/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_46-escape_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-5b77e9fc37942d960732eb3788a90132329d3bc4-5b77e9f [2021-10-19 14:24:02,835 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-19 14:24:02,906 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-10-19 14:24:02,923 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-19 14:24:02,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-19 14:24:02,924 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-19 14:24:02,924 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-19 14:24:02,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-19 14:24:02,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-19 14:24:02,925 INFO L138 SettingsManager]: * Use SBE=true [2021-10-19 14:24:02,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-19 14:24:02,925 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-19 14:24:02,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-19 14:24:02,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-19 14:24:02,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-19 14:24:02,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-19 14:24:02,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-19 14:24:02,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-19 14:24:02,926 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-19 14:24:02,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-19 14:24:02,926 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-19 14:24:02,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-19 14:24:02,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-19 14:24:02,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-19 14:24:02,927 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-19 14:24:02,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-19 14:24:02,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:24:02,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-19 14:24:02,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-19 14:24:02,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-19 14:24:02,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-19 14:24:02,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-19 14:24:02,928 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-19 14:24:02,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-19 14:24:02,928 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-19 14:24:03,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-19 14:24:03,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-19 14:24:03,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-19 14:24:03,152 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-19 14:24:03,152 INFO L275 PluginConnector]: CDTParser initialized [2021-10-19 14:24:03,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_46-escape_nr.i [2021-10-19 14:24:03,202 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3bbf83ba/7f0bd339473b408ebbcfa1e884879b29/FLAGfc72398ae [2021-10-19 14:24:03,622 INFO L306 CDTParser]: Found 1 translation units. [2021-10-19 14:24:03,623 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_46-escape_nr.i [2021-10-19 14:24:03,653 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3bbf83ba/7f0bd339473b408ebbcfa1e884879b29/FLAGfc72398ae [2021-10-19 14:24:03,969 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3bbf83ba/7f0bd339473b408ebbcfa1e884879b29 [2021-10-19 14:24:03,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-19 14:24:03,971 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-19 14:24:03,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-19 14:24:03,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-19 14:24:03,979 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-19 14:24:03,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:24:03" (1/1) ... [2021-10-19 14:24:03,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@749d95d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:03, skipping insertion in model container [2021-10-19 14:24:03,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:24:03" (1/1) ... [2021-10-19 14:24:03,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-19 14:24:04,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-19 14:24:04,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:24:04,395 INFO L203 MainTranslator]: Completed pre-run [2021-10-19 14:24:04,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:24:04,483 INFO L208 MainTranslator]: Completed translation [2021-10-19 14:24:04,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:04 WrapperNode [2021-10-19 14:24:04,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-19 14:24:04,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-19 14:24:04,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-19 14:24:04,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-19 14:24:04,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:04" (1/1) ... [2021-10-19 14:24:04,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:04" (1/1) ... [2021-10-19 14:24:04,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-19 14:24:04,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-19 14:24:04,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-19 14:24:04,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-19 14:24:04,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:04" (1/1) ... [2021-10-19 14:24:04,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:04" (1/1) ... [2021-10-19 14:24:04,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:04" (1/1) ... [2021-10-19 14:24:04,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:04" (1/1) ... [2021-10-19 14:24:04,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:04" (1/1) ... [2021-10-19 14:24:04,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:04" (1/1) ... [2021-10-19 14:24:04,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:04" (1/1) ... [2021-10-19 14:24:04,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-19 14:24:04,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-19 14:24:04,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-19 14:24:04,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-19 14:24:04,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:04" (1/1) ... [2021-10-19 14:24:04,585 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:24:04,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-19 14:24:04,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-19 14:24:04,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-19 14:24:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-19 14:24:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-19 14:24:04,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-19 14:24:04,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-19 14:24:04,632 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-19 14:24:04,632 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-19 14:24:04,633 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-19 14:24:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-19 14:24:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-19 14:24:04,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-19 14:24:04,634 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-19 14:24:04,895 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-19 14:24:04,895 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-19 14:24:04,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:24:04 BoogieIcfgContainer [2021-10-19 14:24:04,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-19 14:24:04,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-19 14:24:04,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-19 14:24:04,902 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-19 14:24:04,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 02:24:03" (1/3) ... [2021-10-19 14:24:04,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31557e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:24:04, skipping insertion in model container [2021-10-19 14:24:04,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:04" (2/3) ... [2021-10-19 14:24:04,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31557e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:24:04, skipping insertion in model container [2021-10-19 14:24:04,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:24:04" (3/3) ... [2021-10-19 14:24:04,904 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_46-escape_nr.i [2021-10-19 14:24:04,907 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-19 14:24:04,908 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-19 14:24:04,908 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-10-19 14:24:04,908 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-19 14:24:04,928 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,929 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,929 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,929 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,929 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,929 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,929 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,929 