./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa71f83-2440-44fe-99e3-c010c480398a/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa71f83-2440-44fe-99e3-c010c480398a/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa71f83-2440-44fe-99e3-c010c480398a/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa71f83-2440-44fe-99e3-c010c480398a/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa71f83-2440-44fe-99e3-c010c480398a/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa71f83-2440-44fe-99e3-c010c480398a/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc4ff81e27c3c9c08a24375d30c2902a85848d2bd345364dfe2b3c3839c5dc11 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:25:53,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:25:53,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:25:53,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:25:53,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:25:53,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:25:53,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:25:53,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:25:53,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:25:53,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:25:53,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:25:53,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:25:53,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:25:53,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:25:53,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:25:53,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:25:53,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:25:53,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:25:53,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:25:53,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:25:53,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:25:53,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:25:53,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:25:53,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:25:53,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:25:53,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:25:53,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:25:53,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:25:53,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:25:53,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:25:53,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:25:53,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:25:53,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:25:53,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:25:53,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:25:53,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:25:53,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:25:53,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:25:53,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:25:53,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:25:53,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:25:53,700 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa71f83-2440-44fe-99e3-c010c480398a/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-12-06 20:25:53,721 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:25:53,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:25:53,721 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:25:53,721 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:25:53,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:25:53,722 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:25:53,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:25:53,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:25:53,723 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:25:53,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:25:53,723 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 20:25:53,723 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 20:25:53,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:25:53,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 20:25:53,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:25:53,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 20:25:53,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:25:53,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 20:25:53,724 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-12-06 20:25:53,724 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 20:25:53,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:25:53,724 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:25:53,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 20:25:53,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:25:53,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:25:53,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:25:53,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:25:53,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:25:53,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:25:53,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 20:25:53,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:25:53,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 20:25:53,726 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 20:25:53,726 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 20:25:53,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 20:25:53,726 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:25:53,727 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa71f83-2440-44fe-99e3-c010c480398a/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa71f83-2440-44fe-99e3-c010c480398a/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc4ff81e27c3c9c08a24375d30c2902a85848d2bd345364dfe2b3c3839c5dc11 [2021-12-06 20:25:53,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:25:53,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:25:53,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:25:53,937 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:25:53,937 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:25:53,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa71f83-2440-44fe-99e3-c010c480398a/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i [2021-12-06 20:25:53,980 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa71f83-2440-44fe-99e3-c010c480398a/bin/uautomizer-DrprNOufMa/data/69bdc3ded/b3b693001a40453fb8452a8a0bd1d536/FLAG904ab4c65 [2021-12-06 20:25:54,469 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:25:54,470 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa71f83-2440-44fe-99e3-c010c480398a/sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i [2021-12-06 20:25:54,487 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa71f83-2440-44fe-99e3-c010c480398a/bin/uautomizer-DrprNOufMa/data/69bdc3ded/b3b693001a40453fb8452a8a0bd1d536/FLAG904ab4c65 [2021-12-06 20:25:54,498 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa71f83-2440-44fe-99e3-c010c480398a/bin/uautomizer-DrprNOufMa/data/69bdc3ded/b3b693001a40453fb8452a8a0bd1d536 [2021-12-06 20:25:54,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:25:54,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:25:54,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:25:54,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:25:54,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:25:54,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:25:54" (1/1) ... [2021-12-06 20:25:54,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73627e31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:25:54, skipping insertion in model container [2021-12-06 20:25:54,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:25:54" (1/1) ... [2021-12-06 20:25:54,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:25:54,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:25:55,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:25:55,105 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:25:55,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:25:55,240 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:25:55,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:25:55 WrapperNode [2021-12-06 20:25:55,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:25:55,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:25:55,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:25:55,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:25:55,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:25:55" (1/1) ... [2021-12-06 20:25:55,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:25:55" (1/1) ... [2021-12-06 20:25:55,291 INFO L137 Inliner]: procedures = 524, calls = 61, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 139 [2021-12-06 20:25:55,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:25:55,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:25:55,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:25:55,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:25:55,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:25:55" (1/1) ... [2021-12-06 