [2021-10-14 11:55:17,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:17,760 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:17,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:17,766 INFO L225 Difference]: With dead ends: 1276 [2021-10-14 11:55:17,766 INFO L226 Difference]: Without dead ends: 1245 [2021-10-14 11:55:17,766 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 394.9ms TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:17,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2021-10-14 11:55:17,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 737. [2021-10-14 11:55:17,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 734 states have (on average 1.835149863760218) internal successors, (1347), 736 states have internal predecessors, (1347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:17,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1347 transitions. [2021-10-14 11:55:17,787 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1347 transitions. Word has length 70 [2021-10-14 11:55:17,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:17,788 INFO L470 AbstractCegarLoop]: Abstraction has 737 states and 1347 transitions. [2021-10-14 11:55:17,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:17,788 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1347 transitions. [2021-10-14 11:55:17,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:17,789 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:17,790 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:17,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-14 11:55:17,790 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:17,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:17,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1048496338, now seen corresponding path program 3 times [2021-10-14 11:55:17,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:17,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510921871] [2021-10-14 11:55:17,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:17,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:18,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:18,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:18,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510921871] [2021-10-14 11:55:18,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510921871] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:18,175 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:18,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:18,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140300331] [2021-10-14 11:55:18,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:18,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:18,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:18,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:18,176 INFO L87 Difference]: Start difference. First operand 737 states and 1347 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:18,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:18,763 INFO L93 Difference]: Finished difference Result 1275 states and 2327 transitions. [2021-10-14 11:55:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:18,763 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:18,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:18,768 INFO L225 Difference]: With dead ends: 1275 [2021-10-14 11:55:18,769 INFO L226 Difference]: Without dead ends: 1244 [2021-10-14 11:55:18,769 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 384.9ms TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:18,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2021-10-14 11:55:18,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 736. [2021-10-14 11:55:18,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 733 states have (on average 1.834924965893588) internal successors, (1345), 735 states have internal predecessors, (1345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:18,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 1345 transitions. [2021-10-14 11:55:18,791 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 1345 transitions. Word has length 70 [2021-10-14 11:55:18,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:18,792 INFO L470 AbstractCegarLoop]: Abstraction has 736 states and 1345 transitions. [2021-10-14 11:55:18,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:18,792 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1345 transitions. [2021-10-14 11:55:18,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:18,793 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:18,793 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:18,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-14 11:55:18,794 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:18,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:18,794 INFO L82 PathProgramCache]: Analyzing trace with hash -582355712, now seen corresponding path program 4 times [2021-10-14 11:55:18,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:18,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455121436] [2021-10-14 11:55:18,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:18,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:19,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:19,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:19,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455121436] [2021-10-14 11:55:19,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455121436] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:19,100 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:19,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:19,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827494408] [2021-10-14 11:55:19,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:19,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:19,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:19,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:19,102 INFO L87 Difference]: Start difference. First operand 736 states and 1345 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:19,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:19,693 INFO L93 Difference]: Finished difference Result 796 states and 1446 transitions. [2021-10-14 11:55:19,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:19,693 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:19,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:19,697 INFO L225 Difference]: With dead ends: 796 [2021-10-14 11:55:19,697 INFO L226 Difference]: Without dead ends: 729 [2021-10-14 11:55:19,697 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 397.8ms TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:19,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2021-10-14 11:55:19,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 729. [2021-10-14 11:55:19,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 729 states, 726 states have (on average 1.834710743801653) internal successors, (1332), 728 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:19,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1332 transitions. [2021-10-14 11:55:19,713 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1332 transitions. Word has length 70 [2021-10-14 11:55:19,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:19,713 INFO L470 AbstractCegarLoop]: Abstraction has 729 states and 1332 transitions. [2021-10-14 11:55:19,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:19,714 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1332 transitions. [2021-10-14 11:55:19,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:19,715 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:19,715 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:19,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-14 11:55:19,716 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:19,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:19,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1207036380, now seen corresponding path program 5 times [2021-10-14 11:55:19,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:19,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665380810] [2021-10-14 11:55:19,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:19,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:19,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:19,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:19,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665380810] [2021-10-14 11:55:19,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665380810] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:19,982 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:19,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:19,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147577778] [2021-10-14 11:55:19,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:19,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:19,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:19,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:19,983 INFO L87 Difference]: Start difference. First operand 729 states and 1332 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:20,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:20,527 INFO L93 Difference]: Finished difference Result 1290 states and 2357 transitions. [2021-10-14 11:55:20,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:20,528 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:20,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:20,533 INFO L225 Difference]: With dead ends: 1290 [2021-10-14 11:55:20,533 INFO L226 Difference]: Without dead ends: 1260 [2021-10-14 11:55:20,534 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 354.4ms TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:20,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2021-10-14 11:55:20,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 733. [2021-10-14 11:55:20,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 730 states have (on average 1.8342465753424657) internal successors, (1339), 732 states have internal predecessors, (1339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:20,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1339 transitions. [2021-10-14 11:55:20,553 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1339 transitions. Word has length 70 [2021-10-14 11:55:20,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:20,554 INFO L470 AbstractCegarLoop]: Abstraction has 733 states and 1339 transitions. [2021-10-14 11:55:20,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:20,554 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1339 transitions. [2021-10-14 11:55:20,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:20,555 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:20,556 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:20,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-14 11:55:20,556 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:20,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:20,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1199947366, now seen corresponding path program 6 times [2021-10-14 11:55:20,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:20,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037053440] [2021-10-14 11:55:20,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:20,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:20,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:20,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:20,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037053440] [2021-10-14 11:55:20,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037053440] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:20,827 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:20,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:20,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625684972] [2021-10-14 11:55:20,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:20,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:20,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:20,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:20,829 INFO L87 Difference]: Start difference. First operand 733 states and 1339 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:21,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:21,627 INFO L93 Difference]: Finished difference Result 1291 states and 2343 transitions. [2021-10-14 11:55:21,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:21,628 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:21,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:21,633 INFO L225 Difference]: With dead ends: 1291 [2021-10-14 11:55:21,633 INFO L226 Difference]: Without dead ends: 1259 [2021-10-14 11:55:21,633 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 404.4ms TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:21,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1259 states. [2021-10-14 11:55:21,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1259 to 732. [2021-10-14 11:55:21,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 729 states have (on average 1.8340192043895747) internal successors, (1337), 731 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:21,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1337 transitions. [2021-10-14 11:55:21,652 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1337 transitions. Word has length 70 [2021-10-14 11:55:21,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:21,652 INFO L470 AbstractCegarLoop]: Abstraction has 732 states and 1337 transitions. [2021-10-14 11:55:21,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:21,652 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1337 transitions. [2021-10-14 11:55:21,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:21,654 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:21,654 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:21,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-14 11:55:21,654 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:21,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:21,655 INFO L82 PathProgramCache]: Analyzing trace with hash 2003008130, now seen corresponding path program 7 times [2021-10-14 11:55:21,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:21,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816069598] [2021-10-14 11:55:21,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:21,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:21,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:21,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:21,919 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816069598] [2021-10-14 11:55:21,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816069598] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:21,919 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:21,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:21,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787068867] [2021-10-14 11:55:21,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:21,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:21,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:21,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:21,922 INFO L87 Difference]: Start difference. First operand 732 states and 1337 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:22,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:22,505 INFO L93 Difference]: Finished difference Result 1769 states and 3222 transitions. [2021-10-14 11:55:22,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:22,505 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:22,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:22,512 INFO L225 Difference]: With dead ends: 1769 [2021-10-14 11:55:22,512 INFO L226 Difference]: Without dead ends: 1738 [2021-10-14 11:55:22,512 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 370.6ms TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:22,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2021-10-14 11:55:22,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 733. [2021-10-14 11:55:22,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 730 states have (on average 1.832876712328767) internal successors, (1338), 732 states have internal predecessors, (1338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:22,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1338 transitions. [2021-10-14 11:55:22,532 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1338 transitions. Word has length 70 [2021-10-14 11:55:22,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:22,533 INFO L470 AbstractCegarLoop]: Abstraction has 733 states and 1338 transitions. [2021-10-14 11:55:22,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:22,533 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1338 transitions. [2021-10-14 11:55:22,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:22,534 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:22,534 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:22,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-14 11:55:22,535 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:22,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:22,535 INFO L82 PathProgramCache]: Analyzing trace with hash -492505436, now seen corresponding path program 8 times [2021-10-14 11:55:22,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:22,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044892932] [2021-10-14 11:55:22,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:22,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:22,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:22,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:22,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044892932] [2021-10-14 11:55:22,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044892932] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:22,784 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:22,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:22,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059923737] [2021-10-14 11:55:22,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:22,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:22,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:22,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:22,786 INFO L87 Difference]: Start difference. First operand 733 states and 1338 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:23,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:23,343 INFO L93 Difference]: Finished difference Result 1290 states and 2355 transitions. [2021-10-14 11:55:23,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:23,344 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:23,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:23,348 INFO L225 Difference]: With dead ends: 1290 [2021-10-14 11:55:23,348 INFO L226 Difference]: Without dead ends: 1258 [2021-10-14 11:55:23,348 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 401.7ms TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:23,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1258 states. [2021-10-14 11:55:23,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1258 to 731. [2021-10-14 11:55:23,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 731 states, 728 states have (on average 1.8337912087912087) internal successors, (1335), 730 