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,929 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,929 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,930 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,930 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,930 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,930 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,930 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,930 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,930 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,930 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,930 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,930 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,930 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,931 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,931 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,931 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,931 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,931 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,931 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,931 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,931 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,931 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,931 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,932 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,932 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,932 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,932 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,932 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,932 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,932 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,932 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,932 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,932 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,933 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,933 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,933 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,933 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,933 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,933 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,933 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,933 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,933 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,933 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,933 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,934 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,934 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,934 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,934 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,934 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,934 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,934 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,934 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,934 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,934 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,934 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,935 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,935 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,935 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,935 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,935 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,935 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,935 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,935 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,935 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,935 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,935 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,935 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,936 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,936 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,936 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,936 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,936 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,936 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,936 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,936 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,937 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,937 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,937 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,937 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,937 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,937 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,937 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,937 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,937 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,937 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,937 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,941 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,941 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,941 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,941 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,941 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,941 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,941 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,941 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,941 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,941 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:04,946 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-19 14:24:04,973 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-19 14:24:04,976 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-19 14:24:04,977 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-10-19 14:24:04,985 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 97 places, 93 transitions, 194 flow [2021-10-19 14:24:05,038 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 883 states, 872 states have (on average 1.9277522935779816) internal successors, (1681), 882 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:05,041 INFO L276 IsEmpty]: Start isEmpty. Operand has 883 states, 872 states have (on average 1.9277522935779816) internal successors, (1681), 882 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:05,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-19 14:24:05,047 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:05,048 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:05,048 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:05,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:05,054 INFO L82 PathProgramCache]: Analyzing trace with hash 603365921, now seen corresponding path program 1 times [2021-10-19 14:24:05,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:05,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224217128] [2021-10-19 14:24:05,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:05,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:05,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:05,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:05,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224217128] [2021-10-19 14:24:05,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224217128] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:05,376 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:05,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:24:05,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575498305] [2021-10-19 14:24:05,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:24:05,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:05,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:24:05,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:05,391 INFO L87 Difference]: Start difference. First operand has 883 states, 872 states have (on average 1.9277522935779816) internal successors, (1681), 882 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:05,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:05,635 INFO L93 Difference]: Finished difference Result 964 states and 1835 transitions. [2021-10-19 14:24:05,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:24:05,637 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-19 14:24:05,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:05,664 INFO L225 Difference]: With dead ends: 964 [2021-10-19 14:24:05,664 INFO L226 Difference]: Without dead ends: 964 [2021-10-19 14:24:05,665 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.8ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:05,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2021-10-19 14:24:05,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 916. [2021-10-19 14:24:05,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 916 states, 906 states have (on average 1.923841059602649) internal successors, (1743), 915 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:05,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1743 transitions. [2021-10-19 14:24:05,744 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1743 transitions. Word has length 36 [2021-10-19 14:24:05,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:05,744 