20:25:55,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:25:55" (1/1) ... [2021-12-06 20:25:55,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:25:55" (1/1) ... [2021-12-06 20:25:55,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:25:55" (1/1) ... [2021-12-06 20:25:55,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:25:55" (1/1) ... [2021-12-06 20:25:55,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:25:55" (1/1) ... [2021-12-06 20:25:55,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:25:55" (1/1) ... [2021-12-06 20:25:55,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:25:55,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:25:55,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:25:55,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:25:55,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:25:55" (1/1) ... [2021-12-06 20:25:55,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:25:55,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa71f83-2440-44fe-99e3-c010c480398a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:25:55,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa71f83-2440-44fe-99e3-c010c480398a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 20:25:55,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa71f83-2440-44fe-99e3-c010c480398a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 20:25:55,382 INFO L130 BoogieDeclarations]: Found specification of procedure counter_thread [2021-12-06 20:25:55,382 INFO L138 BoogieDeclarations]: Found implementation of procedure counter_thread [2021-12-06 20:25:55,382 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2021-12-06 20:25:55,382 INFO L130 BoogieDeclarations]: Found specification of procedure monitor_thread [2021-12-06 20:25:55,382 INFO L138 BoogieDeclarations]: Found implementation of procedure monitor_thread [2021-12-06 20:25:55,382 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2021-12-06 20:25:55,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 20:25:55,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 20:25:55,382 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-06 20:25:55,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 20:25:55,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:25:55,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:25:55,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 20:25:55,383 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2021-12-06 20:25:55,383 INFO L130 BoogieDeclarations]: Found specification of procedure time [2021-12-06 20:25:55,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 20:25:55,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 20:25:55,384 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-06 20:25:55,599 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:25:55,600 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:25:55,787 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:25:55,796 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:25:55,796 INFO L301 CfgBuilder]: Removed 19 assume(true) statements. [2021-12-06 20:25:55,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:25:55 BoogieIcfgContainer [2021-12-06 20:25:55,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:25:55,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 20:25:55,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 20:25:55,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 20:25:55,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 08:25:54" (1/3) ... [2021-12-06 20:25:55,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dcd0c21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:25:55, skipping insertion in model container [2021-12-06 20:25:55,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:25:55" (2/3) ... [2021-12-06 20:25:55,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dcd0c21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:25:55, skipping insertion in model container [2021-12-06 20:25:55,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:25:55" (3/3) ... [2021-12-06 20:25:55,804 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_35-trylock_rc.i [2021-12-06 20:25:55,807 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-06 20:25:55,808 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 20:25:55,808 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-12-06 20:25:55,808 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-06 20:25:55,854 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,854 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,855 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,855 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,855 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,855 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,855 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,855 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,855 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,856 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,856 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~misses~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,856 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~misses~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,856 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,856 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,856 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,856 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,856 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,857 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,857 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,857 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,857 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,857 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,857 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,857 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,858 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,858 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,858 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,858 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,858 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,858 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,858 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,858 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,859 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,859 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,859 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,859 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,859 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,859 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,859 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,859 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,860 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,860 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,860 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,860 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,860 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,860 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,860 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,860 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,861 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,861 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,861 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,861 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,861 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,861 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,861 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,862 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,862 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,862 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,862 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,862 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,862 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,862 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,863 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,863 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,863 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,863 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,863 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,863 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,863 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,864 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,864 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,864 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,864 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,864 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,864 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,864 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,865 