/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/weaver/parallel-misc-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-5b77e9fc37942d960732eb3788a90132329d3bc4-5b77e9f [2021-10-19 14:11:40,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-19 14:11:40,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-19 14:11:40,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-19 14:11:40,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-19 14:11:40,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-19 14:11:40,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-19 14:11:40,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-19 14:11:40,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-19 14:11:40,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-19 14:11:40,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-19 14:11:40,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-19 14:11:40,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-19 14:11:40,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-19 14:11:40,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-19 14:11:40,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-19 14:11:40,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-19 14:11:40,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-19 14:11:40,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-19 14:11:40,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-19 14:11:40,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-19 14:11:40,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-19 14:11:40,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-19 14:11:40,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-19 14:11:40,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-19 14:11:40,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-19 14:11:40,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-19 14:11:40,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-19 14:11:40,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-19 14:11:40,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-19 14:11:40,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-19 14:11:40,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-19 14:11:40,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-19 14:11:40,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-19 14:11:40,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-19 14:11:40,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-19 14:11:40,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-19 14:11:40,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-19 14:11:40,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-19 14:11:40,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-19 14:11:40,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-19 14:11:40,270 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 14:11:40,296 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-19 14:11:40,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-19 14:11:40,297 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-19 14:11:40,297 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-19 14:11:40,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-19 14:11:40,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-19 14:11:40,298 INFO L138 SettingsManager]: * Use SBE=true [2021-10-19 14:11:40,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-19 14:11:40,298 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-19 14:11:40,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-19 14:11:40,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-19 14:11:40,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-19 14:11:40,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-19 14:11:40,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-19 14:11:40,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-19 14:11:40,299 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-19 14:11:40,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-19 14:11:40,299 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-19 14:11:40,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-19 14:11:40,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-19 14:11:40,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-19 14:11:40,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-19 14:11:40,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-19 14:11:40,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:11:40,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-19 14:11:40,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-19 14:11:40,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-19 14:11:40,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-19 14:11:40,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-19 14:11:40,300 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-19 14:11:40,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-19 14:11:40,300 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-19 14:11:40,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-19 14:11:40,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-19 14:11:40,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-19 14:11:40,580 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-19 14:11:40,581 INFO L275 PluginConnector]: CDTParser initialized [2021-10-19 14:11:40,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-3.wvr.c [2021-10-19 14:11:40,664 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a41d2fcae/543d4631a9674f85adb56379f36207c1/FLAG8f90d3067 [2021-10-19 14:11:41,184 INFO L306 CDTParser]: Found 1 translation units. [2021-10-19 14:11:41,185 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-3.wvr.c [2021-10-19 14:11:41,202 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a41d2fcae/543d4631a9674f85adb56379f36207c1/FLAG8f90d3067 [2021-10-19 14:11:41,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a41d2fcae/543d4631a9674f85adb56379f36207c1 [2021-10-19 14:11:41,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-19 14:11:41,499 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-19 14:11:41,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-19 14:11:41,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-19 14:11:41,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-19 14:11:41,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:11:41" (1/1) ... [2021-10-19 14:11:41,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1861843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:11:41, skipping insertion in model container [2021-10-19 14:11:41,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:11:41" (1/1) ... [2021-10-19 14:11:41,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-19 14:11:41,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-19 14:11:41,791 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-3.wvr.c[2282,2295] [2021-10-19 14:11:41,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:11:41,803 INFO L203 MainTranslator]: Completed pre-run [2021-10-19 14:11:41,842 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-3.wvr.c[2282,2295] [2021-10-19 14:11:41,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:11:41,858 INFO L208 MainTranslator]: Completed translation [2021-10-19 14:11:41,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:11:41 WrapperNode [2021-10-19 14:11:41,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-19 14:11:41,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-19 14:11:41,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-19 14:11:41,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-19 14:11:41,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:11:41" (1/1) ... [2021-10-19 14:11:41,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:11:41" (1/1) ... [2021-10-19 14:11:41,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-19 14:11:41,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-19 14:11:41,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-19 14:11:41,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-19 14:11:41,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:11:41" (1/1) ... [2021-10-19 14:11:41,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:11:41" (1/1) ... [2021-10-19 14:11:41,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:11:41" (1/1) ... [2021-10-19 14:11:41,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:11:41" (1/1) ... [2021-10-19 14:11:41,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:11:41" (1/1) ... [2021-10-19 14:11:41,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:11:41" (1/1) ... [2021-10-19 14:11:41,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:11:41" (1/1) ... [2021-10-19 14:11:41,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-19 14:11:41,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-19 14:11:41,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-19 14:11:41,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-19 14:11:41,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:11:41" (1/1) ... [2021-10-19 