INFO L470 AbstractCegarLoop]: Abstraction has 916 states and 1743 transitions. [2021-10-19 14:24:05,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:05,745 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1743 transitions. [2021-10-19 14:24:05,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-19 14:24:05,745 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:05,746 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:05,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-19 14:24:05,746 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:05,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:05,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1160799053, now seen corresponding path program 1 times [2021-10-19 14:24:05,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:05,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947905826] [2021-10-19 14:24:05,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:05,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:05,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:05,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:05,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947905826] [2021-10-19 14:24:05,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947905826] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:05,902 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:05,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:24:05,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931272693] [2021-10-19 14:24:05,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:24:05,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:05,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:24:05,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:05,904 INFO L87 Difference]: Start difference. First operand 916 states and 1743 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:06,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:06,126 INFO L93 Difference]: Finished difference Result 1038 states and 1979 transitions. [2021-10-19 14:24:06,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:24:06,127 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-19 14:24:06,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:06,130 INFO L225 Difference]: With dead ends: 1038 [2021-10-19 14:24:06,131 INFO L226 Difference]: Without dead ends: 1038 [2021-10-19 14:24:06,131 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.2ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:06,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2021-10-19 14:24:06,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 970. [2021-10-19 14:24:06,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 970 states, 960 states have (on average 1.9239583333333334) internal successors, (1847), 969 states have internal predecessors, (1847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:06,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1847 transitions. [2021-10-19 14:24:06,163 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1847 transitions. Word has length 36 [2021-10-19 14:24:06,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:06,163 INFO L470 AbstractCegarLoop]: Abstraction has 970 states and 1847 transitions. [2021-10-19 14:24:06,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:06,163 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1847 transitions. [2021-10-19 14:24:06,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-19 14:24:06,165 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:06,165 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:06,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-19 14:24:06,165 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:06,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:06,166 INFO L82 PathProgramCache]: Analyzing trace with hash 215771541, now seen corresponding path program 1 times [2021-10-19 14:24:06,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:06,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959050465] [2021-10-19 14:24:06,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:06,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:06,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:06,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:06,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959050465] [2021-10-19 14:24:06,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959050465] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:06,281 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:06,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:24:06,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051985380] [2021-10-19 14:24:06,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:24:06,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:06,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:24:06,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:06,282 INFO L87 Difference]: Start difference. First operand 970 states and 1847 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:06,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:06,440 INFO L93 Difference]: Finished difference Result 1119 states and 2138 transitions. [2021-10-19 14:24:06,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:24:06,444 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-10-19 14:24:06,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:06,449 INFO L225 Difference]: With dead ends: 1119 [2021-10-19 14:24:06,449 INFO L226 Difference]: Without dead ends: 1119 [2021-10-19 14:24:06,449 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.9ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:06,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2021-10-19 14:24:06,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1047. [2021-10-19 14:24:06,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 1037 states have (on average 1.9257473481195757) internal successors, (1997), 1046 states have internal predecessors, (1997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:06,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1997 transitions. [2021-10-19 14:24:06,470 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1997 transitions. Word has length 44 [2021-10-19 14:24:06,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:06,471 INFO L470 AbstractCegarLoop]: Abstraction has 1047 states and 1997 transitions. [2021-10-19 14:24:06,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:06,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1997 transitions. [2021-10-19 14:24:06,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-19 14:24:06,475 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:06,475 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:06,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-19 14:24:06,475 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:06,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:06,476 INFO L82 PathProgramCache]: Analyzing trace with hash -230309934, now seen corresponding path program 1 times [2021-10-19 14:24:06,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:06,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864440691] [2021-10-19 14:24:06,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:06,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:06,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:06,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:06,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864440691] [2021-10-19 14:24:06,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864440691] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:06,574 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:06,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:24:06,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381114641] [2021-10-19 14:24:06,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:24:06,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:06,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:24:06,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:06,575 INFO L87 Difference]: Start difference. First operand 1047 states and 1997 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:06,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:06,769 INFO L93 Difference]: Finished difference Result 1236 states and 2367 transitions. [2021-10-19 14:24:06,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:24:06,770 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-10-19 14:24:06,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:06,774 INFO L225 Difference]: With dead ends: 1236 [2021-10-19 14:24:06,774 INFO L226 Difference]: Without dead ends: 1218 [2021-10-19 14:24:06,774 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.8ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:06,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2021-10-19 14:24:06,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 1125. [2021-10-19 14:24:06,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1125 states, 1115 states have (on average 1.926457399103139) internal successors, (2148), 1124 states have internal