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,865 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,865 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,865 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,865 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,866 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,866 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,866 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,866 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,867 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,867 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,867 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,867 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,867 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,868 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,868 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,868 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,868 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,869 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,869 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,869 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,870 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,870 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,870 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,870 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,870 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,870 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,871 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,871 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,871 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,871 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,871 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,871 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,871 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,871 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,872 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,872 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,872 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,872 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,872 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,872 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,872 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,872 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,873 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,873 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,873 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,873 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,873 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,873 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,873 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,873 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,874 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,874 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,874 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,874 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,874 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,874 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,874 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,874 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,874 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,875 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,875 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,875 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,875 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,875 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,875 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,875 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,876 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,876 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,876 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,876 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,876 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,876 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,876 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,876 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,877 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,877 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,877 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,877 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,877 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,878 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,878 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,878 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,878 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,878 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,878 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,879 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,879 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,879 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,879 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,880 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,880 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,880 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,880 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,880 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,881 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,881 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,881 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,881 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,881 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,881 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,881 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,881 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,882 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,882 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,882 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,882 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,882 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,882 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,882 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,882 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,882 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,883 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,883 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,883 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,883 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,883 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,883 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,883 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,883 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,887 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,887 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,887 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,887 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~misses~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,887 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,888 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,888 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,888 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,888 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,888 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,889 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,889 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,889 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,889 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,889 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,889 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,890 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,890 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,890 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,894 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,894 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,894 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,894 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,894 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,895 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,895 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,895 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,895 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,895 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,895 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,895 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,896 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,896 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,896 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,896 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,896 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,896 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:25:55,899 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-12-06 20:25:55,942 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 20:25:55,950 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, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-12-06 20:25:55,950 INFO L340 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2021-12-06 20:25:55,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 254 places, 278 transitions, 572 flow [2021-12-06 20:25:56,036 INFO L129 PetriNetUnfolder]: 31/276 cut-off events. [2021-12-06 20:25:56,036 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-06 20:25:56,042 INFO L84 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 276 events. 