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:23,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 1335 transitions. [2021-10-14 11:55:23,369 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 1335 transitions. Word has length 70 [2021-10-14 11:55:23,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:23,369 INFO L470 AbstractCegarLoop]: Abstraction has 731 states and 1335 transitions. [2021-10-14 11:55:23,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:23,369 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1335 transitions. [2021-10-14 11:55:23,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:23,370 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:23,371 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:23,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-14 11:55:23,371 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:23,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:23,371 INFO L82 PathProgramCache]: Analyzing trace with hash 585269586, now seen corresponding path program 9 times [2021-10-14 11:55:23,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:23,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865187498] [2021-10-14 11:55:23,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:23,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:23,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:23,645 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:23,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865187498] [2021-10-14 11:55:23,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865187498] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:23,646 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:23,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:23,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124230389] [2021-10-14 11:55:23,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:23,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:23,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:23,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:23,647 INFO L87 Difference]: Start difference. First operand 731 states and 1335 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:24,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:24,215 INFO L93 Difference]: Finished difference Result 1273 states and 2308 transitions. [2021-10-14 11:55:24,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:24,216 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:24,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:24,220 INFO L225 Difference]: With dead ends: 1273 [2021-10-14 11:55:24,220 INFO L226 Difference]: Without dead ends: 1242 [2021-10-14 11:55:24,221 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 402.1ms TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:24,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2021-10-14 11:55:24,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 734. [2021-10-14 11:55:24,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 731 states have (on average 1.8331053351573188) internal successors, (1340), 733 states have internal predecessors, (1340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:24,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1340 transitions. [2021-10-14 11:55:24,238 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1340 transitions. Word has length 70 [2021-10-14 11:55:24,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:24,238 INFO L470 AbstractCegarLoop]: Abstraction has 734 states and 1340 transitions. [2021-10-14 11:55:24,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:24,239 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1340 transitions. [2021-10-14 11:55:24,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:24,240 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:24,240 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:24,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-14 11:55:24,240 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:24,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:24,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1910243980, now seen corresponding path program 10 times [2021-10-14 11:55:24,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:24,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729965255] [2021-10-14 11:55:24,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:24,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:24,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:24,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:24,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729965255] [2021-10-14 11:55:24,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729965255] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:24,518 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:24,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:24,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032903577] [2021-10-14 11:55:24,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:24,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:24,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:24,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:24,519 INFO L87 Difference]: Start difference. First operand 734 states and 1340 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:25,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:25,049 INFO L93 Difference]: Finished difference Result 1272 states and 2320 transitions. [2021-10-14 11:55:25,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:25,050 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:25,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:25,065 INFO L225 Difference]: With dead ends: 1272 [2021-10-14 11:55:25,066 INFO L226 Difference]: Without dead ends: 1241 [2021-10-14 11:55:25,067 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 381.5ms TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:25,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2021-10-14 11:55:25,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 733. [2021-10-14 11:55:25,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 730 states have (on average 1.832876712328767) internal successors, (1338), 732 states have internal predecessors, (1338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:25,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1338 transitions. [2021-10-14 11:55:25,087 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1338 transitions. Word has length 70 [2021-10-14 11:55:25,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:25,087 INFO L470 AbstractCegarLoop]: Abstraction has 733 states and 1338 transitions. [2021-10-14 11:55:25,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:25,087 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1338 transitions. [2021-10-14 11:55:25,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:25,088 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:25,089 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:25,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-14 11:55:25,089 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:25,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:25,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1444103354, now seen corresponding path program 11 times [2021-10-14 11:55:25,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:25,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283318306] [2021-10-14 11:55:25,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:25,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:25,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:25,366 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:25,366 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283318306] [2021-10-14 11:55:25,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283318306] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:25,367 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:25,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:25,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701238823] [2021-10-14 11:55:25,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:25,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:25,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:25,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:25,368 INFO L87 Difference]: Start difference. First operand 733 states and 1338 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:25,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:25,857 INFO L93 Difference]: Finished difference Result 793 states and 1439 transitions. [2021-10-14 11:55:25,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:25,859 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:25,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:25,862 INFO L225 Difference]: With dead ends: 793 [2021-10-14 11:55:25,862 INFO L226 Difference]: Without dead ends: 724 [2021-10-14 11:55:25,863 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 376.5ms TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:25,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2021-10-14 11:55:25,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 724. [2021-10-14 11:55:25,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 721 states have (on average 1.8335644937586686) internal successors, (1322), 723 states have internal predecessors, (1322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:25,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1322 transitions. [2021-10-14 11:55:25,876 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1322 transitions. Word has length 70 [2021-10-14 11:55:25,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:25,877 INFO L470 AbstractCegarLoop]: Abstraction has 724 states and 1322 transitions. [2021-10-14 11:55:25,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:25,877 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1322 transitions. [2021-10-14 11:55:25,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:25,878 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:25,878 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:25,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-14 11:55:25,879 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:25,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:25,879 INFO L82 PathProgramCache]: Analyzing trace with hash 510536622, now seen corresponding path program 12 times [2021-10-14 11:55:25,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:25,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436651116] [2021-10-14 11:55:25,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:25,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:26,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:26,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:26,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436651116] [2021-10-14 11:55:26,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436651116] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:26,129 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:26,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:26,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040456881] [2021-10-14 11:55:26,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:26,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:26,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:26,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:26,130 INFO L87 Difference]: Start difference. First operand 724 states and 1322 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:26,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:26,671 INFO L93 Difference]: Finished difference Result 1338 states and 2450 transitions. [2021-10-14 11:55:26,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:26,671 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:26,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:26,675 INFO L225 Difference]: With dead ends: 1338 [2021-10-14 11:55:26,675 INFO L226 Difference]: Without dead ends: 1278 [2021-10-14 11:55:26,676 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 377.0ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:26,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2021-10-14 11:55:26,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 732. [2021-10-14 11:55:26,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 729 states have (on average 1.8326474622770919) internal successors, (1336), 731 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:26,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1336 transitions. [2021-10-14 11:55:26,691 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1336 transitions. Word has length 70 [2021-10-14 11:55:26,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:26,691 INFO L470 AbstractCegarLoop]: Abstraction has 732 states and 1336 transitions. [2021-10-14 11:55:26,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:26,692 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1336 transitions. [2021-10-14 11:55:26,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:26,693 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:26,693 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:26,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-14 11:55:26,693 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:26,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:26,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1742442582, now seen corresponding path program 13 times [2021-10-14 11:55:26,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:26,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682593093] [2021-10-14 11:55:26,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:26,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:26,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:26,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:26,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682593093] [2021-10-14 11:55:26,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682593093] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:26,939 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:26,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:26,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209424299] [2021-10-14 11:55:26,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:26,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:26,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:26,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:26,940 INFO L87 Difference]: Start difference. First operand 732 states and 1336 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:27,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:27,457 INFO L93 Difference]: Finished difference Result 1788 states and 3273 transitions. [2021-10-14 11:55:27,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:27,458 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:27,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:27,463 INFO L225 Difference]: With dead ends: 1788 [2021-10-14 11:55:27,463 INFO L226 Difference]: Without dead ends: 1758 [2021-10-14 11:55:27,463 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 363.4ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:27,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1758 states. [2021-10-14 11:55:27,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1758 to 733. [2021-10-14 11:55:27,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 730 states have (on average 1.8315068493150686) internal successors, (1337), 732 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:27,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1337 transitions. [2021-10-14 11:55:27,481 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1337 transitions. Word has length 70 [2021-10-14 11:55:27,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:27,481 INFO L470 AbstractCegarLoop]: Abstraction has 733 states and 1337 transitions. [2021-10-14 11:55:27,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:27,482 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1337 transitions. [2021-10-14 11:55:27,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:27,483 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:27,483 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:27,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-14 11:55:27,483 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:27,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:27,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1749531596, now seen corresponding path program 14 times [2021-10-14 11:55:27,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:27,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874329766] [2021-10-14 11:55:27,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:27,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:27,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:27,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:27,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874329766] [2021-10-14 11:55:27,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874329766] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:27,750 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:27,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:27,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237755411] [2021-10-14 11:55:27,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:27,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:27,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:27,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:27,751 INFO L87 Difference]: Start difference. First operand 733 states and 1337 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:28,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:28,265 INFO L93 Difference]: Finished difference Result 1310 states and 2378 transitions. [2021-10-14 11:55:28,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:28,265 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:28,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:28,270 INFO L225 Difference]: With dead ends: 1310 [2021-10-14 11:55:28,270 INFO L226 Difference]: Without dead ends: 1276 [2021-10-14 11:55:28,271 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 367.7ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:28,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2021-10-14 11:55:28,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 730. [2021-10-14 11:55:28,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 727 states have (on average 1.8321870701513068) internal successors, (1332), 729 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:28,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 1332 transitions. [2021-10-14 11:55:28,285 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 1332 transitions. Word has length 70 [2021-10-14 11:55:28,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:28,286 INFO L470 AbstractCegarLoop]: Abstraction has 730 states and 1332 transitions. [2021-10-14 11:55:28,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:28,286 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1332 transitions. [2021-10-14 11:55:28,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:28,287 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:28,287 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:28,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-14 11:55:28,287 