predecessors, (2148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:06,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 1125 states and 2148 transitions. [2021-10-19 14:24:06,798 INFO L78 Accepts]: Start accepts. Automaton has 1125 states and 2148 transitions. Word has length 44 [2021-10-19 14:24:06,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:06,798 INFO L470 AbstractCegarLoop]: Abstraction has 1125 states and 2148 transitions. [2021-10-19 14:24:06,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:06,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 2148 transitions. [2021-10-19 14:24:06,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-19 14:24:06,800 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:06,801 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:06,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-19 14:24:06,801 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:06,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:06,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1504625396, now seen corresponding path program 1 times [2021-10-19 14:24:06,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:06,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909617719] [2021-10-19 14:24:06,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:06,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:06,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:06,838 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:06,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909617719] [2021-10-19 14:24:06,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909617719] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:06,838 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:06,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-19 14:24:06,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273340978] [2021-10-19 14:24:06,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:24:06,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:06,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:24:06,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:24:06,839 INFO L87 Difference]: Start difference. First operand 1125 states and 2148 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 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) [2021-10-19 14:24:06,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:06,849 INFO L93 Difference]: Finished difference Result 420 states and 716 transitions. [2021-10-19 14:24:06,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:24:06,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 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 [2021-10-19 14:24:06,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:06,851 INFO L225 Difference]: With dead ends: 420 [2021-10-19 14:24:06,851 INFO L226 Difference]: Without dead ends: 420 [2021-10-19 14:24:06,851 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:24:06,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2021-10-19 14:24:06,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2021-10-19 14:24:06,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 417 states have (on average 1.7170263788968825) internal successors, (716), 419 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:06,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 716 transitions. [2021-10-19 14:24:06,859 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 716 transitions. Word has length 50 [2021-10-19 14:24:06,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:06,859 INFO L470 AbstractCegarLoop]: Abstraction has 420 states and 716 transitions. [2021-10-19 14:24:06,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 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) [2021-10-19 14:24:06,860 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 716 transitions. [2021-10-19 14:24:06,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-19 14:24:06,860 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:06,860 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:06,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-19 14:24:06,861 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:06,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:06,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1280557300, now seen corresponding path program 1 times [2021-10-19 14:24:06,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:06,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594205842] [2021-10-19 14:24:06,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:06,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:06,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:06,983 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:06,983 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594205842] [2021-10-19 14:24:06,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594205842] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:06,983 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:06,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:24:06,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433768899] [2021-10-19 14:24:06,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:24:06,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:06,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:24:06,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:06,984 INFO L87 Difference]: Start difference. First operand 420 states and 716 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:07,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:07,134 INFO L93 Difference]: Finished difference Result 457 states and 774 transitions. [2021-10-19 14:24:07,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:24:07,134 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-10-19 14:24:07,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:07,135 INFO L225 Difference]: With dead ends: 457 [2021-10-19 14:24:07,135 INFO L226 Difference]: Without dead ends: 292 [2021-10-19 14:24:07,136 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.5ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:07,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2021-10-19 14:24:07,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 288. [2021-10-19 14:24:07,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 285 states have (on average 1.7052631578947368) internal successors, (486), 287 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:07,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 486 transitions. [2021-10-19 14:24:07,140 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 486 transitions. Word has length 54 [2021-10-19 14:24:07,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:07,141 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 486 transitions. [2021-10-19 14:24:07,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:07,141 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 486 transitions. [2021-10-19 14:24:07,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-19 14:24:07,141 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:07,141 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:07,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-19 14:24:07,142 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:07,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:07,142 INFO L82 PathProgramCache]: Analyzing trace with hash 2131646694, now seen corresponding path program 1 times [2021-10-19 14:24:07,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:07,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140333421] [2021-10-19 14:24:07,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:07,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:07,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:07,407 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:07,407 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140333421] [2021-10-19 14:24:07,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140333421] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:07,407 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:07,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-19 14:24:07,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744879489] [2021-10-19 14:24:07,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-19 14:24:07,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:07,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-19 14:24:07,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-10-19 14:24:07,408 INFO L87 Difference]: Start difference. First operand 288 states and 486 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:07,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:07,716 INFO L93 Difference]: Finished difference Result 395 states and 673 transitions. [2021-10-19 14:24:07,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-19 14:24:07,717 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-10-19 14:24:07,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:07,718 INFO L225 Difference]: With dead ends: 395 [2021-10-19 14:24:07,718 INFO L226 Difference]: Without dead ends: 351 [2021-10-19 14:24:07,719 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 180.4ms TimeCoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:24:07,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-10-19 14:24:07,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 332. [2021-10-19 14:24:07,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 329 states have (on average 1.6990881458966565) internal successors, (559), 331 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:07,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 559 transitions. [2021-10-19 14:24:07,724 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 559 transitions. Word has length 68 [2021-10-19 14:24:07,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:07,724 INFO L470 AbstractCegarLoop]: Abstraction has 332 states and 559 transitions. [2021-10-19 14:24:07,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:07,725 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 559 transitions. [2021-10-19 14:24:07,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-19 14:24:07,725 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:07,725 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:07,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-19 14:24:07,726 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:07,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:07,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1172161753, now seen corresponding path program 1 times [2021-10-19 14:24:07,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:07,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864644691] [2021-10-19 14:24:07,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:07,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:07,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:07,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:07,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864644691] [2021-10-19 14:24:07,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864644691] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:07,867 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:07,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-19 14:24:07,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894153084] [2021-10-19 14:24:07,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-19 14:24:07,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:07,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-19 14:24:07,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-10-19 14:24:07,868 INFO L87 Difference]: Start difference. First operand 332 states and 559 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:08,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:08,245 INFO L93 Difference]: Finished difference Result 323 states and 542 transitions. [2021-10-19 14:24:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-19 14:24:08,245 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-10-19 14:24:08,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:08,246 INFO L225 Difference]: With dead ends: 323 [2021-10-19 14:24:08,246 INFO L226 Difference]: Without dead ends: 201 [2021-10-19 14:24:08,246 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 259.5ms TimeCoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:24:08,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-10-19 14:24:08,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 185. [2021-10-19 14:24:08,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 184 states have (on average 1.576086956521739) internal successors, (290), 184 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:08,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 290 transitions. [2021-10-19 14:24:08,249 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 290 transitions. Word has length 68 [2021-10-19 14:24:08,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:08,250 INFO L470 AbstractCegarLoop]: Abstraction has 185 states and 290 transitions. [2021-10-19 14:24:08,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:08,250 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 290 transitions. [2021-10-19 14:24:08,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-19 14:24:08,250 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:08,250 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:08,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-19 14:24:08,251 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:08,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:08,251 INFO L82 PathProgramCache]: Analyzing trace with hash 541686186, now seen corresponding path program 2 times [2021-10-19 14:24:08,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:08,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477245529] [2021-10-19 14:24:08,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:08,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:08,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:08,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:08,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477245529] [2021-10-19 14:24:08,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477245529] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:08,497 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:08,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:08,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123006226] [2021-10-19 14:24:08,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:08,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:08,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:08,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:08,499 INFO L87 Difference]: Start difference. First operand 185 states and 290 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:08,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:08,915 INFO L93 Difference]: Finished difference Result 361 states and 587 transitions. [2021-10-19 14:24:08,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-19 14:24:08,916 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-10-19 14:24:08,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:08,917 INFO L225 Difference]: With dead ends: 361 [2021-10-19 14:24:08,917 INFO L226 Difference]: Without dead ends: 269 [2021-10-19 14:24:08,917 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 232.1ms TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:24:08,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2021-10-19 14:24:08,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 186. [2021-10-19 14:24:08,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.572972972972973) internal successors, (291), 185 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:08,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 291 transitions. [2021-10-19 14:24:08,921 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 291 transitions. Word has length 68 [2021-10-19 14:24:08,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:08,921 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 291 transitions. [2021-10-19 14:24:08,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:08,921 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 291 transitions. [2021-10-19 14:24:08,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-19 14:24:08,922 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:08,922 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:08,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-19 14:24:08,922 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:08,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:08,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1027385104, now seen corresponding path program 3 times [2021-10-19 14:24:08,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:08,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499167868] [2021-10-19 14:24:08,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:08,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:09,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:09,161 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:09,161 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499167868] [2021-10-19 14:24:09,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499167868] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:09,161 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:09,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:09,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905895684] [2021-10-19 14:24:09,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:09,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:09,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:09,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:09,163 INFO L87 Difference]: Start difference. First operand 186 states and 291 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:09,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:09,673 INFO L93 Difference]: Finished difference Result 271 states and 423 transitions. [2021-10-19 14:24:09,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-19 14:24:09,673 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-10-19 14:24:09,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:09,674 INFO L225 Difference]: With dead ends: 271 [2021-10-19 14:24:09,674 INFO L226 Difference]: Without dead ends: 