14:11:41,950 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:11:41,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-19 14:11:41,995 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 14:11:42,011 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 14:11:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-19 14:11:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-19 14:11:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-19 14:11:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-19 14:11:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-19 14:11:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-19 14:11:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-19 14:11:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-19 14:11:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-19 14:11:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-19 14:11:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-19 14:11:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-19 14:11:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-19 14:11:42,036 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 14:11:42,693 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-19 14:11:42,694 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-19 14:11:42,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:11:42 BoogieIcfgContainer [2021-10-19 14:11:42,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-19 14:11:42,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-19 14:11:42,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-19 14:11:42,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-19 14:11:42,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 02:11:41" (1/3) ... [2021-10-19 14:11:42,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b2c8de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:11:42, skipping insertion in model container [2021-10-19 14:11:42,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:11:41" (2/3) ... [2021-10-19 14:11:42,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b2c8de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:11:42, skipping insertion in model container [2021-10-19 14:11:42,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:11:42" (3/3) ... [2021-10-19 14:11:42,702 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-misc-3.wvr.c [2021-10-19 14:11:42,706 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-19 14:11:42,707 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-19 14:11:42,707 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2021-10-19 14:11:42,707 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-19 14:11:42,743 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,743 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,743 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,744 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,744 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,744 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,745 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,745 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,745 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,745 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,745 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,745 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,745 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,746 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,746 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,746 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,746 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,746 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,746 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,746 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,747 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,747 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,747 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,747 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,747 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,747 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,748 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,748 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,748 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,748 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,748 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,748 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,749 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,749 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,749 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,749 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,749 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,749 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,749 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,750 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,750 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,750 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,750 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,750 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,750 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,750 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,751 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,751 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,752 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,752 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,752 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,752 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,753 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,753 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,753 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,753 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,753 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,753 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,754 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,754 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,754 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,754 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,754 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,754 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,754 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,755 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,755 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,760 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,761 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,761 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,761 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,761 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,762 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,762 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,762 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,762 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,762 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,762 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,762 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,763 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,763 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,763 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,763 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,763 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,763 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,764 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,764 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,764 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,764 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,764 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,764 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,764 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,764 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,765 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,765 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,765 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,765 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,765 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,765 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,765 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,768 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,768 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,768 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,769 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,769 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,769 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,769 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,769 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,769 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,772 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,772 