31/276 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 653 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 173. Up to 5 conditions per place. [2021-12-06 20:25:56,042 INFO L82 GeneralOperation]: Start removeDead. Operand has 254 places, 278 transitions, 572 flow [2021-12-06 20:25:56,048 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 243 places, 265 transitions, 542 flow [2021-12-06 20:25:56,054 INFO L129 PetriNetUnfolder]: 0/55 cut-off events. [2021-12-06 20:25:56,055 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 20:25:56,055 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:25:56,055 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:25:56,055 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-12-06 20:25:56,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:25:56,059 INFO L85 PathProgramCache]: Analyzing trace with hash -330155688, now seen corresponding path program 1 times [2021-12-06 20:25:56,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:25:56,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595605363] [2021-12-06 20:25:56,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:25:56,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:25:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:56,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:25:56,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:25:56,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595605363] [2021-12-06 20:25:56,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595605363] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:25:56,299 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:25:56,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:25:56,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693117075] [2021-12-06 20:25:56,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:25:56,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:25:56,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:25:56,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:25:56,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:25:56,335 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 278 [2021-12-06 20:25:56,341 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 265 transitions, 542 flow. Second operand has 3 states, 3 states have (on average 236.33333333333334) internal successors, (709), 3 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:56,341 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:25:56,341 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 278 [2021-12-06 20:25:56,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:25:56,463 INFO L129 PetriNetUnfolder]: 33/578 cut-off events. [2021-12-06 20:25:56,464 INFO L130 PetriNetUnfolder]: For 22/24 co-relation queries the response was YES. [2021-12-06 20:25:56,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 650 conditions, 578 events. 33/578 cut-off events. For 22/24 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3137 event pairs, 15 based on Foata normal form. 87/567 useless extension candidates. Maximal degree in co-relation 483. Up to 52 conditions per place. [2021-12-06 20:25:56,470 INFO L132 encePairwiseOnDemand]: 257/278 looper letters, 13 selfloop transitions, 2 changer transitions 3/231 dead transitions. [2021-12-06 20:25:56,470 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 231 transitions, 504 flow [2021-12-06 20:25:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:25:56,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 20:25:56,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 739 transitions. [2021-12-06 20:25:56,483 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8860911270983214 [2021-12-06 20:25:56,483 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 739 transitions. [2021-12-06 20:25:56,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 739 transitions. [2021-12-06 20:25:56,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:25:56,488 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 739 transitions. [2021-12-06 20:25:56,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:56,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:56,500 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:56,501 INFO L186 Difference]: Start difference. First operand has 243 places, 265 transitions, 542 flow. Second operand 3 states and 739 transitions. [2021-12-06 20:25:56,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 231 transitions, 504 flow [2021-12-06 20:25:56,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 231 transitions, 496 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-06 20:25:56,510 INFO L242 Difference]: Finished difference. Result has 232 places, 228 transitions, 464 flow [2021-12-06 20:25:56,512 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=464, PETRI_PLACES=232, PETRI_TRANSITIONS=228} [2021-12-06 20:25:56,515 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, -11 predicate places. [2021-12-06 20:25:56,515 INFO L470 AbstractCegarLoop]: Abstraction has has 232 places, 228 transitions, 464 flow [2021-12-06 20:25:56,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 236.33333333333334) internal successors, (709), 3 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:56,516 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:25:56,516 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:25:56,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 20:25:56,516 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting counter_threadErr0ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-12-06 20:25:56,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:25:56,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1172432305, now seen corresponding path program 1 times [2021-12-06 20:25:56,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:25:56,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050863471] [2021-12-06 20:25:56,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:25:56,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:25:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:56,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:25:56,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:25:56,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050863471] [2021-12-06 20:25:56,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050863471] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:25:56,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:25:56,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:25:56,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465759462] [2021-12-06 20:25:56,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:25:56,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:25:56,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:25:56,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:25:56,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:25:56,601 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 278 [2021-12-06 20:25:56,602 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 228 transitions, 464 flow. Second operand has 3 states, 3 states have (on average 239.66666666666666) internal successors, (719), 3 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:56,602 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:25:56,602 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 278 [2021-12-06 20:25:56,602 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:25:56,673 INFO L129 PetriNetUnfolder]: 23/534 cut-off events. [2021-12-06 20:25:56,674 INFO L130 PetriNetUnfolder]: For 5/11 co-relation queries the response was YES. [2021-12-06 20:25:56,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 576 conditions, 534 events. 