223 [2021-10-19 14:24:09,675 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 277.6ms TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2021-10-19 14:24:09,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2021-10-19 14:24:09,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 187. [2021-10-19 14:24:09,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 186 states have (on average 1.5698924731182795) internal successors, (292), 186 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:09,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 292 transitions. [2021-10-19 14:24:09,678 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 292 transitions. Word has length 68 [2021-10-19 14:24:09,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:09,678 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 292 transitions. [2021-10-19 14:24:09,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:09,678 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 292 transitions. [2021-10-19 14:24:09,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-19 14:24:09,678 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:09,678 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:09,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-19 14:24:09,679 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:09,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:09,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1079661710, now seen corresponding path program 4 times [2021-10-19 14:24:09,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:09,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031793431] [2021-10-19 14:24:09,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:09,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:09,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:09,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:09,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031793431] [2021-10-19 14:24:09,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031793431] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:09,916 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:09,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:09,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240753726] [2021-10-19 14:24:09,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:09,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:09,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:09,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:09,917 INFO L87 Difference]: Start difference. First operand 187 states and 292 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:10,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:10,280 INFO L93 Difference]: Finished difference Result 256 states and 404 transitions. [2021-10-19 14:24:10,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-19 14:24:10,280 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-10-19 14:24:10,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:10,281 INFO L225 Difference]: With dead ends: 256 [2021-10-19 14:24:10,281 INFO L226 Difference]: Without dead ends: 161 [2021-10-19 14:24:10,281 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 219.6ms TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:24:10,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-10-19 14:24:10,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2021-10-19 14:24:10,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 160 states have (on average 1.5125) internal successors, (242), 160 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:10,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 242 transitions. [2021-10-19 14:24:10,284 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 242 transitions. Word has length 68 [2021-10-19 14:24:10,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:10,284 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 242 transitions. [2021-10-19 14:24:10,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:10,284 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 242 transitions. [2021-10-19 14:24:10,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-19 14:24:10,284 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:10,284 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:10,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-19 14:24:10,285 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:10,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:10,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1428060536, now seen corresponding path program 5 times [2021-10-19 14:24:10,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:10,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136258581] [2021-10-19 14:24:10,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:10,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:10,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:10,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:10,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136258581] [2021-10-19 14:24:10,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136258581] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:10,524 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:10,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:10,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435953602] [2021-10-19 14:24:10,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:10,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:10,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:10,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:10,525 INFO L87 Difference]: Start difference. First operand 161 states and 242 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:10,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:10,894 INFO L93 Difference]: Finished difference Result 230 states and 354 transitions. [2021-10-19 14:24:10,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-19 14:24:10,895 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-10-19 14:24:10,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:10,895 INFO L225 Difference]: With dead ends: 230 [2021-10-19 14:24:10,895 INFO L226 Difference]: Without dead ends: 138 [2021-10-19 14:24:10,896 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 242.5ms TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:24:10,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-10-19 14:24:10,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2021-10-19 14:24:10,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 137 states have (on average 1.4306569343065694) internal successors, (196), 137 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:10,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 196 transitions. [2021-10-19 14:24:10,899 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 196 transitions. Word has length 68 [2021-10-19 14:24:10,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:10,900 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 196 transitions. [2021-10-19 14:24:10,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:10,900 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 196 transitions. [2021-10-19 14:24:10,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-19 14:24:10,900 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:10,900 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:10,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-19 14:24:10,901 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:10,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:10,902 INFO L82 PathProgramCache]: Analyzing trace with hash -942361618, now seen corresponding path program 6 times [2021-10-19 14:24:10,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:10,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177233273] [2021-10-19 14:24:10,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:10,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:11,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:11,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:11,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177233273] [2021-10-19 14:24:11,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177233273] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:11,149 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:11,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:11,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347453000] [2021-10-19 14:24:11,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:11,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:11,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:11,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:11,150 INFO L87 Difference]: Start difference. First operand 138 states and 196 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:11,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:11,514 INFO L93 Difference]: Finished difference Result 223 states and 328 transitions. [2021-10-19 14:24:11,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-19 14:24:11,514 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-10-19 14:24:11,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:11,517 INFO L225 Difference]: With