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:28,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:28,288 INFO L82 PathProgramCache]: Analyzing trace with hash -733380912, now seen corresponding path program 15 times [2021-10-14 11:55:28,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:28,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032509818] [2021-10-14 11:55:28,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:28,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:28,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:28,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:28,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032509818] [2021-10-14 11:55:28,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032509818] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:28,533 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:28,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:28,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843046839] [2021-10-14 11:55:28,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:28,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:28,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:28,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:28,535 INFO L87 Difference]: Start difference. First operand 730 states and 1332 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:29,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:29,126 INFO L93 Difference]: Finished difference Result 1803 states and 3302 transitions. [2021-10-14 11:55:29,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:29,126 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:29,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:29,132 INFO L225 Difference]: With dead ends: 1803 [2021-10-14 11:55:29,132 INFO L226 Difference]: Without dead ends: 1773 [2021-10-14 11:55:29,132 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 386.6ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:29,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1773 states. [2021-10-14 11:55:29,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1773 to 732. [2021-10-14 11:55:29,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 729 states have (on average 1.831275720164609) internal successors, (1335), 731 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:29,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1335 transitions. [2021-10-14 11:55:29,150 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1335 transitions. Word has length 70 [2021-10-14 11:55:29,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:29,150 INFO L470 AbstractCegarLoop]: Abstraction has 732 states and 1335 transitions. [2021-10-14 11:55:29,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:29,150 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1335 transitions. [2021-10-14 11:55:29,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:29,151 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:29,151 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:29,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-14 11:55:29,152 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:29,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:29,152 INFO L82 PathProgramCache]: Analyzing trace with hash -726291898, now seen corresponding path program 16 times [2021-10-14 11:55:29,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:29,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216308407] [2021-10-14 11:55:29,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:29,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:29,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:29,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:29,410 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216308407] [2021-10-14 11:55:29,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216308407] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:29,410 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:29,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:29,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133472534] [2021-10-14 11:55:29,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:29,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:29,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:29,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:29,411 INFO L87 Difference]: Start difference. First operand 732 states and 1335 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:29,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:29,894 INFO L93 Difference]: Finished difference Result 1804 states and 3288 transitions. [2021-10-14 11:55:29,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:29,895 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:29,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:29,899 INFO L225 Difference]: With dead ends: 1804 [2021-10-14 11:55:29,899 INFO L226 Difference]: Without dead ends: 1772 [2021-10-14 11:55:29,899 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 363.4ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:29,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1772 states. [2021-10-14 11:55:29,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1772 to 731. [2021-10-14 11:55:29,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 731 states, 728 states have (on average 1.831043956043956) internal successors, (1333), 730 states have internal predecessors, (1333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:29,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 1333 transitions. [2021-10-14 11:55:29,917 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 1333 transitions. Word has length 70 [2021-10-14 11:55:29,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:29,917 INFO L470 AbstractCegarLoop]: Abstraction has 731 states and 1333 transitions. [2021-10-14 11:55:29,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:29,918 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1333 transitions. [2021-10-14 11:55:29,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:29,919 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:29,919 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:29,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-14 11:55:29,919 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:29,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:29,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1818303698, now seen corresponding path program 17 times [2021-10-14 11:55:29,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:29,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670627877] [2021-10-14 11:55:29,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:29,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:30,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:30,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:30,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670627877] [2021-10-14 11:55:30,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670627877] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:30,169 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:30,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:30,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410578811] [2021-10-14 11:55:30,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:30,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:30,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:30,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:30,171 INFO L87 Difference]: Start difference. First operand 731 states and 1333 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:30,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:30,725 INFO L93 Difference]: Finished difference Result 1787 states and 3255 transitions. [2021-10-14 11:55:30,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:30,725 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:30,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:30,729 INFO L225 Difference]: With dead ends: 1787 [2021-10-14 11:55:30,729 INFO L226 Difference]: Without dead ends: 1756 [2021-10-14 11:55:30,730 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 396.5ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:30,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1756 states. [2021-10-14 11:55:30,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1756 to 732. [2021-10-14 11:55:30,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 729 states have (on average 1.8299039780521262) internal successors, (1334), 731 states have internal predecessors, (1334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:30,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1334 transitions. [2021-10-14 11:55:30,745 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1334 transitions. Word has length 70 [2021-10-14 11:55:30,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:30,745 INFO L470 AbstractCegarLoop]: Abstraction has 732 states and 1334 transitions. [2021-10-14 11:55:30,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:30,746 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1334 transitions. [2021-10-14 11:55:30,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:30,747 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:30,747 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:30,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-14 11:55:30,747 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:30,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:30,748 INFO L82 PathProgramCache]: Analyzing trace with hash -18849968, now seen corresponding path program 18 times [2021-10-14 11:55:30,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:30,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092786628] [2021-10-14 11:55:30,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:30,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:30,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:30,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:30,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092786628] [2021-10-14 11:55:30,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092786628] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:30,988 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:30,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:30,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480801408] [2021-10-14 11:55:30,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:30,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:30,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:30,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:30,989 INFO L87 Difference]: Start difference. First operand 732 states and 1334 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:31,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:31,469 INFO L93 Difference]: Finished difference Result 1308 states and 2388 transitions. [2021-10-14 11:55:31,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:31,470 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:31,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:31,473 INFO L225 Difference]: With dead ends: 1308 [2021-10-14 11:55:31,473 INFO L226 Difference]: Without dead ends: 1274 [2021-10-14 11:55:31,473 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 372.4ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:31,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2021-10-14 11:55:31,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 728. [2021-10-14 11:55:31,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 728 states, 725 states have (on average 1.8317241379310345) internal successors, (1328), 727 states have internal predecessors, (1328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:31,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 1328 transitions. [2021-10-14 11:55:31,488 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 1328 transitions. Word has length 70 [2021-10-14 11:55:31,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:31,488 INFO L470 AbstractCegarLoop]: Abstraction has 728 states and 1328 transitions. [2021-10-14 11:55:31,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:31,488 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1328 transitions. [2021-10-14 11:55:31,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:31,489 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:31,489 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:31,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-14 11:55:31,490 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:31,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:31,490 INFO L82 PathProgramCache]: Analyzing trace with hash 276599774, now seen corresponding path program 19 times [2021-10-14 11:55:31,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:31,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457013756] [2021-10-14 11:55:31,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:31,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:31,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:31,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:31,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457013756] [2021-10-14 11:55:31,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457013756] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:31,721 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:31,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:31,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304834682] [2021-10-14 11:55:31,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:31,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:31,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:31,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:31,723 INFO L87 Difference]: Start difference. First operand 728 states and 1328 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:32,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:32,199 INFO L93 Difference]: Finished difference Result 1289 states and 2353 transitions. [2021-10-14 11:55:32,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:32,199 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:32,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:32,201 INFO L225 Difference]: With dead ends: 1289 [2021-10-14 11:55:32,201 INFO L226 Difference]: Without dead ends: 1259 [2021-10-14 11:55:32,202 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 371.4ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:32,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1259 states. [2021-10-14 11:55:32,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1259 to 732. [2021-10-14 11:55:32,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 729 states have (on average 1.831275720164609) internal successors, (1335), 731 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:32,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1335 transitions. [2021-10-14 11:55:32,228 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1335 transitions. Word has length 70 [2021-10-14 11:55:32,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:32,228 INFO L470 AbstractCegarLoop]: Abstraction has 732 states and 1335 transitions. [2021-10-14 11:55:32,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:32,229 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1335 transitions. [2021-10-14 11:55:32,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:32,230 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:32,230 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:32,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-14 11:55:32,231 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:32,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:32,231 INFO L82 PathProgramCache]: Analyzing trace with hash 283688788, now seen corresponding path program 20 times [2021-10-14 11:55:32,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:32,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112054372] [2021-10-14 11:55:32,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:32,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:32,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:32,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:32,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112054372] [2021-10-14 11:55:32,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112054372] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:32,477 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:32,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:32,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842238369] [2021-10-14 11:55:32,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:32,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:32,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:32,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:32,478 INFO L87 Difference]: Start difference. First operand 732 states and 1335 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:32,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:32,976 INFO L93 Difference]: Finished difference Result 1290 states and 2339 transitions. [2021-10-14 11:55:32,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:32,976 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:32,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:32,979 INFO L225 Difference]: With dead ends: 1290 [2021-10-14 11:55:32,979 INFO L226 Difference]: Without dead ends: 1258 [2021-10-14 11:55:32,980 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 352.5ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:32,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1258 states. [2021-10-14 11:55:33,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1258 to 731. [2021-10-14 11:55:33,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 731 states, 728 states have (on average 1.831043956043956) internal successors, (1333), 730 states have internal predecessors, (1333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:33,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 1333 transitions. [2021-10-14 11:55:33,010 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 1333 transitions. Word has length 70 [2021-10-14 11:55:33,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:33,011 INFO L470 AbstractCegarLoop]: Abstraction has 731 states and 1333 transitions. [2021-10-14 11:55:33,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:33,011 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1333 transitions. [2021-10-14 11:55:33,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:33,012 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:33,012 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:33,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-14 11:55:33,013 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:33,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:33,014 INFO L82 PathProgramCache]: Analyzing trace with hash -808323012, now seen corresponding path program 21 times [2021-10-14 11:55:33,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:33,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090118755] [2021-10-14 11:55:33,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:33,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:33,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:33,271 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:33,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090118755] [2021-10-14 