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,772 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,772 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,772 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,772 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,773 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:11:42,782 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-19 14:11:42,836 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-19 14:11:42,842 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 14:11:42,842 INFO L340 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2021-10-19 14:11:42,859 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 183 places, 187 transitions, 390 flow [2021-10-19 14:11:43,618 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 20631 states, 20374 states have (on average 3.081132816334544) internal successors, (62775), 20630 states have internal predecessors, (62775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:43,705 INFO L276 IsEmpty]: Start isEmpty. Operand has 20631 states, 20374 states have (on average 3.081132816334544) internal successors, (62775), 20630 states have internal predecessors, (62775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:43,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-19 14:11:43,710 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:11:43,710 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:11:43,711 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2021-10-19 14:11:43,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:11:43,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1672393582, now seen corresponding path program 1 times [2021-10-19 14:11:43,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:11:43,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406553094] [2021-10-19 14:11:43,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:11:43,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:11:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:11:43,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:11:43,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:11:43,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406553094] [2021-10-19 14:11:43,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406553094] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:11:43,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:11:43,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:11:43,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643769985] [2021-10-19 14:11:43,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:11:43,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:11:43,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:11:43,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:44,006 INFO L87 Difference]: Start difference. First operand has 20631 states, 20374 states have (on average 3.081132816334544) internal successors, (62775), 20630 states have internal predecessors, (62775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:44,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:11:44,402 INFO L93 Difference]: Finished difference Result 18566 states and 55775 transitions. [2021-10-19 14:11:44,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:11:44,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-19 14:11:44,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:11:44,896 INFO L225 Difference]: With dead ends: 18566 [2021-10-19 14:11:44,896 INFO L226 Difference]: Without dead ends: 18566 [2021-10-19 14:11:44,904 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:45,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18566 states. [2021-10-19 14:11:45,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18566 to 18566. [2021-10-19 14:11:45,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18566 states, 18398 states have (on average 3.0315795195129907) internal successors, (55775), 18565 states have internal predecessors, (55775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:45,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18566 states to 18566 states and 55775 transitions. [2021-10-19 14:11:45,783 INFO L78 Accepts]: Start accepts. Automaton has 18566 states and 55775 transitions. Word has length 20 [2021-10-19 14:11:45,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:11:45,784 INFO L470 AbstractCegarLoop]: Abstraction has 18566 states and 55775 transitions. [2021-10-19 14:11:45,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:45,784 INFO L276 IsEmpty]: Start isEmpty. Operand 18566 states and 55775 transitions. [2021-10-19 14:11:45,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-19 14:11:45,785 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:11:45,785 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:11:45,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-19 14:11:45,785 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2021-10-19 14:11:45,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:11:45,786 INFO L82 PathProgramCache]: Analyzing trace with hash 820692413, now seen corresponding path program 1 times [2021-10-19 14:11:45,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:11:45,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077416177] [2021-10-19 14:11:45,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:11:45,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:11:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:11:45,982 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 14:11:45,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:11:45,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077416177] [2021-10-19 14:11:45,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077416177] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:11:45,983 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:11:45,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:11:45,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386430655] [2021-10-19 14:11:45,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:11:45,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:11:45,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:11:45,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:45,985 INFO L87 Difference]: Start difference. First operand 18566 states and 55775 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:46,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:11:46,424 INFO L93 Difference]: Finished difference Result 18565 states and 55774 transitions. [2021-10-19 14:11:46,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:11:46,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-19 14:11:46,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:11:46,659 INFO L225 Difference]: With dead ends: 18565 [2021-10-19 14:11:46,660 INFO L226 Difference]: Without dead ends: 18565 [2021-10-19 14:11:46,660 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:46,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18565 states. [2021-10-19 14:11:47,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18565 to 18565. [2021-10-19 14:11:47,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18565 states, 18398 states have (on average 3.031525165778889) internal successors, (55774), 18564 states have internal predecessors, (55774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:47,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18565 states to 18565 states and 55774 transitions. [2021-10-19 14:11:47,616 INFO L78 Accepts]: Start accepts. Automaton has 18565 states and 55774 transitions. Word has length 25 [2021-10-19 14:11:47,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:11:47,617 INFO L470 AbstractCegarLoop]: Abstraction has 18565 states and 55774 transitions. [2021-10-19 14:11:47,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:47,618 INFO L276 IsEmpty]: Start isEmpty. Operand 18565 states and 55774 transitions. [2021-10-19 14:11:47,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-19 14:11:47,618 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:11:47,619 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:11:47,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-19 14:11:47,619 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2021-10-19 14:11:47,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:11:47,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1369172112, now seen corresponding path program 1 times [2021-10-19 14:11:47,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:11:47,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923270993] [2021-10-19 14:11:47,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:11:47,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:11:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:11:47,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:11:47,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:11:47,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923270993] [2021-10-19 