/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_13-equ_proc_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 22:46:42,673 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-16 22:46:42,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 22:46:42,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 22:46:42,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 22:46:42,785 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 [2021-10-16 22:46:42,807 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 22:46:42,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 22:46:42,807 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 22:46:42,808 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 22:46:42,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 22:46:42,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 22:46:42,809 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 22:46:42,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 22:46:42,809 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 22:46:42,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 22:46:42,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 22:46:42,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 22:46:42,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 22:46:42,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 22:46:42,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 22:46:42,810 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 22:46:42,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 22:46:42,810 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 22:46:42,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 22:46:42,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 22:46:42,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 22:46:42,811 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 22:46:42,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 22:46:42,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:46:42,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 22:46:42,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 22:46:42,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 22:46:42,811 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 22:46:42,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 22:46:42,811 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 22:46:42,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 22:46:42,811 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 22:46:43,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 22:46:43,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 22:46:43,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 22:46:43,027 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 22:46:43,027 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 22:46:43,028 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_13-equ_proc_nr.i [2021-10-16 22:46:43,083 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d599116c/bc2a2bab08fd439a90575c1996d20f69/FLAG4aa8c67ac [2021-10-16 22:46:43,519 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 22:46:43,519 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_13-equ_proc_nr.i [2021-10-16 22:46:43,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d599116c/bc2a2bab08fd439a90575c1996d20f69/FLAG4aa8c67ac [2021-10-16 22:46:44,055 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d599116c/bc2a2bab08fd439a90575c1996d20f69 [2021-10-16 22:46:44,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 22:46:44,058 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 22:46:44,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 22:46:44,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 22:46:44,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 22:46:44,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:46:44" (1/1) ... [2021-10-16 22:46:44,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@755fa48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:44, skipping insertion in model container [2021-10-16 22:46:44,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:46:44" (1/1) ... [2021-10-16 22:46:44,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 22:46:44,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 22:46:44,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:46:44,412 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 22:46:44,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:46:44,474 INFO L208 MainTranslator]: Completed translation [2021-10-16 22:46:44,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:44 WrapperNode [2021-10-16 22:46:44,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 22:46:44,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 22:46:44,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 22:46:44,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 22:46:44,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:44" (1/1) ... [2021-10-16 22:46:44,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:44" (1/1) ... [2021-10-16 22:46:44,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 22:46:44,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 22:46:44,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 22:46:44,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 22:46:44,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:44" (1/1) ... [2021-10-16 22:46:44,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:44" (1/1) ... [2021-10-16 22:46:44,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:44" (1/1) ... [2021-10-16 22:46:44,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:44" (1/1) ... [2021-10-16 22:46:44,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:44" (1/1) ... [2021-10-16 22:46:44,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:44" (1/1) ... [2021-10-16 22:46:44,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:44" (1/1) ... [2021-10-16 22:46:44,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 22:46:44,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 22:46:44,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 22:46:44,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 22:46:44,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:44" (1/1) ... [2021-10-16 22:46:44,535 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:46:44,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 22:46:44,558 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) [2021-10-16 22:46:44,565 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 [2021-10-16 22:46:44,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 22:46:44,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 22:46:44,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 22:46:44,591 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-16 22:46:44,592 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-16 22:46:44,592 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-16 22:46:44,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 22:46:44,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 22:46:44,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 22:46:44,593 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 22:46:44,846 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 22:46:44,846 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-16 22:46:44,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:46:44 BoogieIcfgContainer [2021-10-16 22:46:44,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 22:46:44,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 22:46:44,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 22:46:44,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 22:46:44,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 10:46:44" (1/3) ... [2021-10-16 22:46:44,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a0bfc3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:46:44, skipping insertion in model container [2021-10-16 22:46:44,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:44" (2/3) ... [2021-10-16 22:46:44,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a0bfc3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:46:44, skipping insertion in model container [2021-10-16 22:46:44,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:46:44" (3/3) ... [2021-10-16 22:46:44,855 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_13-equ_proc_nr.i [2021-10-16 22:46:44,858 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-16 22:46:44,858 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 22:46:44,859 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-16 22:46:44,859 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 22:46:44,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,879 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,879 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,879 