11:55:33,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090118755] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:33,271 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:33,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:33,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015890374] [2021-10-14 11:55:33,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:33,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:33,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:33,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:33,273 INFO L87 Difference]: Start difference. First operand 731 states and 1333 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:33,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:33,845 INFO L93 Difference]: Finished difference Result 1768 states and 3218 transitions. [2021-10-14 11:55:33,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:33,846 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:33,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:33,850 INFO L225 Difference]: With dead ends: 1768 [2021-10-14 11:55:33,850 INFO L226 Difference]: Without dead ends: 1737 [2021-10-14 11:55:33,851 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 396.1ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:33,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1737 states. [2021-10-14 11:55:33,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1737 to 732. [2021-10-14 11:55:33,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 729 states have (on average 1.8299039780521262) internal successors, (1334), 731 states have internal predecessors, (1334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:33,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1334 transitions. [2021-10-14 11:55:33,866 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1334 transitions. Word has length 70 [2021-10-14 11:55:33,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:33,866 INFO L470 AbstractCegarLoop]: Abstraction has 732 states and 1334 transitions. [2021-10-14 11:55:33,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:33,866 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1334 transitions. [2021-10-14 11:55:33,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:33,867 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:33,867 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:33,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-14 11:55:33,868 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:33,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:33,868 INFO L82 PathProgramCache]: Analyzing trace with hash 991130718, now seen corresponding path program 22 times [2021-10-14 11:55:33,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:33,868 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427721023] [2021-10-14 11:55:33,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:33,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:34,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:34,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:34,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427721023] [2021-10-14 11:55:34,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427721023] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:34,102 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:34,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:34,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830859740] [2021-10-14 11:55:34,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:34,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:34,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:34,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:34,103 INFO L87 Difference]: Start difference. First operand 732 states and 1334 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:34,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:34,524 INFO L93 Difference]: Finished difference Result 1289 states and 2351 transitions. [2021-10-14 11:55:34,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:34,525 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:34,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:34,527 INFO L225 Difference]: With dead ends: 1289 [2021-10-14 11:55:34,527 INFO L226 Difference]: Without dead ends: 1257 [2021-10-14 11:55:34,527 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 343.2ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:34,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2021-10-14 11:55:34,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 730. [2021-10-14 11:55:34,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 727 states have (on average 1.830811554332875) internal successors, (1331), 729 states have internal predecessors, (1331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:34,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 1331 transitions. [2021-10-14 11:55:34,540 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 1331 transitions. Word has length 70 [2021-10-14 11:55:34,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:34,540 INFO L470 AbstractCegarLoop]: Abstraction has 730 states and 1331 transitions. [2021-10-14 11:55:34,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:34,540 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1331 transitions. [2021-10-14 11:55:34,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:34,542 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:34,542 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:34,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-14 11:55:34,542 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:34,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:34,542 INFO L82 PathProgramCache]: Analyzing trace with hash 2068905740, now seen corresponding path program 23 times [2021-10-14 11:55:34,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:34,543 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485762969] [2021-10-14 11:55:34,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:34,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:34,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:34,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:34,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485762969] [2021-10-14 11:55:34,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485762969] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:34,789 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:34,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:34,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539408499] [2021-10-14 11:55:34,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:34,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:34,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:34,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:34,790 INFO L87 Difference]: Start difference. First operand 730 states and 1331 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:35,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:35,293 INFO L93 Difference]: Finished difference Result 1272 states and 2304 transitions. [2021-10-14 11:55:35,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:35,294 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:35,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:35,299 INFO L225 Difference]: With dead ends: 1272 [2021-10-14 11:55:35,299 INFO L226 Difference]: Without dead ends: 1241 [2021-10-14 11:55:35,300 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 388.8ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:35,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2021-10-14 11:55:35,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 733. [2021-10-14 11:55:35,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 730 states have (on average 1.83013698630137) internal successors, (1336), 732 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:35,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1336 transitions. [2021-10-14 11:55:35,313 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1336 transitions. Word has length 70 [2021-10-14 11:55:35,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:35,313 INFO L470 AbstractCegarLoop]: Abstraction has 733 states and 1336 transitions. [2021-10-14 11:55:35,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:35,313 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1336 transitions. [2021-10-14 11:55:35,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:35,314 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:35,314 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:35,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-10-14 11:55:35,315 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:35,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:35,315 INFO L82 PathProgramCache]: Analyzing trace with hash -426607826, now seen corresponding path program 24 times [2021-10-14 11:55:35,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:35,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202519480] [2021-10-14 11:55:35,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:35,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:35,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:35,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:35,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202519480] [2021-10-14 11:55:35,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202519480] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:35,588 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:35,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:35,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567799052] [2021-10-14 11:55:35,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:35,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:35,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:35,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:35,589 INFO L87 Difference]: Start difference. First operand 733 states and 1336 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:36,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:36,111 INFO L93 Difference]: Finished difference Result 1271 states and 2316 transitions. [2021-10-14 11:55:36,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:36,111 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:36,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:36,114 INFO L225 Difference]: With dead ends: 1271 [2021-10-14 11:55:36,114 INFO L226 Difference]: Without dead ends: 1240 [2021-10-14 11:55:36,114 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 398.9ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:36,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2021-10-14 11:55:36,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 732. [2021-10-14 11:55:36,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 729 states have (on average 1.8299039780521262) internal successors, (1334), 731 states have internal predecessors, (1334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:36,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1334 transitions. [2021-10-14 11:55:36,127 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1334 transitions. Word has length 70 [2021-10-14 11:55:36,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:36,128 INFO L470 AbstractCegarLoop]: Abstraction has 732 states and 1334 transitions. [2021-10-14 11:55:36,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:36,128 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1334 transitions. [2021-10-14 11:55:36,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:36,129 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:36,129 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:36,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-10-14 11:55:36,129 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:36,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:36,130 INFO L82 PathProgramCache]: Analyzing trace with hash 39532800, now seen corresponding path program 25 times [2021-10-14 11:55:36,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:36,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069528518] [2021-10-14 11:55:36,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:36,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:36,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:36,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:36,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069528518] [2021-10-14 11:55:36,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069528518] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:36,367 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:36,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:36,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757386649] [2021-10-14 11:55:36,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:36,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:36,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:36,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:36,368 INFO L87 Difference]: Start difference. First operand 732 states and 1334 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:36,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:36,805 INFO L93 Difference]: Finished difference Result 792 states and 1435 transitions. [2021-10-14 11:55:36,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:36,805 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:36,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:36,806 INFO L225 Difference]: With dead ends: 792 [2021-10-14 11:55:36,806 INFO L226 Difference]: Without dead ends: 714 [2021-10-14 11:55:36,806 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 356.2ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:36,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2021-10-14 11:55:36,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 714. [2021-10-14 11:55:36,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 711 states have (on average 1.8312236286919832) internal successors, (1302), 713 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:36,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 1302 transitions. [2021-10-14 11:55:36,816 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 1302 transitions. Word has length 70 [2021-10-14 11:55:36,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:36,816 INFO L470 AbstractCegarLoop]: Abstraction has 714 states and 1302 transitions. [2021-10-14 11:55:36,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:36,816 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1302 transitions. [2021-10-14 11:55:36,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:36,817 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:36,817 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:36,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-10-14 11:55:36,818 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:36,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:36,818 INFO L82 PathProgramCache]: Analyzing trace with hash 342664016, now seen corresponding path program 26 times [2021-10-14 11:55:36,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:36,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694069427] [2021-10-14 11:55:36,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:36,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:37,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:37,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:37,040 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694069427] [2021-10-14 11:55:37,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694069427] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:37,040 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:37,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:37,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817289092] [2021-10-14 11:55:37,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:37,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:37,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:37,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:37,041 INFO L87 Difference]: Start difference. First operand 714 states and 1302 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:37,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:37,494 INFO L93 Difference]: Finished difference Result 774 states and 1403 transitions. [2021-10-14 11:55:37,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:37,494 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:37,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:37,496 INFO L225 Difference]: With dead ends: 774 [2021-10-14 11:55:37,496 INFO L226 Difference]: Without dead ends: 654 [2021-10-14 11:55:37,496 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 312.9ms TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:37,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2021-10-14 11:55:37,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 654. [2021-10-14 11:55:37,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 651 states have (on average 1.8156682027649769) internal successors, (1182), 653 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:37,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 1182 transitions. [2021-10-14 11:55:37,504 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 1182 transitions. Word has length 70 [2021-10-14 11:55:37,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:37,505 INFO L470 AbstractCegarLoop]: Abstraction has 654 states and 1182 transitions. [2021-10-14 11:55:37,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:37,505 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 1182 transitions. [2021-10-14 11:55:37,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:37,506 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:37,506 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:37,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-10-14 11:55:37,506 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:37,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:37,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1481244236, now seen corresponding path program 27 times [2021-10-14 11:55:37,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:37,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389087721] [2021-10-14 11:55:37,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:37,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:37,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:37,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:37,718 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389087721] [2021-10-14 11:55:37,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389087721] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:37,719 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:37,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:37,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803909599] [2021-10-14 11:55:37,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:37,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:37,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:37,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:37,720 INFO L87 Difference]: Start difference. First operand 654 states and 1182 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:38,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:38,155 INFO L93 Difference]: Finished difference