14:11:47,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923270993] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:11:47,673 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:11:47,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:11:47,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843933180] [2021-10-19 14:11:47,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:11:47,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:11:47,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:11:47,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:47,685 INFO L87 Difference]: Start difference. First operand 18565 states and 55774 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:48,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:11:48,061 INFO L93 Difference]: Finished difference Result 18564 states and 55773 transitions. [2021-10-19 14:11:48,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:11:48,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-10-19 14:11:48,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:11:48,118 INFO L225 Difference]: With dead ends: 18564 [2021-10-19 14:11:48,118 INFO L226 Difference]: Without dead ends: 18564 [2021-10-19 14:11:48,119 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:48,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18564 states. [2021-10-19 14:11:48,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18564 to 18564. [2021-10-19 14:11:48,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18564 states, 18398 states have (on average 3.0314708120447875) internal successors, (55773), 18563 states have internal predecessors, (55773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:48,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18564 states to 18564 states and 55773 transitions. [2021-10-19 14:11:48,966 INFO L78 Accepts]: Start accepts. Automaton has 18564 states and 55773 transitions. Word has length 30 [2021-10-19 14:11:48,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:11:48,971 INFO L470 AbstractCegarLoop]: Abstraction has 18564 states and 55773 transitions. [2021-10-19 14:11:48,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:48,971 INFO L276 IsEmpty]: Start isEmpty. Operand 18564 states and 55773 transitions. [2021-10-19 14:11:48,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-19 14:11:48,972 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:11:48,972 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:11:48,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-19 14:11:48,972 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2021-10-19 14:11:48,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:11:48,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1690250924, now seen corresponding path program 1 times [2021-10-19 14:11:48,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:11:48,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736609061] [2021-10-19 14:11:48,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:11:48,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:11:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:11:49,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:11:49,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:11:49,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736609061] [2021-10-19 14:11:49,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736609061] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:11:49,129 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:11:49,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:11:49,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725133838] [2021-10-19 14:11:49,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:11:49,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:11:49,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:11:49,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:49,131 INFO L87 Difference]: Start difference. First operand 18564 states and 55773 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:49,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:11:49,264 INFO L93 Difference]: Finished difference Result 18563 states and 55772 transitions. [2021-10-19 14:11:49,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:11:49,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-19 14:11:49,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:11:49,381 INFO L225 Difference]: With dead ends: 18563 [2021-10-19 14:11:49,382 INFO L226 Difference]: Without dead ends: 18563 [2021-10-19 14:11:49,383 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:49,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18563 states. [2021-10-19 14:11:50,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18563 to 18563. [2021-10-19 14:11:50,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18563 states, 18398 states have (on average 3.031416458310686) internal successors, (55772), 18562 states have internal predecessors, (55772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:50,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18563 states to 18563 states and 55772 transitions. [2021-10-19 14:11:50,186 INFO L78 Accepts]: Start accepts. Automaton has 18563 states and 55772 transitions. Word has length 35 [2021-10-19 14:11:50,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:11:50,186 INFO L470 AbstractCegarLoop]: Abstraction has 18563 states and 55772 transitions. [2021-10-19 14:11:50,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:50,186 INFO L276 IsEmpty]: Start isEmpty. Operand 18563 states and 55772 transitions. [2021-10-19 14:11:50,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-19 14:11:50,187 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:11:50,187 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:11:50,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-19 14:11:50,188 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2021-10-19 14:11:50,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:11:50,188 INFO L82 PathProgramCache]: Analyzing trace with hash -2096409147, now seen corresponding path program 1 times [2021-10-19 14:11:50,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:11:50,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787513432] [2021-10-19 14:11:50,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:11:50,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:11:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:11:50,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:11:50,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:11:50,224 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787513432] [2021-10-19 14:11:50,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787513432] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:11:50,224 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:11:50,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:11:50,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167328623] [2021-10-19 14:11:50,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:11:50,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:11:50,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:11:50,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:50,225 INFO L87 Difference]: Start difference. First operand 18563 states and 55772 transitions. Second operand has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:50,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:11:50,496 INFO L93 Difference]: Finished difference Result 18563 states and 55772 transitions. [2021-10-19 14:11:50,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:11:50,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-10-19 14:11:50,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:11:50,649 INFO L225 Difference]: With dead ends: 18563 [2021-10-19 14:11:50,659 INFO L226 Difference]: Without dead ends: 18563 [2021-10-19 14:11:50,659 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:50,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18563 states. [2021-10-19 14:11:51,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18563 to 18047. [2021-10-19 14:11:51,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18047 states, 17904 states have (on average 3.0301050044682754) internal successors, (54251), 18046 states have internal predecessors, (54251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:51,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18047 states to 18047 states and 54251 transitions. [2021-10-19 14:11:51,439 INFO L78 Accepts]: Start accepts. Automaton has 18047 states and 54251 transitions. Word has length 42 [2021-10-19 14:11:51,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:11:51,440 INFO L470 AbstractCegarLoop]: Abstraction has 18047 states and 54251 transitions. [2021-10-19 14:11:51,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:51,440 INFO L276 IsEmpty]: Start isEmpty. Operand 18047 states and 54251 transitions. [2021-10-19 14:11:51,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-19 14:11:51,442 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:11:51,442 