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,880 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,891 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,891 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:44,895 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-16 22:46:44,936 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 22:46:44,941 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 [2021-10-16 22:46:44,941 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-16 22:46:44,951 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 79 places, 76 transitions, 157 flow [2021-10-16 22:46:44,985 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 365 states, 362 states have (on average 1.8093922651933703) internal successors, (655), 364 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:44,989 INFO L276 IsEmpty]: Start isEmpty. Operand has 365 states, 362 states have (on average 1.8093922651933703) internal successors, (655), 364 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:44,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-16 22:46:44,996 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:44,996 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:44,997 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:45,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:45,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1766785465, now seen corresponding path program 1 times [2021-10-16 22:46:45,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:45,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897802201] [2021-10-16 22:46:45,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:45,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:45,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:45,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:45,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897802201] [2021-10-16 22:46:45,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897802201] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:45,314 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:45,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:46:45,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683560735] [2021-10-16 22:46:45,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:46:45,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:45,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:46:45,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:45,334 INFO L87 Difference]: Start difference. First operand has 365 states, 362 states have (on average 1.8093922651933703) internal successors, (655), 364 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:45,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:45,552 INFO L93 Difference]: Finished difference Result 412 states and 736 transitions. [2021-10-16 22:46:45,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:46:45,553 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-10-16 22:46:45,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:45,569 INFO L225 Difference]: With dead ends: 412 [2021-10-16 22:46:45,569 INFO L226 Difference]: Without dead ends: 332 [2021-10-16 22:46:45,571 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.7ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:45,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-10-16 22:46:45,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 327. [2021-10-16 22:46:45,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 324 states have (on average 1.7746913580246915) internal successors, (575), 326 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:45,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 575 transitions. [2021-10-16 22:46:45,650 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 575 transitions. Word has length 46 [2021-10-16 22:46:45,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:45,651 INFO L470 AbstractCegarLoop]: Abstraction has 327 states and 575 transitions. [2021-10-16 22:46:45,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:45,651 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 575 transitions. [2021-10-16 22:46:45,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-16 22:46:45,654 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:45,654 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:45,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 22:46:45,654 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:45,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:45,658 INFO L82 PathProgramCache]: Analyzing trace with hash 745087711, now seen corresponding path program 1 times [2021-10-16 22:46:45,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:45,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029202714] [2021-10-16 22:46:45,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:45,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:45,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:45,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:45,792 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029202714] [2021-10-16 22:46:45,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029202714] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:45,795 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:45,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:46:45,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242895446] [2021-10-16 22:46:45,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:46:45,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:45,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:46:45,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:45,799 INFO L87 Difference]: Start difference. First operand 327 states and 575 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:45,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:45,867 INFO L93 Difference]: Finished difference Result 364 states and 639 transitions. [2021-10-16 22:46:45,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:46:45,868 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-10-16 22:46:45,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:45,870 INFO L225 Difference]: With dead ends: 364 [2021-10-16 22:46:45,870 INFO L226 Difference]: Without dead ends: 294 [2021-10-16 22:46:45,871 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.5ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:45,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-10-16 22:46:45,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 290. [2021-10-16 22:46:45,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 287 states have (on average 1.7317073170731707) internal successors, (497), 289 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:45,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 497 transitions. [2021-10-16 22:46:45,881 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 497 transitions. Word has length 50 [2021-10-16 22:46:45,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:45,881 INFO L470 AbstractCegarLoop]: Abstraction has 290 states and 497 transitions. [2021-10-16 22:46:45,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:45,882 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 497 transitions. [2021-10-16 22:46:45,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-16 22:46:45,883 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:45,883 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:45,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 22:46:45,883 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:45,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:45,884 INFO L82 PathProgramCache]: Analyzing trace with hash -723751978, now seen corresponding path program 1 times [2021-10-16 22:46:45,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:45,884 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729278158] [2021-10-16 22:46:45,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:45,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:46,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:46,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:46,132 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729278158] [2021-10-16 22:46:46,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729278158] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:46,134 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:46,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-16 22:46:46,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243577898] [2021-10-16 22:46:46,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-16 22:46:46,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:46,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-16 22:46:46,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-10-16 22:46:46,136 INFO L87 Difference]: Start difference. First