dead ends: 223 [2021-10-19 14:24:11,517 INFO L226 Difference]: Without dead ends: 175 [2021-10-19 14:24:11,518 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 266.6ms TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2021-10-19 14:24:11,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-10-19 14:24:11,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 139. [2021-10-19 14:24:11,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 138 states have (on average 1.4275362318840579) internal successors, (197), 138 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:11,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 197 transitions. [2021-10-19 14:24:11,520 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 197 transitions. Word has length 68 [2021-10-19 14:24:11,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:11,520 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 197 transitions. [2021-10-19 14:24:11,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:11,520 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 197 transitions. [2021-10-19 14:24:11,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-19 14:24:11,521 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:11,521 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:11,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-19 14:24:11,521 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:11,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:11,521 INFO L82 PathProgramCache]: Analyzing trace with hash -890085012, now seen corresponding path program 7 times [2021-10-19 14:24:11,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:11,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721061642] [2021-10-19 14:24:11,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:11,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:11,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:11,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:11,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721061642] [2021-10-19 14:24:11,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721061642] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:11,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:11,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:11,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890939611] [2021-10-19 14:24:11,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:11,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:11,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:11,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:11,735 INFO L87 Difference]: Start difference. First operand 139 states and 197 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:12,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:12,101 INFO L93 Difference]: Finished difference Result 208 states and 309 transitions. [2021-10-19 14:24:12,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-19 14:24:12,101 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-10-19 14:24:12,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:12,102 INFO L225 Difference]: With dead ends: 208 [2021-10-19 14:24:12,102 INFO L226 Difference]: Without dead ends: 137 [2021-10-19 14:24:12,102 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 253.1ms TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:24:12,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-10-19 14:24:12,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-10-19 14:24:12,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 136 states have (on average 1.4264705882352942) internal successors, (194), 136 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:12,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 194 transitions. [2021-10-19 14:24:12,104 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 194 transitions. Word has length 68 [2021-10-19 14:24:12,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:12,104 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 194 transitions. [2021-10-19 14:24:12,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:12,104 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 194 transitions. [2021-10-19 14:24:12,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-19 14:24:12,105 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:12,105 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:12,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-19 14:24:12,105 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:12,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:12,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1745615528, now seen corresponding path program 8 times [2021-10-19 14:24:12,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:12,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829573979] [2021-10-19 14:24:12,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:12,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:12,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:12,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:12,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829573979] [2021-10-19 14:24:12,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829573979] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:12,319 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:12,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:12,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539070042] [2021-10-19 14:24:12,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:12,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:12,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:12,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:12,320 INFO L87 Difference]: Start difference. First operand 137 states and 194 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:12,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:12,684 INFO L93 Difference]: Finished difference Result 209 states and 300 transitions. [2021-10-19 14:24:12,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-19 14:24:12,684 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-10-19 14:24:12,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:12,685 INFO L225 Difference]: With dead ends: 209 [2021-10-19 14:24:12,685 INFO L226 Difference]: Without dead ends: 161 [2021-10-19 14:24:12,685 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 274.5ms TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2021-10-19 14:24:12,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-10-19 14:24:12,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 137. [2021-10-19 14:24:12,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 136 states have (on average 1.4191176470588236) internal successors, (193), 136 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:12,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 193 transitions. [2021-10-19 14:24:12,688 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 193 transitions. Word has length 68 [2021-10-19 14:24:12,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:12,688 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 193 transitions. [2021-10-19 14:24:12,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:12,688 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 193 transitions. [2021-10-19 14:24:12,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-19 14:24:12,688 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:12,688 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:12,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-19 14:24:12,689 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:12,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:12,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1797892134, now seen corresponding path program 9 times [2021-10-19 14:24:12,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:12,689 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526234601] [2021-10-19 14:24:12,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:12,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:12,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:12,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:12,903 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526234601] [2021-10-19 14:24:12,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526234601] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:12,903 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:12,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:12,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307830223] [2021-10-19 14:24:12,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:12,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:12,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:12,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:12,904 INFO L87 Difference]: Start difference. First operand 137 states and 193 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:13,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:13,177 INFO L93 Difference]: Finished difference Result 183 states and 260 transitions. [2021-10-19 14:24:13,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-19 14:24:13,178 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-10-19 