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:11:51,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-19 14:11:51,443 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2021-10-19 14:11:51,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:11:51,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1004960537, now seen corresponding path program 1 times [2021-10-19 14:11:51,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:11:51,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996667071] [2021-10-19 14:11:51,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:11:51,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:11:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:11:51,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:11:51,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:11:51,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996667071] [2021-10-19 14:11:51,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996667071] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:11:51,492 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:11:51,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:11:51,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141761835] [2021-10-19 14:11:51,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:11:51,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:11:51,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:11:51,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:51,496 INFO L87 Difference]: Start difference. First operand 18047 states and 54251 transitions. Second operand has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:51,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:11:51,614 INFO L93 Difference]: Finished difference Result 20574 states and 61284 transitions. [2021-10-19 14:11:51,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:11:51,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-10-19 14:11:51,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:11:51,686 INFO L225 Difference]: With dead ends: 20574 [2021-10-19 14:11:51,686 INFO L226 Difference]: Without dead ends: 20574 [2021-10-19 14:11:51,686 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:51,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20574 states. [2021-10-19 14:11:52,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20574 to 16499. [2021-10-19 14:11:52,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16499 states, 16422 states have (on average 3.0256972354159055) internal successors, (49688), 16498 states have internal predecessors, (49688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:52,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16499 states to 16499 states and 49688 transitions. [2021-10-19 14:11:52,369 INFO L78 Accepts]: Start accepts. Automaton has 16499 states and 49688 transitions. Word has length 45 [2021-10-19 14:11:52,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:11:52,372 INFO L470 AbstractCegarLoop]: Abstraction has 16499 states and 49688 transitions. [2021-10-19 14:11:52,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:52,372 INFO L276 IsEmpty]: Start isEmpty. Operand 16499 states and 49688 transitions. [2021-10-19 14:11:52,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-19 14:11:52,373 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:11:52,373 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:11:52,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-19 14:11:52,373 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2021-10-19 14:11:52,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:11:52,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1460398286, now seen corresponding path program 1 times [2021-10-19 14:11:52,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:11:52,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648317813] [2021-10-19 14:11:52,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:11:52,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:11:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:11:52,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:11:52,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:11:52,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648317813] [2021-10-19 14:11:52,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648317813] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:11:52,412 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:11:52,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:11:52,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340699169] [2021-10-19 14:11:52,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:11:52,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:11:52,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:11:52,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:52,414 INFO L87 Difference]: Start difference. First operand 16499 states and 49688 transitions. Second operand has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:52,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:11:52,681 INFO L93 Difference]: Finished difference Result 16499 states and 49688 transitions. [2021-10-19 14:11:52,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:11:52,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-10-19 14:11:52,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:11:52,732 INFO L225 Difference]: With dead ends: 16499 [2021-10-19 14:11:52,732 INFO L226 Difference]: Without dead ends: 16499 [2021-10-19 14:11:52,733 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:52,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16499 states. [2021-10-19 14:11:53,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16499 to 16180. [2021-10-19 14:11:53,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16180 states, 16110 states have (on average 3.025512104283054) internal successors, (48741), 16179 states have internal predecessors, (48741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:53,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16180 states to 16180 states and 48741 transitions. [2021-10-19 14:11:53,179 INFO L78 Accepts]: Start accepts. Automaton has 16180 states and 48741 transitions. Word has length 48 [2021-10-19 14:11:53,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:11:53,180 INFO L470 AbstractCegarLoop]: Abstraction has 16180 states and 48741 transitions. [2021-10-19 14:11:53,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:53,180 INFO L276 IsEmpty]: Start isEmpty. Operand 16180 states and 48741 transitions. [2021-10-19 14:11:53,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-19 14:11:53,182 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:11:53,183 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:11:53,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-19 14:11:53,183 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2021-10-19 14:11:53,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:11:53,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1293899557, now seen corresponding path program 1 times [2021-10-19 14:11:53,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:11:53,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627281785] [2021-10-19 14:11:53,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:11:53,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:11:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:11:53,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:11:53,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:11:53,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627281785] [2021-10-19 14:11:53,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627281785] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:11:53,260 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:11:53,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:11:53,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527621982] [2021-10-19 14:11:53,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:11:53,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:11:53,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:11:53,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:53,261 INFO L87 Difference]: Start difference. First operand 16180 states and 48741 transitions. Second operand has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:53,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:11:53,601 INFO L93 Difference]: Finished difference Result 17460 states and 52533 transitions. [2021-10-19 14:11:53,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:11:53,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-10-19 14:11:53,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:11:53,653 INFO L225 Difference]: With dead ends: 17460 [2021-10-19 14:11:53,654 INFO L226 Difference]: Without dead ends: 17460 [2021-10-19 14:11:53,654 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:53,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17460 states. [2021-10-19 