operand 290 states and 497 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:46,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:46,363 INFO L93 Difference]: Finished difference Result 348 states and 583 transitions. [2021-10-16 22:46:46,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-16 22:46:46,364 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-16 22:46:46,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:46,366 INFO L225 Difference]: With dead ends: 348 [2021-10-16 22:46:46,366 INFO L226 Difference]: Without dead ends: 289 [2021-10-16 22:46:46,366 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 162.9ms TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2021-10-16 22:46:46,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2021-10-16 22:46:46,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2021-10-16 22:46:46,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 286 states have (on average 1.7307692307692308) internal successors, (495), 288 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:46,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 495 transitions. [2021-10-16 22:46:46,371 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 495 transitions. Word has length 56 [2021-10-16 22:46:46,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:46,371 INFO L470 AbstractCegarLoop]: Abstraction has 289 states and 495 transitions. [2021-10-16 22:46:46,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:46,372 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 495 transitions. [2021-10-16 22:46:46,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-16 22:46:46,373 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:46,373 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:46,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 22:46:46,373 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:46,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:46,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1491591312, now seen corresponding path program 1 times [2021-10-16 22:46:46,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:46,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878527970] [2021-10-16 22:46:46,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:46,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:46,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:46,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:46,529 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878527970] [2021-10-16 22:46:46,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878527970] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:46,530 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:46,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:46,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360977804] [2021-10-16 22:46:46,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:46,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:46,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:46,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:46,531 INFO L87 Difference]: Start difference. First operand 289 states and 495 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:46,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:46,855 INFO L93 Difference]: Finished difference Result 275 states and 468 transitions. [2021-10-16 22:46:46,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-16 22:46:46,855 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-16 22:46:46,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:46,857 INFO L225 Difference]: With dead ends: 275 [2021-10-16 22:46:46,857 INFO L226 Difference]: Without dead ends: 245 [2021-10-16 22:46:46,857 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 181.3ms TimeCoverageRelationStatistics Valid=155, Invalid=351, Unknown=0, NotChecked=0, Total=506 [2021-10-16 22:46:46,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2021-10-16 22:46:46,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 226. [2021-10-16 22:46:46,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.6888888888888889) internal successors, (380), 225 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:46,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 380 transitions. [2021-10-16 22:46:46,861 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 380 transitions. Word has length 56 [2021-10-16 22:46:46,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:46,861 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 380 transitions. [2021-10-16 22:46:46,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:46,861 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 380 transitions. [2021-10-16 22:46:46,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-16 22:46:46,862 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:46,862 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:46,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 22:46:46,862 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:46,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:46,863 INFO L82 PathProgramCache]: Analyzing trace with hash 416216512, now seen corresponding path program 1 times [2021-10-16 22:46:46,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:46,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819502959] [2021-10-16 22:46:46,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:46,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:47,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:47,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:47,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819502959] [2021-10-16 22:46:47,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819502959] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:47,016 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:47,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:47,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693807848] [2021-10-16 22:46:47,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:47,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:47,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:47,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:47,017 INFO L87 Difference]: Start difference. First operand 226 states and 380 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:47,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:47,370 INFO L93 Difference]: Finished difference Result 286 states and 481 transitions. [2021-10-16 22:46:47,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-16 22:46:47,371 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-16 22:46:47,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:47,371 INFO L225 Difference]: With dead ends: 286 [2021-10-16 22:46:47,371 INFO L226 Difference]: Without dead ends: 178 [2021-10-16 22:46:47,372 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 216.7ms TimeCoverageRelationStatistics Valid=214, Invalid=488, Unknown=0, NotChecked=0, Total=702 [2021-10-16 22:46:47,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2021-10-16 22:46:47,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2021-10-16 22:46:47,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 177 states have (on average 1.6214689265536724) internal successors, (287), 177 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:47,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 287 transitions. [2021-10-16 22:46:47,374 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 287 transitions. Word has length 56 [2021-10-16 22:46:47,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:47,375 INFO L470 AbstractCegarLoop]: Abstraction has 178 states and 287 transitions. [2021-10-16 22:46:47,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:47,375 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 287 transitions. [2021-10-16 22:46:47,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-16 22:46:47,375 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:47,375 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:47,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-16 22:46:47,376 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:47,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:47,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1534121272, now seen corresponding path program 2 times [2021-10-16 22:46:47,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:47,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523718389] [2021-10-16 22:46:47,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:47,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:47,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:47,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:47,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523718389] [2021-10-16 