Result 1211 states and 2199 transitions. [2021-10-14 11:55:38,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:38,155 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:38,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:38,157 INFO L225 Difference]: With dead ends: 1211 [2021-10-14 11:55:38,157 INFO L226 Difference]: Without dead ends: 1151 [2021-10-14 11:55:38,158 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 319.3ms TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:38,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2021-10-14 11:55:38,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 656. [2021-10-14 11:55:38,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 656 states, 653 states have (on average 1.8131699846860643) internal successors, (1184), 655 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:38,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 1184 transitions. [2021-10-14 11:55:38,169 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 1184 transitions. Word has length 70 [2021-10-14 11:55:38,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:38,169 INFO L470 AbstractCegarLoop]: Abstraction has 656 states and 1184 transitions. [2021-10-14 11:55:38,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:38,170 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1184 transitions. [2021-10-14 11:55:38,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:38,171 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:38,171 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:38,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-10-14 11:55:38,171 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:38,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:38,172 INFO L82 PathProgramCache]: Analyzing trace with hash 596812054, now seen corresponding path program 28 times [2021-10-14 11:55:38,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:38,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134063478] [2021-10-14 11:55:38,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:38,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:38,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:38,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:38,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134063478] [2021-10-14 11:55:38,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134063478] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:38,387 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:38,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:38,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322522564] [2021-10-14 11:55:38,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:38,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:38,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:38,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:38,388 INFO L87 Difference]: Start difference. First operand 656 states and 1184 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:38,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:38,816 INFO L93 Difference]: Finished difference Result 1166 states and 2110 transitions. [2021-10-14 11:55:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:38,817 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:38,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:38,818 INFO L225 Difference]: With dead ends: 1166 [2021-10-14 11:55:38,818 INFO L226 Difference]: Without dead ends: 1136 [2021-10-14 11:55:38,819 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 311.5ms TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:38,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2021-10-14 11:55:38,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 657. [2021-10-14 11:55:38,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 654 states have (on average 1.811926605504587) internal successors, (1185), 656 states have internal predecessors, (1185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:38,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 1185 transitions. [2021-10-14 11:55:38,829 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 1185 transitions. Word has length 70 [2021-10-14 11:55:38,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:38,829 INFO L470 AbstractCegarLoop]: Abstraction has 657 states and 1185 transitions. [2021-10-14 11:55:38,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:38,829 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1185 transitions. [2021-10-14 11:55:38,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:38,830 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:38,830 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:38,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-10-14 11:55:38,830 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:38,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:38,831 INFO L82 PathProgramCache]: Analyzing trace with hash 603901068, now seen corresponding path program 29 times [2021-10-14 11:55:38,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:38,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827298076] [2021-10-14 11:55:38,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:38,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:39,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:39,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:39,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827298076] [2021-10-14 11:55:39,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827298076] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:39,048 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:39,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:39,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586592033] [2021-10-14 11:55:39,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:39,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:39,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:39,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:39,049 INFO L87 Difference]: Start difference. First operand 657 states and 1185 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:39,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:39,472 INFO L93 Difference]: Finished difference Result 688 states and 1215 transitions. [2021-10-14 11:55:39,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:39,472 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:39,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:39,473 INFO L225 Difference]: With dead ends: 688 [2021-10-14 11:55:39,473 INFO L226 Difference]: Without dead ends: 650 [2021-10-14 11:55:39,474 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 344.0ms TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:39,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2021-10-14 11:55:39,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 650. [2021-10-14 11:55:39,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 647 states have (on average 1.8145285935085007) internal successors, (1174), 649 states have internal predecessors, (1174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:39,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 1174 transitions. [2021-10-14 11:55:39,481 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 1174 transitions. Word has length 70 [2021-10-14 11:55:39,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:39,482 INFO L470 AbstractCegarLoop]: Abstraction has 650 states and 1174 transitions. [2021-10-14 11:55:39,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:39,482 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1174 transitions. [2021-10-14 11:55:39,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:39,483 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:39,483 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:39,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-10-14 11:55:39,483 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:39,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:39,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1257230990, now seen corresponding path program 30 times [2021-10-14 11:55:39,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:39,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191083263] [2021-10-14 11:55:39,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:39,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:39,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:39,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:39,706 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191083263] [2021-10-14 11:55:39,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191083263] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:39,707 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:39,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:39,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477663881] [2021-10-14 11:55:39,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:39,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:39,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:39,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:39,708 INFO L87 Difference]: Start difference. First operand 650 states and 1174 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:40,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:40,155 INFO L93 Difference]: Finished difference Result 1226 states and 2228 transitions. [2021-10-14 11:55:40,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:40,156 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:40,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:40,158 INFO L225 Difference]: With dead ends: 1226 [2021-10-14 11:55:40,158 INFO L226 Difference]: Without dead ends: 1166 [2021-10-14 11:55:40,159 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 342.3ms TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:40,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1166 states. [2021-10-14 11:55:40,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1166 to 654. [2021-10-14 11:55:40,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 651 states have (on average 1.8125960061443933) internal successors, (1180), 653 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:40,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 1180 transitions. [2021-10-14 11:55:40,169 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 1180 transitions. Word has length 70 [2021-10-14 11:55:40,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:40,169 INFO L470 AbstractCegarLoop]: Abstraction has 654 states and 1180 transitions. [2021-10-14 11:55:40,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:40,169 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 1180 transitions. [2021-10-14 11:55:40,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:40,170 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:40,170 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:40,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-10-14 11:55:40,170 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:40,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:40,171 INFO L82 PathProgramCache]: Analyzing trace with hash 820825300, now seen corresponding path program 31 times [2021-10-14 11:55:40,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:40,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464282319] [2021-10-14 11:55:40,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:40,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:40,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:40,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:40,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464282319] [2021-10-14 11:55:40,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464282319] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:40,418 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:40,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:40,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269005513] [2021-10-14 11:55:40,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:40,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:40,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:40,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:40,420 INFO L87 Difference]: Start difference. First operand 654 states and 1180 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:40,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:40,868 INFO L93 Difference]: Finished difference Result 1676 states and 3051 transitions. [2021-10-14 11:55:40,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:40,869 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:40,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:40,871 INFO L225 Difference]: With dead ends: 1676 [2021-10-14 11:55:40,871 INFO L226 Difference]: Without dead ends: 1646 [2021-10-14 11:55:40,871 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 326.4ms TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:40,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2021-10-14 11:55:40,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 655. [2021-10-14 11:55:40,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 652 states have (on average 1.8113496932515338) internal successors, (1181), 654 states have internal predecessors, (1181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:40,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 1181 transitions. [2021-10-14 11:55:40,883 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 1181 transitions. Word has length 70 [2021-10-14 11:55:40,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:40,883 INFO L470 AbstractCegarLoop]: Abstraction has 655 states and 1181 transitions. [2021-10-14 11:55:40,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:40,883 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 1181 transitions. [2021-10-14 11:55:40,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:40,884 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:40,884 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:40,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-10-14 11:55:40,884 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:40,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:40,885 INFO L82 PathProgramCache]: Analyzing trace with hash 827914314, now seen corresponding path program 32 times [2021-10-14 11:55:40,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:40,885 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111932959] [2021-10-14 11:55:40,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:40,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:41,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:41,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:41,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111932959] [2021-10-14 11:55:41,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111932959] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:41,104 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:41,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:41,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778378412] [2021-10-14 11:55:41,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:41,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:41,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:41,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:41,105 INFO L87 Difference]: Start difference. First operand 655 states and 1181 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:41,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:41,548 INFO L93 Difference]: Finished difference Result 1198 states and 2156 transitions. [2021-10-14 11:55:41,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:41,548 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:41,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:41,550 INFO L225 Difference]: With dead ends: 1198 [2021-10-14 11:55:41,550 INFO L226 Difference]: Without dead ends: 1164 [2021-10-14 11:55:41,550 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 316.1ms TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:41,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2021-10-14 11:55:41,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 652. [2021-10-14 11:55:41,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 649 states have (on average 1.8120184899845917) internal successors, (1176), 651 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:41,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 1176 transitions. [2021-10-14 11:55:41,560 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 1176 transitions. Word has length 70 [2021-10-14 11:55:41,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:41,560 INFO L470 AbstractCegarLoop]: Abstraction has 652 states and 1176 transitions. [2021-10-14 11:55:41,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:41,560 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 1176 transitions. [2021-10-14 11:55:41,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:41,561 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:41,561 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:41,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-10-14 11:55:41,561 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:41,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:41,562 INFO L82 PathProgramCache]: Analyzing trace with hash 914087410, now seen corresponding path program 33 times [2021-10-14 11:55:41,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:41,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056165923] [2021-10-14 11:55:41,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:41,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:41,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:41,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:41,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056165923] [2021-10-14 11:55:41,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056165923] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:41,768 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:41,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:41,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799624983] [2021-10-14 11:55:41,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:41,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:41,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:41,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:41,770 INFO L87 Difference]: Start difference. First operand 652 states and 1176 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:42,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:42,221 INFO L93 Difference]: Finished difference Result 1179 states and 2135 transitions. [2021-10-14 11:55:42,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:42,221 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:42,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:42,222 INFO L225 Difference]: With dead ends: 1179 [2021-10-14 11:55:42,223 INFO L226 Difference]: Without dead ends: 1149 [2021-10-14 11:55:42,223 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 348.4ms TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:42,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2021-10-14 11:55:42,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 654. [2021-10-14 11:55:42,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 651 states have (on average 1.8110599078341014) internal