14:11:54,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17460 to 15223. [2021-10-19 14:11:54,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15223 states, 15174 states have (on average 3.0249110320284696) internal successors, (45900), 15222 states have internal predecessors, (45900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:54,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15223 states to 15223 states and 45900 transitions. [2021-10-19 14:11:54,120 INFO L78 Accepts]: Start accepts. Automaton has 15223 states and 45900 transitions. Word has length 51 [2021-10-19 14:11:54,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:11:54,121 INFO L470 AbstractCegarLoop]: Abstraction has 15223 states and 45900 transitions. [2021-10-19 14:11:54,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:54,122 INFO L276 IsEmpty]: Start isEmpty. Operand 15223 states and 45900 transitions. [2021-10-19 14:11:54,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-19 14:11:54,125 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:11:54,126 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:11:54,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-19 14:11:54,131 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2021-10-19 14:11:54,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:11:54,131 INFO L82 PathProgramCache]: Analyzing trace with hash 2143670448, now seen corresponding path program 1 times [2021-10-19 14:11:54,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:11:54,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050133803] [2021-10-19 14:11:54,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:11:54,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:11:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:11:54,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:11:54,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:11:54,184 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050133803] [2021-10-19 14:11:54,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050133803] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:11:54,184 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:11:54,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:11:54,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245429655] [2021-10-19 14:11:54,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:11:54,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:11:54,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:11:54,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:54,185 INFO L87 Difference]: Start difference. First operand 15223 states and 45900 transitions. Second operand has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:54,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:11:54,313 INFO L93 Difference]: Finished difference Result 14747 states and 44495 transitions. [2021-10-19 14:11:54,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:11:54,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-10-19 14:11:54,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:11:54,348 INFO L225 Difference]: With dead ends: 14747 [2021-10-19 14:11:54,348 INFO L226 Difference]: Without dead ends: 14747 [2021-10-19 14:11:54,349 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:54,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14747 states. [2021-10-19 14:11:54,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14747 to 14747. [2021-10-19 14:11:54,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14747 states, 14712 states have (on average 3.024401848830886) internal successors, (44495), 14746 states have internal predecessors, (44495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:54,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14747 states to 14747 states and 44495 transitions. [2021-10-19 14:11:54,610 INFO L78 Accepts]: Start accepts. Automaton has 14747 states and 44495 transitions. Word has length 53 [2021-10-19 14:11:54,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:11:54,610 INFO L470 AbstractCegarLoop]: Abstraction has 14747 states and 44495 transitions. [2021-10-19 14:11:54,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:54,610 INFO L276 IsEmpty]: Start isEmpty. Operand 14747 states and 44495 transitions. [2021-10-19 14:11:54,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-19 14:11:54,611 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:11:54,611 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:11:54,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-19 14:11:54,611 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2021-10-19 14:11:54,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:11:54,612 INFO L82 PathProgramCache]: Analyzing trace with hash -769245705, now seen corresponding path program 1 times [2021-10-19 14:11:54,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:11:54,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012870218] [2021-10-19 14:11:54,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:11:54,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:11:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:11:54,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:11:54,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:11:54,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012870218] [2021-10-19 14:11:54,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012870218] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:11:54,629 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:11:54,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:11:54,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239694185] [2021-10-19 14:11:54,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:11:54,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:11:54,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:11:54,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:54,630 INFO L87 Difference]: Start difference. First operand 14747 states and 44495 transitions. Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 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 14:11:54,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:11:54,800 INFO L93 Difference]: Finished difference Result 17218 states and 51838 transitions. [2021-10-19 14:11:54,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:11:54,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 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 14:11:54,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:11:54,850 INFO L225 Difference]: With dead ends: 17218 [2021-10-19 14:11:54,850 INFO L226 Difference]: Without dead ends: 17212 [2021-10-19 14:11:54,850 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:54,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17212 states. [2021-10-19 14:11:55,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17212 to 15358. [2021-10-19 14:11:55,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15358 states, 15324 states have (on average 3.0227747324458365) internal successors, (46321), 15357 states have internal predecessors, (46321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:55,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15358 states to 15358 states and 46321 transitions. [2021-10-19 14:11:55,178 INFO L78 Accepts]: Start accepts. Automaton has 15358 states and 46321 transitions. Word has length 54 [2021-10-19 14:11:55,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:11:55,178 INFO L470 AbstractCegarLoop]: Abstraction has 15358 states and 46321 transitions. [2021-10-19 14:11:55,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 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 14:11:55,178 INFO L276 IsEmpty]: Start isEmpty. Operand 15358 states and 46321 transitions. [2021-10-19 14:11:55,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-19 14:11:55,179 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:11:55,179 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:11:55,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-19 14:11:55,180 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2021-10-19 14:11:55,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:11:55,180 INFO L82 PathProgramCache]: Analyzing trace with hash -149777408, now seen corresponding path program 1 times [2021-10-19 14:11:55,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:11:55,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250562976] [2021-10-19 14:11:55,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:11:55,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:11:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:11:55,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:11:55,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:11:55,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250562976] [2021-10-19 14:11:55,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250562976] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:11:55,299 