22:46:47,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523718389] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:47,518 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:47,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:47,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097741315] [2021-10-16 22:46:47,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:47,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:47,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:47,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:47,519 INFO L87 Difference]: Start difference. First operand 178 states and 287 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:47,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:47,797 INFO L93 Difference]: Finished difference Result 213 states and 336 transitions. [2021-10-16 22:46:47,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-16 22:46:47,797 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-16 22:46:47,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:47,798 INFO L225 Difference]: With dead ends: 213 [2021-10-16 22:46:47,798 INFO L226 Difference]: Without dead ends: 196 [2021-10-16 22:46:47,799 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 183.3ms TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2021-10-16 22:46:47,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-10-16 22:46:47,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 184. [2021-10-16 22:46:47,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 183 states have (on average 1.6229508196721312) internal successors, (297), 183 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:47,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 297 transitions. [2021-10-16 22:46:47,801 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 297 transitions. Word has length 56 [2021-10-16 22:46:47,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:47,802 INFO L470 AbstractCegarLoop]: Abstraction has 184 states and 297 transitions. [2021-10-16 22:46:47,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:47,802 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 297 transitions. [2021-10-16 22:46:47,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-16 22:46:47,802 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:47,802 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:47,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-16 22:46:47,803 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:47,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:47,803 INFO L82 PathProgramCache]: Analyzing trace with hash -432978458, now seen corresponding path program 3 times [2021-10-16 22:46:47,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:47,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809460660] [2021-10-16 22:46:47,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:47,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:47,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:47,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:47,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809460660] [2021-10-16 22:46:47,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809460660] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:47,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:47,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:47,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038179288] [2021-10-16 22:46:47,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:47,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:47,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:47,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:47,969 INFO L87 Difference]: Start difference. First operand 184 states and 297 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:48,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:48,310 INFO L93 Difference]: Finished difference Result 226 states and 361 transitions. [2021-10-16 22:46:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-16 22:46:48,310 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-16 22:46:48,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:48,311 INFO L225 Difference]: With dead ends: 226 [2021-10-16 22:46:48,311 INFO L226 Difference]: Without dead ends: 194 [2021-10-16 22:46:48,311 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 250.7ms TimeCoverageRelationStatistics Valid=200, Invalid=450, Unknown=0, NotChecked=0, Total=650 [2021-10-16 22:46:48,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-10-16 22:46:48,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 182. [2021-10-16 22:46:48,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 181 states have (on average 1.6187845303867403) internal successors, (293), 181 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:48,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 293 transitions. [2021-10-16 22:46:48,314 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 293 transitions. Word has length 56 [2021-10-16 22:46:48,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:48,314 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 293 transitions. [2021-10-16 22:46:48,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:48,315 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 293 transitions. [2021-10-16 22:46:48,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-16 22:46:48,315 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:48,315 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:48,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-16 22:46:48,315 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:48,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:48,316 INFO L82 PathProgramCache]: Analyzing trace with hash -424653414, now seen corresponding path program 4 times [2021-10-16 22:46:48,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:48,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470390819] [2021-10-16 22:46:48,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:48,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:48,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:48,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:48,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470390819] [2021-10-16 22:46:48,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470390819] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:48,486 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:48,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:48,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61716476] [2021-10-16 22:46:48,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:48,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:48,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:48,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:48,487 INFO L87 Difference]: Start difference. First operand 182 states and 293 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:48,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:48,881 INFO L93 Difference]: Finished difference Result 239 states and 386 transitions. [2021-10-16 22:46:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-16 22:46:48,882 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-16 22:46:48,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:48,887 INFO L225 Difference]: With dead ends: 239 [2021-10-16 22:46:48,887 INFO L226 Difference]: Without dead ends: 192 [2021-10-16 22:46:48,888 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 258.2ms TimeCoverageRelationStatistics Valid=194, Invalid=456, Unknown=0, NotChecked=0, Total=650 [2021-10-16 22:46:48,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2021-10-16 22:46:48,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 180. [2021-10-16 22:46:48,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 179 states have (on average 1.6145251396648044) internal successors, (289), 179 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:48,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 289 transitions. [2021-10-16 22:46:48,892 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 289 transitions. Word has length 56 [2021-10-16 22:46:48,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:48,892 INFO L470 AbstractCegarLoop]: Abstraction has 180 states and 289 transitions. [2021-10-16 22:46:48,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:48,892 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 289 transitions. [2021-10-16 22:46:48,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-16 22:46:48,893 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:48,893 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:48,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-16 22:46:48,893 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:48,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:48,894 INFO L82 PathProgramCache]: Analyzing trace