successors, (1179), 653 states have internal predecessors, (1179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:42,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 1179 transitions. [2021-10-14 11:55:42,230 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 1179 transitions. Word has length 70 [2021-10-14 11:55:42,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:42,230 INFO L470 AbstractCegarLoop]: Abstraction has 654 states and 1179 transitions. [2021-10-14 11:55:42,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:42,230 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 1179 transitions. [2021-10-14 11:55:42,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:42,231 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:42,231 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:42,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-10-14 11:55:42,231 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:42,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:42,231 INFO L82 PathProgramCache]: Analyzing trace with hash 921176424, now seen corresponding path program 34 times [2021-10-14 11:55:42,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:42,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008449734] [2021-10-14 11:55:42,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:42,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:42,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:42,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:42,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008449734] [2021-10-14 11:55:42,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008449734] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:42,448 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:42,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:42,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189103202] [2021-10-14 11:55:42,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:42,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:42,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:42,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:42,450 INFO L87 Difference]: Start difference. First operand 654 states and 1179 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:42,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:42,856 INFO L93 Difference]: Finished difference Result 1180 states and 2121 transitions. [2021-10-14 11:55:42,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:42,857 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:42,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:42,858 INFO L225 Difference]: With dead ends: 1180 [2021-10-14 11:55:42,858 INFO L226 Difference]: Without dead ends: 1148 [2021-10-14 11:55:42,859 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 337.4ms TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:42,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2021-10-14 11:55:42,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 653. [2021-10-14 11:55:42,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 650 states have (on average 1.8107692307692307) internal successors, (1177), 652 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:42,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 1177 transitions. [2021-10-14 11:55:42,869 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 1177 transitions. Word has length 70 [2021-10-14 11:55:42,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:42,869 INFO L470 AbstractCegarLoop]: Abstraction has 653 states and 1177 transitions. [2021-10-14 11:55:42,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:42,870 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 1177 transitions. [2021-10-14 11:55:42,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:42,873 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:42,874 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:42,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-10-14 11:55:42,874 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:42,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:42,874 INFO L82 PathProgramCache]: Analyzing trace with hash -170835376, now seen corresponding path program 35 times [2021-10-14 11:55:42,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:42,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673085129] [2021-10-14 11:55:42,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:42,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:43,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:43,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:43,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673085129] [2021-10-14 11:55:43,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673085129] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:43,092 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:43,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:43,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80999842] [2021-10-14 11:55:43,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:43,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:43,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:43,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:43,093 INFO L87 Difference]: Start difference. First operand 653 states and 1177 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:43,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:43,639 INFO L93 Difference]: Finished difference Result 1163 states and 2088 transitions. [2021-10-14 11:55:43,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:43,639 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:43,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:43,641 INFO L225 Difference]: With dead ends: 1163 [2021-10-14 11:55:43,641 INFO L226 Difference]: Without dead ends: 1132 [2021-10-14 11:55:43,641 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 394.5ms TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:43,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2021-10-14 11:55:43,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 654. [2021-10-14 11:55:43,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 651 states have (on average 1.8095238095238095) internal successors, (1178), 653 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:43,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 1178 transitions. [2021-10-14 11:55:43,652 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 1178 transitions. Word has length 70 [2021-10-14 11:55:43,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:43,652 INFO L470 AbstractCegarLoop]: Abstraction has 654 states and 1178 transitions. [2021-10-14 11:55:43,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:43,652 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 1178 transitions. [2021-10-14 11:55:43,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:43,653 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:43,653 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:43,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-10-14 11:55:43,653 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:43,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:43,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1628618354, now seen corresponding path program 36 times [2021-10-14 11:55:43,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:43,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641037493] [2021-10-14 11:55:43,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:43,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:43,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:43,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:43,882 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641037493] [2021-10-14 11:55:43,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641037493] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:43,882 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:43,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:43,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456055674] [2021-10-14 11:55:43,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:43,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:43,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:43,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:43,883 INFO L87 Difference]: Start difference. First operand 654 states and 1178 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:44,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:44,296 INFO L93 Difference]: Finished difference Result 684 states and 1221 transitions. [2021-10-14 11:55:44,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:44,297 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:44,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:44,298 INFO L225 Difference]: With dead ends: 684 [2021-10-14 11:55:44,298 INFO L226 Difference]: Without dead ends: 646 [2021-10-14 11:55:44,298 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 374.9ms TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:44,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2021-10-14 11:55:44,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 646. [2021-10-14 11:55:44,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 643 states have (on average 1.8133748055987557) internal successors, (1166), 645 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:44,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 1166 transitions. [2021-10-14 11:55:44,303 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 1166 transitions. Word has length 70 [2021-10-14 11:55:44,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:44,303 INFO L470 AbstractCegarLoop]: Abstraction has 646 states and 1166 transitions. [2021-10-14 11:55:44,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:44,303 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 1166 transitions. [2021-10-14 11:55:44,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:44,304 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:44,304 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:44,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-10-14 11:55:44,304 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:44,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:44,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1105378236, now seen corresponding path program 37 times [2021-10-14 11:55:44,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:44,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299122713] [2021-10-14 11:55:44,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:44,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:44,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:44,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:44,519 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299122713] [2021-10-14 11:55:44,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299122713] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:44,520 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:44,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:44,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596961097] [2021-10-14 11:55:44,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:44,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:44,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:44,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:44,521 INFO L87 Difference]: Start difference. First operand 646 states and 1166 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:44,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:44,943 INFO L93 Difference]: Finished difference Result 676 states and 1209 transitions. [2021-10-14 11:55:44,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:44,947 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:44,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:44,948 INFO L225 Difference]: With dead ends: 676 [2021-10-14 11:55:44,948 INFO L226 Difference]: Without dead ends: 616 [2021-10-14 11:55:44,949 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 326.5ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:44,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2021-10-14 11:55:44,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 616. [2021-10-14 11:55:44,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 613 states have (on average 1.8042414355628058) internal successors, (1106), 615 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:44,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 1106 transitions. [2021-10-14 11:55:44,955 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 1106 transitions. Word has length 70 [2021-10-14 11:55:44,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:44,956 INFO L470 AbstractCegarLoop]: Abstraction has 616 states and 1106 transitions. [2021-10-14 11:55:44,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:44,956 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 1106 transitions. [2021-10-14 11:55:44,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:44,957 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:44,957 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:44,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-10-14 11:55:44,958 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:44,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:44,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1111532770, now seen corresponding path program 38 times [2021-10-14 11:55:44,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:44,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587371067] [2021-10-14 11:55:44,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:44,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:45,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:45,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:45,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587371067] [2021-10-14 11:55:45,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587371067] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:45,165 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:45,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:45,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727889346] [2021-10-14 11:55:45,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:45,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:45,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:45,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:45,166 INFO L87 Difference]: Start difference. First operand 616 states and 1106 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:45,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:45,580 INFO L93 Difference]: Finished difference Result 1126 states and 2032 transitions. [2021-10-14 11:55:45,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:45,580 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:45,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:45,582 INFO L225 Difference]: With dead ends: 1126 [2021-10-14 11:55:45,582 INFO L226 Difference]: Without dead ends: 1096 [2021-10-14 11:55:45,582 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 329.8ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:45,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2021-10-14 11:55:45,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 617. [2021-10-14 11:55:45,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 614 states have (on average 1.8029315960912051) internal successors, (1107), 616 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:45,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 1107 transitions. [2021-10-14 11:55:45,589 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 1107 transitions. Word has length 70 [2021-10-14 11:55:45,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:45,589 INFO L470 AbstractCegarLoop]: Abstraction has 617 states and 1107 transitions. [2021-10-14 11:55:45,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:45,589 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 1107 transitions. [2021-10-14 11:55:45,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:45,590 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:45,590 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:45,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-10-14 11:55:45,590 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:45,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:45,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1104443756, now seen corresponding path program 39 times [2021-10-14 11:55:45,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:45,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222999396] [2021-10-14 11:55:45,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:45,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:45,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:45,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:45,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222999396] [2021-10-14 11:55:45,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222999396] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:45,815 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:45,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:45,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359463207] [2021-10-14 11:55:45,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:45,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:45,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:45,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:45,816 INFO L87 Difference]: Start difference. First operand 617 states and 1107 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:46,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:46,269 INFO L93 Difference]: Finished difference Result 648 states and 1137 transitions. [2021-10-14 11:55:46,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:46,270 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:46,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:46,271 INFO L225 Difference]: With dead ends: 648 [2021-10-14 11:55:46,271 INFO L226 Difference]: Without dead ends: 614 [2021-10-14 11:55:46,271 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 385.8ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:46,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2021-10-14 11:55:46,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 614. [2021-10-14 11:55:46,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 611 states have (on average 1.8036006546644845) internal successors, (1102), 613 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:46,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 1102 transitions. [2021-10-14 11:55:46,278 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 1102 transitions. Word has length 70 [2021-10-14 11:55:46,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:46,278 INFO L470 AbstractCegarLoop]: Abstraction has 614 states and 1102 transitions. [2021-10-14 11:55:46,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:46,278 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 1102 transitions. [2021-10-14 11:55:46,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:46,279 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:46,279 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:46,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-10-14 11:55:46,280 