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:11:55,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:11:55,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319826802] [2021-10-19 14:11:55,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:11:55,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:11:55,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:11:55,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:11:55,301 INFO L87 Difference]: Start difference. First operand 15358 states and 46321 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 14:11:55,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:11:55,408 INFO L93 Difference]: Finished difference Result 13888 states and 41674 transitions. [2021-10-19 14:11:55,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:11:55,408 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 14:11:55,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:11:55,444 INFO L225 Difference]: With dead ends: 13888 [2021-10-19 14:11:55,444 INFO L226 Difference]: Without dead ends: 13888 [2021-10-19 14:11:55,445 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.8ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:11:55,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13888 states. [2021-10-19 14:11:55,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13888 to 13888. [2021-10-19 14:11:55,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13888 states, 13868 states have (on average 3.005047591577733) internal successors, (41674), 13887 states have internal predecessors, (41674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:55,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13888 states to 13888 states and 41674 transitions. [2021-10-19 14:11:55,846 INFO L78 Accepts]: Start accepts. Automaton has 13888 states and 41674 transitions. Word has length 54 [2021-10-19 14:11:55,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:11:55,846 INFO L470 AbstractCegarLoop]: Abstraction has 13888 states and 41674 transitions. [2021-10-19 14:11:55,846 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 14:11:55,846 INFO L276 IsEmpty]: Start isEmpty. Operand 13888 states and 41674 transitions. [2021-10-19 14:11:55,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-19 14:11:55,849 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:11:55,849 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:11:55,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-19 14:11:55,850 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2021-10-19 14:11:55,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:11:55,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1185385796, now seen corresponding path program 1 times [2021-10-19 14:11:55,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:11:55,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879008649] [2021-10-19 14:11:55,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:11:55,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:11:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:11:55,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:11:55,868 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:11:55,868 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879008649] [2021-10-19 14:11:55,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879008649] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:11:55,868 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:11:55,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:11:55,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89024159] [2021-10-19 14:11:55,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:11:55,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:11:55,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:11:55,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:55,869 INFO L87 Difference]: Start difference. First operand 13888 states and 41674 transitions. Second operand has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:55,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:11:55,947 INFO L93 Difference]: Finished difference Result 14446 states and 43324 transitions. [2021-10-19 14:11:55,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:11:55,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-19 14:11:55,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:11:55,982 INFO L225 Difference]: With dead ends: 14446 [2021-10-19 14:11:55,982 INFO L226 Difference]: Without dead ends: 14446 [2021-10-19 14:11:55,982 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:56,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14446 states. [2021-10-19 14:11:56,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14446 to 14167. [2021-10-19 14:11:56,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14167 states, 14147 states have (on average 3.0040998091468154) internal successors, (42499), 14166 states have internal predecessors, (42499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:56,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14167 states to 14167 states and 42499 transitions. [2021-10-19 14:11:56,419 INFO L78 Accepts]: Start accepts. Automaton has 14167 states and 42499 transitions. Word has length 58 [2021-10-19 14:11:56,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:11:56,419 INFO L470 AbstractCegarLoop]: Abstraction has 14167 states and 42499 transitions. [2021-10-19 14:11:56,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:56,419 INFO L276 IsEmpty]: Start isEmpty. Operand 14167 states and 42499 transitions. [2021-10-19 14:11:56,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-19 14:11:56,422 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:11:56,422 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:11:56,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-19 14:11:56,423 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2021-10-19 14:11:56,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:11:56,423 INFO L82 PathProgramCache]: Analyzing trace with hash -267375137, now seen corresponding path program 1 times [2021-10-19 14:11:56,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:11:56,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827232814] [2021-10-19 14:11:56,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:11:56,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:11:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:11:56,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:11:56,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:11:56,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827232814] [2021-10-19 14:11:56,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827232814] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:11:56,449 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:11:56,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:11:56,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460248127] [2021-10-19 14:11:56,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:11:56,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:11:56,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:11:56,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:56,450 INFO L87 Difference]: Start difference. First operand 14167 states and 42499 transitions. Second operand has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:56,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:11:56,526 INFO L93 Difference]: Finished difference Result 14725 states and 44149 transitions. [2021-10-19 14:11:56,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:11:56,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-19 14:11:56,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:11:56,566 INFO L225 Difference]: With dead ends: 14725 [2021-10-19 14:11:56,566 INFO L226 Difference]: Without dead ends: 14725 [2021-10-19 14:11:56,566 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:11:56,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14725 states. [2021-10-19 14:11:56,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14725 to 14446. [2021-10-19 14:11:56,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14446 states, 14426 states have (on average 3.003188687092749) internal successors, (43324), 14445 states have internal predecessors, (43324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:56,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14446 states to 14446 states and 43324 transitions. [2021-10-19 14:11:56,825 INFO L78 Accepts]: Start accepts. Automaton has 14446 states and 43324 transitions. Word has length 58 [2021-10-19 14:11:56,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:11:56,825 INFO L470 AbstractCegarLoop]: Abstraction has 14446 states and 43324 transitions. [2021-10-19 14:11:56,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:11:56,825 INFO L276 IsEmpty]: Start isEmpty. Operand 14446 states and 43324 transitions. [2021-10-19 14:11:56,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-19 14:11:56,829 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:11:56,829 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:11:56,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-19 