with hash 688729604, now seen corresponding path program 5 times [2021-10-16 22:46:48,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:48,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542413572] [2021-10-16 22:46:48,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:48,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:49,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:49,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:49,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542413572] [2021-10-16 22:46:49,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542413572] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:49,051 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:49,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:49,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071315264] [2021-10-16 22:46:49,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:49,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:49,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:49,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:49,052 INFO L87 Difference]: Start difference. First operand 180 states and 289 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:49,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:49,418 INFO L93 Difference]: Finished difference Result 240 states and 390 transitions. [2021-10-16 22:46:49,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-16 22:46:49,419 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-16 22:46:49,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:49,420 INFO L225 Difference]: With dead ends: 240 [2021-10-16 22:46:49,420 INFO L226 Difference]: Without dead ends: 166 [2021-10-16 22:46:49,420 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 261.4ms TimeCoverageRelationStatistics Valid=211, Invalid=491, Unknown=0, NotChecked=0, Total=702 [2021-10-16 22:46:49,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-10-16 22:46:49,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2021-10-16 22:46:49,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 165 states have (on average 1.593939393939394) internal successors, (263), 165 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:49,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 263 transitions. [2021-10-16 22:46:49,423 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 263 transitions. Word has length 56 [2021-10-16 22:46:49,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:49,423 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 263 transitions. [2021-10-16 22:46:49,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:49,423 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 263 transitions. [2021-10-16 22:46:49,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-16 22:46:49,423 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:49,423 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:49,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-16 22:46:49,424 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:49,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:49,424 INFO L82 PathProgramCache]: Analyzing trace with hash -552832144, now seen corresponding path program 6 times [2021-10-16 22:46:49,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:49,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847915414] [2021-10-16 22:46:49,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:49,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:49,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:49,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:49,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847915414] [2021-10-16 22:46:49,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847915414] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:49,593 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:49,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:49,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296654811] [2021-10-16 22:46:49,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:49,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:49,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:49,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:49,595 INFO L87 Difference]: Start difference. First operand 166 states and 263 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:49,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:49,945 INFO L93 Difference]: Finished difference Result 196 states and 302 transitions. [2021-10-16 22:46:49,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-16 22:46:49,945 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-16 22:46:49,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:49,946 INFO L225 Difference]: With dead ends: 196 [2021-10-16 22:46:49,946 INFO L226 Difference]: Without dead ends: 179 [2021-10-16 22:46:49,946 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 252.4ms TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2021-10-16 22:46:49,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2021-10-16 22:46:49,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 170. [2021-10-16 22:46:49,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 169 states have (on average 1.5917159763313609) internal successors, (269), 169 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:49,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 269 transitions. [2021-10-16 22:46:49,949 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 269 transitions. Word has length 56 [2021-10-16 22:46:49,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:49,949 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 269 transitions. [2021-10-16 22:46:49,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:49,949 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 269 transitions. [2021-10-16 22:46:49,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-16 22:46:49,950 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:49,950 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:49,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-16 22:46:49,950 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:49,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:49,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1657489468, now seen corresponding path program 7 times [2021-10-16 22:46:49,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:49,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211706909] [2021-10-16 22:46:49,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:49,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:50,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:50,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:50,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211706909] [2021-10-16 22:46:50,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211706909] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:50,082 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:50,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:50,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321199714] [2021-10-16 22:46:50,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:50,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:50,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:50,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:50,083 INFO L87 Difference]: Start difference. First operand 170 states and 269 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:50,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:50,506 INFO L93 Difference]: Finished difference Result 209 states and 327 transitions. [2021-10-16 22:46:50,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-16 22:46:50,507 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-16 22:46:50,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:50,508 INFO L225 Difference]: With dead ends: 209 [2021-10-16 22:46:50,508 INFO L226 Difference]: Without dead ends: 177 [2021-10-16 22:46:50,508 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 281.7ms TimeCoverageRelationStatistics Valid=198, Invalid=452, Unknown=0, NotChecked=0, Total=650 [2021-10-16 22:46:50,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2021-10-16 22:46:50,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 168. [2021-10-16 22:46:50,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 167 states have (on average 1.5868263473053892) internal successors, (265), 167 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:50,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 265 transitions. [2021-10-16 22:46:50,511 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 265 transitions. Word has length 56 [2021-10-16 22:46:50,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:50,511 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 265 transitions. [2021-10-16 