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:46,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:46,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1018270660, now seen corresponding path program 40 times [2021-10-14 11:55:46,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:46,280 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501421539] [2021-10-14 11:55:46,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:46,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:46,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:46,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:46,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501421539] [2021-10-14 11:55:46,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501421539] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:46,492 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:46,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:46,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123528837] [2021-10-14 11:55:46,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:46,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:46,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:46,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:46,493 INFO L87 Difference]: Start difference. First operand 614 states and 1102 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:46,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:46,984 INFO L93 Difference]: Finished difference Result 1141 states and 2061 transitions. [2021-10-14 11:55:46,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:46,984 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:46,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:46,986 INFO L225 Difference]: With dead ends: 1141 [2021-10-14 11:55:46,986 INFO L226 Difference]: Without dead ends: 1111 [2021-10-14 11:55:46,986 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 385.9ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:46,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1111 states. [2021-10-14 11:55:46,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1111 to 616. [2021-10-14 11:55:46,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 613 states have (on average 1.802610114192496) internal successors, (1105), 615 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:46,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 1105 transitions. [2021-10-14 11:55:46,995 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 1105 transitions. Word has length 70 [2021-10-14 11:55:46,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:46,995 INFO L470 AbstractCegarLoop]: Abstraction has 616 states and 1105 transitions. [2021-10-14 11:55:46,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:46,995 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 1105 transitions. [2021-10-14 11:55:46,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:46,996 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:46,996 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:46,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-10-14 11:55:46,997 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:46,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:46,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1011181646, now seen corresponding path program 41 times [2021-10-14 11:55:46,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:46,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566120578] [2021-10-14 11:55:46,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:46,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:47,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:47,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:47,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566120578] [2021-10-14 11:55:47,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566120578] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:47,209 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:47,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:47,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520568175] [2021-10-14 11:55:47,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:47,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:47,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:47,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:47,210 INFO L87 Difference]: Start difference. First operand 616 states and 1105 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:47,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:47,616 INFO L93 Difference]: Finished difference Result 1142 states and 2047 transitions. [2021-10-14 11:55:47,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:47,616 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:47,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:47,617 INFO L225 Difference]: With dead ends: 1142 [2021-10-14 11:55:47,617 INFO L226 Difference]: Without dead ends: 1110 [2021-10-14 11:55:47,617 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 340.1ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:47,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2021-10-14 11:55:47,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 615. [2021-10-14 11:55:47,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 612 states have (on average 1.8022875816993464) internal successors, (1103), 614 states have internal predecessors, (1103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:47,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 1103 transitions. [2021-10-14 11:55:47,632 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 1103 transitions. Word has length 70 [2021-10-14 11:55:47,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:47,633 INFO L470 AbstractCegarLoop]: Abstraction has 615 states and 1103 transitions. [2021-10-14 11:55:47,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:47,636 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 1103 transitions. [2021-10-14 11:55:47,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:47,638 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:47,638 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:47,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-10-14 11:55:47,638 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:47,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:47,638 INFO L82 PathProgramCache]: Analyzing trace with hash -2103193446, now seen corresponding path program 42 times [2021-10-14 11:55:47,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:47,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591343987] [2021-10-14 11:55:47,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:47,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:47,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:47,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:47,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591343987] [2021-10-14 11:55:47,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591343987] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:47,881 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:47,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:47,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910771830] [2021-10-14 11:55:47,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:47,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:47,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:47,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:47,882 INFO L87 Difference]: Start difference. First operand 615 states and 1103 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:48,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:48,345 INFO L93 Difference]: Finished difference Result 1125 states and 2014 transitions. [2021-10-14 11:55:48,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:48,345 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:48,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:48,347 INFO L225 Difference]: With dead ends: 1125 [2021-10-14 11:55:48,347 INFO L226 Difference]: Without dead ends: 1094 [2021-10-14 11:55:48,347 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 357.0ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:48,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2021-10-14 11:55:48,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 616. [2021-10-14 11:55:48,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 613 states have (on average 1.8009787928221859) internal successors, (1104), 615 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:48,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 1104 transitions. [2021-10-14 11:55:48,354 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 1104 transitions. Word has length 70 [2021-10-14 11:55:48,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:48,354 INFO L470 AbstractCegarLoop]: Abstraction has 616 states and 1104 transitions. [2021-10-14 11:55:48,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:48,354 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 1104 transitions. [2021-10-14 11:55:48,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:48,355 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:48,355 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:48,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-10-14 11:55:48,355 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:48,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:48,356 INFO L82 PathProgramCache]: Analyzing trace with hash -303739716, now seen corresponding path program 43 times [2021-10-14 11:55:48,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:48,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142786492] [2021-10-14 11:55:48,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:48,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:48,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:48,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:48,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142786492] [2021-10-14 11:55:48,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142786492] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:48,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:48,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:48,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417826037] [2021-10-14 11:55:48,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:48,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:48,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:48,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:48,587 INFO L87 Difference]: Start difference. First operand 616 states and 1104 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:49,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:49,019 INFO L93 Difference]: Finished difference Result 646 states and 1147 transitions. [2021-10-14 11:55:49,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:49,020 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:49,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:49,020 INFO L225 Difference]: With dead ends: 646 [2021-10-14 11:55:49,020 INFO L226 Difference]: Without dead ends: 612 [2021-10-14 11:55:49,021 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 393.9ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:49,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2021-10-14 11:55:49,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 612. [2021-10-14 11:55:49,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 609 states have (on average 1.8029556650246306) internal successors, (1098), 611 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:49,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 1098 transitions. [2021-10-14 11:55:49,026 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 1098 transitions. Word has length 70 [2021-10-14 11:55:49,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:49,026 INFO L470 AbstractCegarLoop]: Abstraction has 612 states and 1098 transitions. [2021-10-14 11:55:49,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:49,026 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1098 transitions. [2021-10-14 11:55:49,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:49,027 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:49,027 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:49,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-10-14 11:55:49,027 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:49,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:49,028 INFO L82 PathProgramCache]: Analyzing trace with hash -871888930, now seen corresponding path program 44 times [2021-10-14 11:55:49,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:49,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306088395] [2021-10-14 11:55:49,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:49,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:49,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:49,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:49,238 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306088395] [2021-10-14 11:55:49,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306088395] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:49,239 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:49,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:49,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040383839] [2021-10-14 11:55:49,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:49,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:49,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:49,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:49,240 INFO L87 Difference]: Start difference. First operand 612 states and 1098 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:49,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:49,729 INFO L93 Difference]: Finished difference Result 627 states and 1112 transitions. [2021-10-14 11:55:49,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:49,729 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:49,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:49,730 INFO L225 Difference]: With dead ends: 627 [2021-10-14 11:55:49,730 INFO L226 Difference]: Without dead ends: 597 [2021-10-14 11:55:49,731 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 402.0ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:49,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2021-10-14 11:55:49,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2021-10-14 11:55:49,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 594 states have (on average 1.797979797979798) internal successors, (1068), 596 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:49,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 1068 transitions. [2021-10-14 11:55:49,737 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 1068 transitions. Word has length 70 [2021-10-14 11:55:49,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:49,738 INFO L470 AbstractCegarLoop]: Abstraction has 597 states and 1068 transitions. [2021-10-14 11:55:49,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:49,738 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1068 transitions. [2021-10-14 11:55:49,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:49,738 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:49,739 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:49,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-10-14 11:55:49,739 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:49,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:49,739 INFO L82 PathProgramCache]: Analyzing trace with hash -864799916, now seen corresponding path program 45 times [2021-10-14 11:55:49,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:49,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922681469] [2021-10-14 11:55:49,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:49,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:49,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:49,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:49,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922681469] [2021-10-14 11:55:49,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922681469] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:49,982 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:49,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:49,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936906877] [2021-10-14 11:55:49,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:49,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:49,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:49,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:49,983 INFO L87 Difference]: Start difference. First operand 597 states and 1068 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:50,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:50,395 INFO L93 Difference]: Finished difference Result 628 states and 1098 transitions. [2021-10-14 11:55:50,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:50,395 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:50,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:50,396 INFO L225 Difference]: With dead ends: 628 [2021-10-14 11:55:50,396 INFO L226 Difference]: Without dead ends: 596 [2021-10-14 11:55:50,396 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 358.2ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:50,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2021-10-14 11:55:50,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 596. [2021-10-14 11:55:50,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 593 states have (on average 1.7976391231028668) internal successors, (1066), 595 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:50,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 1066 transitions. [2021-10-14 11:55:50,403 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 1066 transitions. Word has length 70 [2021-10-14 11:55:50,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:50,403 INFO L470 AbstractCegarLoop]: Abstraction has 596 states and 1066 transitions. [2021-10-14 11:55:50,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:50,403 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1066 transitions. [2021-10-14 11:55:50,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:50,404 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:50,404 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:50,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-10-14 11:55:50,404 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:50,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:50,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1956811716, now seen corresponding path program 46 times [2021-10-14 11:55:50,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:50,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412517253] [2021-10-14 11:55:50,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:50,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:50,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:50,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:50,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412517253] [2021-10-14 11:55:50,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412517253] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:50,627 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:50,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:50,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702813703] [2021-10-14 