14:11:56,830 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2021-10-19 14:11:56,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:11:56,830 INFO L82 PathProgramCache]: Analyzing trace with hash -2008270632, now seen corresponding path program 1 times [2021-10-19 14:11:56,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:11:56,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052715232] [2021-10-19 14:11:56,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:11:56,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:11:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-19 14:11:56,851 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-19 14:11:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-19 14:11:56,908 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-19 14:11:56,908 INFO L631 BasicCegarLoop]: Counterexample is feasible [2021-10-19 14:11:56,909 WARN L672 BasicCegarLoop]: Found data race on ~pos~0 between C: pos++ [45] and C: pos + 2 [66] [2021-10-19 14:11:56,910 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,913 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,913 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,913 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,913 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,913 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,913 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,913 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,914 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,914 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,914 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,914 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,914 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,915 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,915 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,915 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,915 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,915 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,916 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,916 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,916 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,916 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,916 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-19 14:11:56,916 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-19 14:11:56,916 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,916 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,916 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,916 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,916 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,916 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,917 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,917 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,917 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,920 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,920 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:11:56,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-19 14:11:56,928 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-19 14:11:56,928 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-19 14:11:56,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 02:11:56 BasicIcfg [2021-10-19 14:11:56,979 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-19 14:11:56,980 INFO L168 Benchmark]: Toolchain (without parser) took 15479.65 ms. Allocated memory was 213.9 MB in the beginning and 5.9 GB in the end (delta: 5.7 GB). Free memory was 160.8 MB in the beginning and 4.9 GB in the end (delta: -4.8 GB). Peak memory consumption was 951.6 MB. Max. memory is 8.0 GB. [2021-10-19 14:11:56,980 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 213.9 MB. Free memory was 176.8 MB in the beginning and 176.7 MB in the end (delta: 118.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-19 14:11:56,980 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.02 ms. Allocated memory was 213.9 MB in the beginning and 287.3 MB in the end (delta: 73.4 MB). Free memory was 160.6 MB in the beginning and 260.0 MB in the end (delta: -99.3 MB). Peak memory consumption was 7.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:11:56,980 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.44 ms. Allocated memory is still 287.3 MB. Free memory was 260.0 MB in the beginning and 258.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-19 14:11:56,980 INFO L168 Benchmark]: Boogie Preprocessor took 32.65 ms. Allocated memory is still 287.3 MB. Free memory was 258.4 MB in the beginning and 256.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:11:56,981 INFO L168 Benchmark]: RCFGBuilder took 752.02 ms. Allocated memory is still 287.3 MB. Free memory was 256.8 MB in the beginning and 238.5 MB in the end (delta: 18.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2021-10-19 14:11:56,981 INFO L168 Benchmark]: TraceAbstraction took 14281.47 ms. Allocated memory was 287.3 MB in the beginning and 5.9 GB in the end (delta: 5.6 GB). Free memory was 237.9 MB in the beginning and 4.9 GB in the end (delta: -4.7 GB). Peak memory consumption was 954.8 MB. Max. memory is 8.0 GB. [2021-10-19 14:11:56,982 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 213.9 MB. Free memory was 176.8 MB in the beginning and 176.7 MB in the end (delta: 118.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 349.02 ms. Allocated memory was 213.9 MB in the beginning and 287.3 MB in the end (delta: 73.4 MB). Free memory was 160.6 MB in the beginning and 260.0 MB in the end (delta: -99.3 MB). Peak memory consumption was 7.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 48.44 ms. Allocated memory is still 287.3 MB. Free memory was 260.0 MB in the beginning and 258.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 32.65 ms. Allocated memory is still 287.3 MB. Free memory was 258.4 MB in the beginning and 256.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 752.02 ms. Allocated memory is still 287.3 MB. Free memory was 256.8 MB in the beginning and 238.5 MB in the end (delta: 18.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 14281.47 ms. Allocated memory was 287.3 MB in the beginning and 5.9 GB in the end (delta: 5.6 GB). Free memory was 237.9 MB in the beginning and 4.9 GB in the end (delta: -4.7 GB). Peak memory consumption was 954.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 66]: the program contains a data race the program contains a data race We found a FailurePath: [L38] 0 int pos; VAL [pos=0] [L39] 0 _Bool d1, d2, g1, g2; VAL [d1=0, d2=0, g1=0, g2=0, pos=0] [L82] 0 pthread_t t1, t2; VAL [d1=0, d2=0, g1=0, g2=0, pos=0] [L85] 0 d1 = 1 VAL [d1=1, d2=0, g1=0, g2=0, pos=0] [L86] 0 d2 = 1 VAL [d1=1, d2=1, g1=0, g2=0, pos=0] [L87] 0 g1 = 1 VAL [d1=1, d2=1, g1=1, g2=0, pos=0] [L88] 0 g2 = 1 VAL [d1=1, d2=1, g1=1, g2=1, pos=0] [L91] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [d1=1, d2=1, g1=1, g2=1, pos=0] [L42] COND TRUE 1 \read(g1) VAL [d1=1, d2=1, g1=1, g2=1, pos=0] [L43] 1 \read(d1) VAL [d1=1, d2=1, g1=1, g2=1, pos=0] [L43] 1 \read(d1) VAL [d1=1, d2=1, g1=1, g2=1, pos=0] [L43] COND TRUE 1 \read(d1) VAL [d1=1, d2=1, g1=1, g2=1, pos=0] [L92] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [d1=1, d2=1, g1=1, g2=1, pos=0] [L64] COND TRUE 2 \read(g2) VAL [d1=1, d2=1, g1=1, g2=1, pos=0] [L65] 2 \read(d2) VAL [d1=1, d2=1, g1=1, g2=1, pos=0] [L65] 2 \read(d2) VAL [d1=1, d2=1, g1=1, g2=1, pos=0] [L65] COND TRUE 2 \read(d2) VAL [d1=1, d2=1, g1=1, g2=1, pos=0] [L66] 2 pos + 2 VAL [d1=1, d2=1, g1=1, g2=1, pos=0] [L45] 1 pos++ VAL [d1=1, d2=1, g1=1, g2=1, pos=1] [L66] 2 pos + 2 VAL [d1=1, d2=1, g1=1, g2=1, pos=1] - UnprovableResult [Line: 42]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 73]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 96]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 269 locations, 49 error locations. Started 1 CEGAR loops. OverallTime: 14089.8ms, OverallIterations: 14, TraceHistogramMax: 1, EmptinessCheckTime: 115.4ms, AutomataDifference: 4436.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 775.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2803 SDtfs, 993 SDslu, 2148 SDs, 0 SdLazy, 164 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 258.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 82.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=20631occurred in iteration=0, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 7525.3ms AutomataMinimizationTime, 13 MinimizatonAttempts, 9559 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 35.0ms SsaConstructionTime, 203.9ms SatisfiabilityAnalysisTime, 697.5ms InterpolantComputationTime, 634 NumberOfCodeBlocks, 634 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 560 ConstructedInterpolants, 0 QuantifiedInterpolants, 695 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-19 14:11:57,008 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...