22:46:50,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:50,511 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 265 transitions. [2021-10-16 22:46:50,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-16 22:46:50,511 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:50,511 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:50,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-16 22:46:50,512 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:50,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:50,512 INFO L82 PathProgramCache]: Analyzing trace with hash 172053040, now seen corresponding path program 8 times [2021-10-16 22:46:50,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:50,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503204547] [2021-10-16 22:46:50,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:50,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:50,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:50,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:50,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503204547] [2021-10-16 22:46:50,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503204547] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:50,642 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:50,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:50,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305772995] [2021-10-16 22:46:50,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:50,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:50,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:50,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:50,643 INFO L87 Difference]: Start difference. First operand 168 states and 265 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:51,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:51,030 INFO L93 Difference]: Finished difference Result 222 states and 352 transitions. [2021-10-16 22:46:51,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-16 22:46:51,030 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-16 22:46:51,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:51,031 INFO L225 Difference]: With dead ends: 222 [2021-10-16 22:46:51,031 INFO L226 Difference]: Without dead ends: 175 [2021-10-16 22:46:51,031 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 268.8ms TimeCoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2021-10-16 22:46:51,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-10-16 22:46:51,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 166. [2021-10-16 22:46:51,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 165 states have (on average 1.5818181818181818) internal successors, (261), 165 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:51,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 261 transitions. [2021-10-16 22:46:51,034 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 261 transitions. Word has length 56 [2021-10-16 22:46:51,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:51,034 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 261 transitions. [2021-10-16 22:46:51,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:51,034 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 261 transitions. [2021-10-16 22:46:51,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-16 22:46:51,034 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:51,035 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:51,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-16 22:46:51,035 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:51,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:51,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1641662204, now seen corresponding path program 9 times [2021-10-16 22:46:51,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:51,035 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735339130] [2021-10-16 22:46:51,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:51,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:51,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:51,194 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:51,194 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735339130] [2021-10-16 22:46:51,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735339130] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:51,195 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:51,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:51,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536026689] [2021-10-16 22:46:51,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:51,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:51,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:51,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:51,196 INFO L87 Difference]: Start difference. First operand 166 states and 261 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:51,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:51,578 INFO L93 Difference]: Finished difference Result 211 states and 333 transitions. [2021-10-16 22:46:51,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-16 22:46:51,579 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-16 22:46:51,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:51,579 INFO L225 Difference]: With dead ends: 211 [2021-10-16 22:46:51,579 INFO L226 Difference]: Without dead ends: 149 [2021-10-16 22:46:51,580 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 266.4ms TimeCoverageRelationStatistics Valid=195, Invalid=455, Unknown=0, NotChecked=0, Total=650 [2021-10-16 22:46:51,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2021-10-16 22:46:51,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2021-10-16 22:46:51,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 148 states have (on average 1.5472972972972974) internal successors, (229), 148 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:51,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 229 transitions. [2021-10-16 22:46:51,583 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 229 transitions. Word has length 56 [2021-10-16 22:46:51,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:51,583 INFO L470 AbstractCegarLoop]: Abstraction has 149 states and 229 transitions. [2021-10-16 22:46:51,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:51,583 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 229 transitions. [2021-10-16 22:46:51,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-16 22:46:51,584 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:51,584 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:51,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-16 22:46:51,584 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:51,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:51,584 INFO L82 PathProgramCache]: Analyzing trace with hash -531825936, now seen corresponding path program 10 times [2021-10-16 22:46:51,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:51,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184905456] [2021-10-16 22:46:51,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:51,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:51,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:51,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:51,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184905456] [2021-10-16 22:46:51,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184905456] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:51,725 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:51,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:51,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857328972] [2021-10-16 22:46:51,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:51,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:51,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:51,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:51,726 INFO L87 Difference]: Start difference. First operand 149 states and 229 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:52,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:52,017 INFO L93 Difference]: Finished difference Result 174 states and 258 transitions. [2021-10-16 22:46:52,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-16 22:46:52,017 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-16 22:46:52,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:52,018 INFO L225 Difference]: With dead ends: 174 [2021-10-16 22:46:52,018 INFO L226 Difference]: Without dead ends: 157 [2021-10-16 22:46:52,018 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 223.5ms TimeCoverageRelationStatistics Valid=167, Invalid=385, Unknown=0, NotChecked=0, Total=552 [2021-10-16 22:46:52,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-10-16 22:46:52,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 