11:55:50,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:50,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:50,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:50,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:50,628 INFO L87 Difference]: Start difference. First operand 596 states and 1066 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:51,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:51,169 INFO L93 Difference]: Finished difference Result 1106 states and 1977 transitions. [2021-10-14 11:55:51,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:51,170 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:51,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:51,171 INFO L225 Difference]: With dead ends: 1106 [2021-10-14 11:55:51,172 INFO L226 Difference]: Without dead ends: 1075 [2021-10-14 11:55:51,172 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 417.8ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:51,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2021-10-14 11:55:51,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 597. [2021-10-14 11:55:51,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 594 states have (on average 1.7962962962962963) internal successors, (1067), 596 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:51,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 1067 transitions. [2021-10-14 11:55:51,180 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 1067 transitions. Word has length 70 [2021-10-14 11:55:51,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:51,180 INFO L470 AbstractCegarLoop]: Abstraction has 597 states and 1067 transitions. [2021-10-14 11:55:51,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:51,181 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1067 transitions. [2021-10-14 11:55:51,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:51,181 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:51,181 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:51,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-10-14 11:55:51,182 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:51,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:51,182 INFO L82 PathProgramCache]: Analyzing trace with hash -157357986, now seen corresponding path program 47 times [2021-10-14 11:55:51,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:51,182 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182286489] [2021-10-14 11:55:51,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:51,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:51,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:51,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:51,410 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182286489] [2021-10-14 11:55:51,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182286489] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:51,410 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:51,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:51,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088322406] [2021-10-14 11:55:51,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:51,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:51,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:51,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:51,411 INFO L87 Difference]: Start difference. First operand 597 states and 1067 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:51,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:51,811 INFO L93 Difference]: Finished difference Result 627 states and 1110 transitions. [2021-10-14 11:55:51,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:51,812 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:51,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:51,812 INFO L225 Difference]: With dead ends: 627 [2021-10-14 11:55:51,812 INFO L226 Difference]: Without dead ends: 595 [2021-10-14 11:55:51,813 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 368.5ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:51,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2021-10-14 11:55:51,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 595. [2021-10-14 11:55:51,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 592 states have (on average 1.7972972972972974) internal successors, (1064), 594 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:51,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 1064 transitions. [2021-10-14 11:55:51,818 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 1064 transitions. Word has length 70 [2021-10-14 11:55:51,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:51,818 INFO L470 AbstractCegarLoop]: Abstraction has 595 states and 1064 transitions. [2021-10-14 11:55:51,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:51,818 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 1064 transitions. [2021-10-14 11:55:51,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:51,819 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:51,819 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:51,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-10-14 11:55:51,819 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:51,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:51,819 INFO L82 PathProgramCache]: Analyzing trace with hash 920417036, now seen corresponding path program 48 times [2021-10-14 11:55:51,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:51,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422016389] [2021-10-14 11:55:51,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:51,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:51,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:52,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:52,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:52,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422016389] [2021-10-14 11:55:52,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422016389] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:52,060 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:52,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:52,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877788304] [2021-10-14 11:55:52,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:52,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:52,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:52,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:52,061 INFO L87 Difference]: Start difference. First operand 595 states and 1064 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:52,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:52,529 INFO L93 Difference]: Finished difference Result 610 states and 1063 transitions. [2021-10-14 11:55:52,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:52,529 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:52,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:52,530 INFO L225 Difference]: With dead ends: 610 [2021-10-14 11:55:52,530 INFO L226 Difference]: Without dead ends: 579 [2021-10-14 11:55:52,530 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 417.5ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:52,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2021-10-14 11:55:52,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2021-10-14 11:55:52,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 576 states have (on average 1.7916666666666667) internal successors, (1032), 578 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:52,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 1032 transitions. [2021-10-14 11:55:52,535 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 1032 transitions. Word has length 70 [2021-10-14 11:55:52,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:52,535 INFO L470 AbstractCegarLoop]: Abstraction has 579 states and 1032 transitions. [2021-10-14 11:55:52,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:52,535 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 1032 transitions. [2021-10-14 11:55:52,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:52,536 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:52,536 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:52,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-10-14 11:55:52,536 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:52,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:52,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1575096530, now seen corresponding path program 49 times [2021-10-14 11:55:52,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:52,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116098127] [2021-10-14 11:55:52,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:52,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:52,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:52,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:52,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116098127] [2021-10-14 11:55:52,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116098127] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:52,755 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:52,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:52,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981113387] [2021-10-14 11:55:52,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:52,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:52,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:52,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:52,756 INFO L87 Difference]: Start difference. First operand 579 states and 1032 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:53,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:53,182 INFO L93 Difference]: Finished difference Result 609 states and 1075 transitions. [2021-10-14 11:55:53,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:53,183 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:53,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:53,184 INFO L225 Difference]: With dead ends: 609 [2021-10-14 11:55:53,184 INFO L226 Difference]: Without dead ends: 578 [2021-10-14 11:55:53,184 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 371.3ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:53,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2021-10-14 11:55:53,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 578. [2021-10-14 11:55:53,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 575 states have (on average 1.791304347826087) internal successors, (1030), 577 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:53,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 1030 transitions. [2021-10-14 11:55:53,189 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 1030 transitions. Word has length 70 [2021-10-14 11:55:53,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:53,189 INFO L470 AbstractCegarLoop]: Abstraction has 578 states and 1030 transitions. [2021-10-14 11:55:53,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:53,189 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 1030 transitions. [2021-10-14 11:55:53,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-14 11:55:53,190 INFO L504 BasicCegarLoop]: Found error trace [2021-10-14 11:55:53,190 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 11:55:53,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-10-14 11:55:53,190 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-14 11:55:53,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 11:55:53,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1108955904, now seen corresponding path program 50 times [2021-10-14 11:55:53,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 11:55:53,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360405857] [2021-10-14 11:55:53,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 11:55:53,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 11:55:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 11:55:53,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 11:55:53,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 11:55:53,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360405857] [2021-10-14 11:55:53,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360405857] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 11:55:53,414 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 11:55:53,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-14 11:55:53,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303023265] [2021-10-14 11:55:53,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-14 11:55:53,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 11:55:53,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-14 11:55:53,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-14 11:55:53,415 INFO L87 Difference]: Start difference. First operand 578 states and 1030 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:53,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-14 11:55:53,781 INFO L93 Difference]: Finished difference Result 130 states and 194 transitions. [2021-10-14 11:55:53,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-14 11:55:53,781 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-14 11:55:53,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-14 11:55:53,782 INFO L225 Difference]: With dead ends: 130 [2021-10-14 11:55:53,782 INFO L226 Difference]: Without dead ends: 0 [2021-10-14 11:55:53,782 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 343.6ms TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-10-14 11:55:53,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-14 11:55:53,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-14 11:55:53,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:53,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-14 11:55:53,782 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2021-10-14 11:55:53,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-14 11:55:53,783 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-14 11:55:53,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 11:55:53,783 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-14 11:55:53,783 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-14 11:55:53,785 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-14 11:55:53,785 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-14 11:55:53,786 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-14 11:55:53,786 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-14 11:55:53,786 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-14 11:55:53,786 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-14 11:55:53,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-10-14 11:55:53,791 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-14 11:55:53,791 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-14 11:55:53,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:55:53 BasicIcfg [2021-10-14 11:55:53,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-14 11:55:53,794 INFO L168 Benchmark]: Toolchain (without parser) took 41185.51 ms. Allocated memory was 184.5 MB in the beginning and 267.4 MB in the end (delta: 82.8 MB). Free memory was 163.3 MB in the beginning and 193.7 MB in the end (delta: -30.5 MB). Peak memory consumption was 52.8 MB. Max. memory is 8.0 GB. [2021-10-14 11:55:53,794 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 184.5 MB. Free memory was 150.8 MB in the beginning and 150.7 MB in the end (delta: 60.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-14 11:55:53,794 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.93 ms. Allocated memory is still 184.5 MB. Free memory was 162.8 MB in the beginning and 134.6 MB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 8.0 GB. [2021-10-14 11:55:53,794 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.80 ms. Allocated memory is still 184.5 MB. Free memory was 134.2 MB in the beginning and 131.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-14 11:55:53,795 INFO L168 Benchmark]: Boogie Preprocessor took 52.25 ms. Allocated memory is still 184.5 MB. Free memory was 131.7 MB in the beginning and 130.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-14 11:55:53,795 INFO L168 Benchmark]: RCFGBuilder took 407.40 ms. Allocated memory is still 184.5 MB. Free memory was 129.7 MB in the beginning and 116.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-14 11:55:53,795 INFO L168 Benchmark]: TraceAbstraction took 39967.09 ms. Allocated memory was 184.5 MB in the beginning and 267.4 MB in the end (delta: 82.8 MB). Free memory was 115.7 MB in the beginning and 193.7 MB in the end (delta: -78.0 MB). Peak memory consumption was 6.4 MB. Max. memory is 8.0 GB. [2021-10-14 11:55:53,796 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 184.5 MB. Free memory was 150.8 MB in the beginning and 150.7 MB in the end (delta: 60.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 678.93 ms. Allocated memory is still 184.5 MB. Free memory was 162.8 MB in the beginning and 134.6 MB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 71.80 ms. Allocated memory is still 184.5 MB. Free memory was 134.2 MB in the beginning and 131.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 52.25 ms. Allocated memory is still 184.5 MB. Free memory was 131.7 MB in the beginning and 130.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 407.40 ms. Allocated memory is still 184.5 MB. Free memory was 129.7 MB in the beginning and 116.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 39967.09 ms. Allocated memory was 184.5 MB in the beginning and 267.4 MB in the end (delta: 82.8 MB). Free memory was 115.7 MB in the beginning and 193.7 MB in the end (delta: -78.0 MB). Peak memory consumption was 6.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1237]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1222]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1228]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1228]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 140 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 39841.3ms, OverallIterations: 54, TraceHistogramMax: 1, EmptinessCheckTime: 76.3ms, AutomataDifference: 25543.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 86.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 7326 SDtfs, 22686 SDslu, 35040 SDs, 0 SdLazy, 14213 SolverSat, 456 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8367.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 967 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 813 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 948 ImplicationChecksByTransitivity, 18570.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1149occurred in iteration=0, InterpolantAutomatonStates: 571, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 811.0ms AutomataMinimizationTime, 54 MinimizatonAttempts, 20935 StatesRemovedByMinimization, 36 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 101.4ms SsaConstructionTime, 435.7ms SatisfiabilityAnalysisTime, 12282.3ms InterpolantComputationTime, 3654 NumberOfCodeBlocks, 3654 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 3600 ConstructedInterpolants, 0 QuantifiedInterpolants, 17230 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 54 InterpolantComputations, 54 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-14 11:55:53,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...