14:24:13,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:13,178 INFO L225 Difference]: With dead ends: 183 [2021-10-19 14:24:13,178 INFO L226 Difference]: Without dead ends: 113 [2021-10-19 14:24:13,179 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 239.0ms TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:24:13,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-10-19 14:24:13,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-10-19 14:24:13,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 112 states have (on average 1.3035714285714286) internal successors, (146), 112 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:13,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 146 transitions. [2021-10-19 14:24:13,181 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 146 transitions. Word has length 68 [2021-10-19 14:24:13,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:13,181 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 146 transitions. [2021-10-19 14:24:13,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:13,181 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 146 transitions. [2021-10-19 14:24:13,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-19 14:24:13,181 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:13,181 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:13,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-19 14:24:13,182 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-10-19 14:24:13,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:13,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1988884616, now seen corresponding path program 10 times [2021-10-19 14:24:13,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:13,182 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601938269] [2021-10-19 14:24:13,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:13,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:13,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:13,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:13,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:13,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601938269] [2021-10-19 14:24:13,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601938269] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:13,408 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:13,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:13,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395987310] [2021-10-19 14:24:13,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:13,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:13,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:13,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:13,410 INFO L87 Difference]: Start difference. First operand 113 states and 146 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:13,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:13,761 INFO L93 Difference]: Finished difference Result 102 states and 125 transitions. [2021-10-19 14:24:13,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-19 14:24:13,761 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-10-19 14:24:13,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:13,762 INFO L225 Difference]: With dead ends: 102 [2021-10-19 14:24:13,762 INFO L226 Difference]: Without dead ends: 0 [2021-10-19 14:24:13,762 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 313.9ms TimeCoverageRelationStatistics Valid=164, Invalid=342, Unknown=0, NotChecked=0, Total=506 [2021-10-19 14:24:13,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-19 14:24:13,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-19 14:24:13,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:13,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-19 14:24:13,763 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2021-10-19 14:24:13,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:13,763 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-19 14:24:13,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:13,763 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-19 14:24:13,763 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-19 14:24:13,765 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:13,766 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:13,766 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:13,766 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-19 14:24:13,767 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:13,767 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:13,767 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:13,767 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:13,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-19 14:24:13,774 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-19 14:24:13,774 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-19 14:24:13,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 02:24:13 BasicIcfg [2021-10-19 14:24:13,776 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-19 14:24:13,777 INFO L168 Benchmark]: Toolchain (without parser) took 9805.27 ms. Allocated memory was 187.7 MB in the beginning and 275.8 MB in the end (delta: 88.1 MB). Free memory was 136.5 MB in the beginning and 196.1 MB in the end (delta: -59.7 MB). Peak memory consumption was 28.9 MB. Max. memory is 8.0 GB. [2021-10-19 14:24:13,777 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 187.7 MB. Free memory is still 154.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-19 14:24:13,778 INFO L168 Benchmark]: CACSL2BoogieTranslator took 511.81 ms. Allocated memory is still 187.7 MB. Free memory was 136.2 MB in the beginning and 148.3 MB in the end (delta: -12.1 MB). Peak memory consumption was 12.8 MB. Max. memory is 8.0 GB. [2021-10-19 14:24:13,778 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.53 ms. Allocated memory is still 187.7 MB. Free memory was 148.3 MB in the beginning and 145.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:24:13,778 INFO L168 Benchmark]: Boogie Preprocessor took 32.87 ms. Allocated memory is still 187.7 MB. Free memory was 145.6 MB in the beginning and 144.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:24:13,778 INFO L168 Benchmark]: RCFGBuilder took 323.35 ms. Allocated memory is still 187.7 MB. Free memory was 144.1 MB in the beginning and 129.9 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-19 14:24:13,778 INFO L168 Benchmark]: TraceAbstraction took 8878.82 ms. Allocated memory was 187.7 MB in the beginning and 275.8 MB in the end (delta: 88.1 MB). Free memory was 129.4 MB in the beginning and 196.1 MB in the end (delta: -66.8 MB). Peak memory consumption was 22.4 MB. Max. memory is 8.0 GB. [2021-10-19 14:24:13,779 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 187.7 MB. Free memory is still 154.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 511.81 ms. Allocated memory is still 187.7 MB. Free memory was 136.2 MB in the beginning and 148.3 MB in the end (delta: -12.1 MB). Peak memory consumption was 12.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 54.53 ms. Allocated memory is still 187.7 MB. Free memory was 148.3 MB in the beginning and 145.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 32.87 ms. Allocated memory is still 187.7 MB. Free memory was 145.6 MB in the beginning and 144.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 323.35 ms. Allocated memory is still 187.7 MB. Free memory was 144.1 MB in the beginning and 129.9 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 8878.82 ms. Allocated memory was 187.7 MB in the beginning and 275.8 MB in the end (delta: 88.1 MB). Free memory was 129.4 MB in the beginning and 196.1 MB in the end (delta: -66.8 MB). Peak memory consumption was 22.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 926]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 915]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 915]: 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, 122 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 8799.3ms, OverallIterations: 17, TraceHistogramMax: 1, EmptinessCheckTime: 20.6ms, AutomataDifference: 5130.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 61.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1569 SDtfs, 3222 SDslu, 3943 SDs, 0 SdLazy, 4649 SolverSat, 964 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2534.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 291 GetRequests, 18 SyntacticMatches, 40 SemanticMatches, 233 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 2894.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1125occurred in iteration=4, InterpolantAutomatonStates: 159, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 186.7ms AutomataMinimizationTime, 17 MinimizatonAttempts, 499 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 35.5ms SsaConstructionTime, 180.2ms SatisfiabilityAnalysisTime, 2964.7ms InterpolantComputationTime, 1012 NumberOfCodeBlocks, 1012 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 995 ConstructedInterpolants, 0 QuantifiedInterpolants, 12562 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-19 14:24:13,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...