151. [2021-10-16 22:46:52,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 150 states have (on average 1.54) internal successors, (231), 150 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:52,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 231 transitions. [2021-10-16 22:46:52,021 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 231 transitions. Word has length 56 [2021-10-16 22:46:52,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:52,021 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 231 transitions. [2021-10-16 22:46:52,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:52,021 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 231 transitions. [2021-10-16 22:46:52,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-16 22:46:52,021 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:52,021 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:52,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-16 22:46:52,022 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:52,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:52,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1636483260, now seen corresponding path program 11 times [2021-10-16 22:46:52,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:52,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102583722] [2021-10-16 22:46:52,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:52,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:52,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:52,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:52,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102583722] [2021-10-16 22:46:52,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102583722] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:52,159 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:52,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:52,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829734212] [2021-10-16 22:46:52,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:52,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:52,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:52,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:52,160 INFO L87 Difference]: Start difference. First operand 151 states and 231 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:52,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:52,561 INFO L93 Difference]: Finished difference Result 187 states and 283 transitions. [2021-10-16 22:46:52,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-16 22:46:52,562 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-16 22:46:52,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:52,562 INFO L225 Difference]: With dead ends: 187 [2021-10-16 22:46:52,563 INFO L226 Difference]: Without dead ends: 155 [2021-10-16 22:46:52,563 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 298.8ms TimeCoverageRelationStatistics Valid=198, Invalid=452, Unknown=0, NotChecked=0, Total=650 [2021-10-16 22:46:52,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-10-16 22:46:52,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 149. [2021-10-16 22:46:52,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 148 states have (on average 1.5337837837837838) internal successors, (227), 148 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:52,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 227 transitions. [2021-10-16 22:46:52,565 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 227 transitions. Word has length 56 [2021-10-16 22:46:52,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:52,565 INFO L470 AbstractCegarLoop]: Abstraction has 149 states and 227 transitions. [2021-10-16 22:46:52,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:52,566 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 227 transitions. [2021-10-16 22:46:52,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-16 22:46:52,566 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:52,566 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:52,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-16 22:46:52,566 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:52,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:52,567 INFO L82 PathProgramCache]: Analyzing trace with hash 193059248, now seen corresponding path program 12 times [2021-10-16 22:46:52,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:52,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835344227] [2021-10-16 22:46:52,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:52,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:52,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:52,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:52,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835344227] [2021-10-16 22:46:52,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835344227] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:52,708 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:52,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:52,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803745425] [2021-10-16 22:46:52,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:52,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:52,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:52,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:52,709 INFO L87 Difference]: Start difference. First operand 149 states and 227 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:53,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:53,072 INFO L93 Difference]: Finished difference Result 179 states and 270 transitions. [2021-10-16 22:46:53,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-16 22:46:53,073 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-16 22:46:53,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:53,073 INFO L225 Difference]: With dead ends: 179 [2021-10-16 22:46:53,073 INFO L226 Difference]: Without dead ends: 132 [2021-10-16 22:46:53,074 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 251.0ms TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2021-10-16 22:46:53,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-10-16 22:46:53,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2021-10-16 22:46:53,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.4885496183206106) internal successors, (195), 131 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:53,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 195 transitions. [2021-10-16 22:46:53,076 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 195 transitions. Word has length 56 [2021-10-16 22:46:53,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:53,076 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 195 transitions. [2021-10-16 22:46:53,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:53,076 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 195 transitions. [2021-10-16 22:46:53,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-16 22:46:53,076 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:53,077 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:53,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-16 22:46:53,077 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:53,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:53,077 INFO L82 PathProgramCache]: Analyzing trace with hash 629196178, now seen corresponding path program 13 times [2021-10-16 22:46:53,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:53,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028508119] [2021-10-16 22:46:53,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:53,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:53,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:53,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:53,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028508119] [2021-10-16 22:46:53,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028508119] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:53,210 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:53,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:53,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586552050] [2021-10-16 22:46:53,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:53,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:53,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:53,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:53,212 INFO L87 Difference]: Start difference. First operand 132 states and 195 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:53,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:53,515 INFO L93 Difference]: Finished difference Result 147 states and 209 transitions. [2021-10-16 22:46:53,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-16 22:46:53,516 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-16 22:46:53,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:53,516 INFO L225 Difference]: With dead ends: 147 [2021-10-16 22:46:53,516 INFO L226 Difference]: Without dead ends: 125 [2021-10-16 22:46:53,517 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 246.3ms TimeCoverageRelationStatistics Valid=187, Invalid=413, Unknown=0, NotChecked=0, Total=600 [2021-10-16 22:46:53,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-10-16 22:46:53,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2021-10-16 22:46:53,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 124 states have (on average 1.4596774193548387) internal successors, (181), 124 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:53,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 181 transitions. [2021-10-16 22:46:53,519 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 181 transitions. Word has length 56 [2021-10-16 22:46:53,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:53,519 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 181 transitions. [2021-10-16 22:46:53,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:53,519 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 181 transitions. [2021-10-16 22:46:53,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-16 22:46:53,519 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:53,519 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:53,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-16 22:46:53,519 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:53,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:53,520 INFO L82 PathProgramCache]: Analyzing trace with hash -475461146, now seen corresponding path program 14 times [2021-10-16 22:46:53,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:53,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582122296] [2021-10-16 22:46:53,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:53,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:53,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:53,651 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:53,651 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582122296] [2021-10-16 22:46:53,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582122296] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:53,651 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:53,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:53,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109395426] [2021-10-16 22:46:53,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:53,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:53,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:53,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:53,652 INFO L87 Difference]: Start difference. First operand 125 states and 181 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:53,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:53,909 INFO L93 Difference]: Finished difference Result 113 states and 158 transitions. [2021-10-16 22:46:53,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-16 22:46:53,909 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-16 22:46:53,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:53,909 INFO L225 Difference]: With dead ends: 113 [2021-10-16 22:46:53,909 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 22:46:53,910 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 220.4ms TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2021-10-16 22:46:53,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 22:46:53,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 22:46:53,910 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) [2021-10-16 22:46:53,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 22:46:53,910 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-10-16 22:46:53,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:53,910 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 22:46:53,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:53,910 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 22:46:53,910 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 22:46:53,912 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:46:53,912 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 22:46:53,913 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:46:53,913 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:46:53,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-16 22:46:53,917 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 22:46:53,917 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 22:46:53,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 10:46:53 BasicIcfg [2021-10-16 22:46:53,918 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 22:46:53,919 INFO L168 Benchmark]: Toolchain (without parser) took 9860.42 ms. Allocated memory was 213.9 MB in the beginning and 326.1 MB in the end (delta: 112.2 MB). Free memory was 161.3 MB in the beginning and 145.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 129.9 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:53,919 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 213.9 MB. Free memory is still 179.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 22:46:53,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 415.37 ms. Allocated memory is still 213.9 MB. Free memory was 161.2 MB in the beginning and 173.6 MB in the end (delta: -12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:53,920 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.39 ms. Allocated memory is still 213.9 MB. Free memory was 173.6 MB in the beginning and 171.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:53,920 INFO L168 Benchmark]: Boogie Preprocessor took 15.88 ms. Allocated memory is still 213.9 MB. Free memory was 171.0 MB in the beginning and 169.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:53,920 INFO L168 Benchmark]: RCFGBuilder took 317.40 ms. Allocated memory is still 213.9 MB. Free memory was 169.4 MB in the beginning and 157.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:53,920 INFO L168 Benchmark]: TraceAbstraction took 9069.49 ms. Allocated memory was 213.9 MB in the beginning and 326.1 MB in the end (delta: 112.2 MB). Free memory was 156.8 MB in the beginning and 145.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 124.8 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:53,921 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 213.9 MB. Free memory is still 179.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 415.37 ms. Allocated memory is still 213.9 MB. Free memory was 161.2 MB in the beginning and 173.6 MB in the end (delta: -12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 38.39 ms. Allocated memory is still 213.9 MB. Free memory was 173.6 MB in the beginning and 171.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.88 ms. Allocated memory is still 213.9 MB. Free memory was 171.0 MB in the beginning and 169.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 317.40 ms. Allocated memory is still 213.9 MB. Free memory was 169.4 MB in the beginning and 157.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 9069.49 ms. Allocated memory was 213.9 MB in the beginning and 326.1 MB in the end (delta: 112.2 MB). Free memory was 156.8 MB in the beginning and 145.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 124.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 992]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 987]: 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, 93 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 8981.1ms, OverallIterations: 18, TraceHistogramMax: 1, EmptinessCheckTime: 20.2ms, AutomataDifference: 5803.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 44.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1167 SDtfs, 3600 SDslu, 3627 SDs, 0 SdLazy, 5148 SolverSat, 940 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2235.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 389 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 369 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1017 ImplicationChecksByTransitivity, 3885.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=365occurred in iteration=0, InterpolantAutomatonStates: 250, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 100.3ms AutomataMinimizationTime, 18 MinimizatonAttempts, 103 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 35.7ms SsaConstructionTime, 189.0ms SatisfiabilityAnalysisTime, 2548.8ms InterpolantComputationTime, 992 NumberOfCodeBlocks, 992 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 974 ConstructedInterpolants, 0 QuantifiedInterpolants, 8189 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-16 22:46:53,949 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...