23/534 cut-off events. For 5/11 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2687 event pairs, 5 based on Foata normal form. 0/456 useless extension candidates. Maximal degree in co-relation 512. Up to 29 conditions per place. [2021-12-06 20:25:56,678 INFO L132 encePairwiseOnDemand]: 274/278 looper letters, 11 selfloop transitions, 2 changer transitions 0/229 dead transitions. [2021-12-06 20:25:56,678 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 229 transitions, 493 flow [2021-12-06 20:25:56,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:25:56,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 20:25:56,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 729 transitions. [2021-12-06 20:25:56,681 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8741007194244604 [2021-12-06 20:25:56,681 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 729 transitions. [2021-12-06 20:25:56,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 729 transitions. [2021-12-06 20:25:56,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:25:56,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 729 transitions. [2021-12-06 20:25:56,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.0) internal successors, (729), 3 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:56,686 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:56,687 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:56,687 INFO L186 Difference]: Start difference. First operand has 232 places, 228 transitions, 464 flow. Second operand 3 states and 729 transitions. [2021-12-06 20:25:56,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 229 transitions, 493 flow [2021-12-06 20:25:56,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 229 transitions, 489 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 20:25:56,692 INFO L242 Difference]: Finished difference. Result has 228 places, 228 transitions, 470 flow [2021-12-06 20:25:56,693 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=470, PETRI_PLACES=228, PETRI_TRANSITIONS=228} [2021-12-06 20:25:56,693 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, -15 predicate places. [2021-12-06 20:25:56,694 INFO L470 AbstractCegarLoop]: Abstraction has has 228 places, 228 transitions, 470 flow [2021-12-06 20:25:56,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.66666666666666) internal successors, (719), 3 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:56,694 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:25:56,694 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:25:56,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 20:25:56,695 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-12-06 20:25:56,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:25:56,695 INFO L85 PathProgramCache]: Analyzing trace with hash -887398033, now seen corresponding path program 1 times [2021-12-06 20:25:56,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:25:56,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703872255] [2021-12-06 20:25:56,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:25:56,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:25:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:56,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:25:56,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:25:56,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703872255] [2021-12-06 20:25:56,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703872255] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:25:56,756 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:25:56,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:25:56,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465126327] [2021-12-06 20:25:56,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:25:56,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:25:56,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:25:56,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:25:56,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:25:56,758 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 278 [2021-12-06 20:25:56,759 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 228 transitions, 470 flow. Second operand has 3 states, 3 states have (on average 224.0) internal successors, (672), 3 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:56,759 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:25:56,759 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 278 [2021-12-06 20:25:56,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:25:56,859 INFO L129 PetriNetUnfolder]: 136/644 cut-off events. [2021-12-06 20:25:56,859 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-12-06 20:25:56,862 INFO L84 FinitePrefix]: Finished finitePrefix Result has 910 conditions, 644 events. 136/644 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3819 event pairs, 76 based on Foata normal form. 1/585 useless extension candidates. Maximal degree in co-relation 733. Up to 243 conditions per place. [2021-12-06 20:25:56,864 INFO L132 encePairwiseOnDemand]: 262/278 looper letters, 17 selfloop transitions, 7 changer transitions 8/229 dead transitions. [2021-12-06 20:25:56,864 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 229 transitions, 530 flow [2021-12-06 20:25:56,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:25:56,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 20:25:56,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 705 transitions. [2021-12-06 20:25:56,866 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8453237410071942 [2021-12-06 20:25:56,867 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 705 transitions. [2021-12-06 20:25:56,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 705 transitions. [2021-12-06 20:25:56,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:25:56,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 705 transitions. [2021-12-06 20:25:56,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 235.0) internal successors, (705), 3 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:56,871 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:56,872 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:56,872 INFO L186 Difference]: Start difference. First operand has 228 places, 228 transitions, 470 flow. Second operand 3 states and 705 transitions. [2021-12-06 20:25:56,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 229 transitions, 530 flow [2021-12-06 20:25:56,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 229 transitions, 530 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 20:25:56,877 INFO L242 Difference]: Finished difference. Result has 223 places, 219 transitions, 482 flow [2021-12-06 20:25:56,877 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=482, PETRI_PLACES=223, PETRI_TRANSITIONS=219} [2021-12-06 20:25:56,878 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, -20 predicate places. [2021-12-06 20:25:56,878 INFO L470 AbstractCegarLoop]: Abstraction has has 223 places, 219 transitions, 482 flow [2021-12-06 20:25:56,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 224.0) internal successors, (672), 3 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:56,878 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:25:56,879 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:25:56,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 20:25:56,879 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting counter_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-12-06 20:25:56,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:25:56,879 INFO L85 PathProgramCache]: Analyzing trace with hash 339946526, now seen corresponding path program 1 times [2021-12-06 20:25:56,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:25:56,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097367462] [2021-12-06 20:25:56,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:25:56,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:25:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:56,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:25:56,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:25:56,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097367462] [2021-12-06 20:25:56,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097367462] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:25:56,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:25:56,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:25:56,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775315917] [2021-12-06 20:25:56,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:25:56,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:25:56,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:25:56,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:25:56,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:25:56,944 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 278 [2021-12-06 20:25:56,945 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 219 transitions, 482 flow. Second operand has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:56,945 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:25:56,945 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 278 [2021-12-06 20:25:56,946 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:25:57,121 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([753] L1803-2-->L1803-3: Formula: (= |v_#race~end_time~0_4| 0) InVars {} OutVars{#race~end_time~0=|v_#race~end_time~0_4|} AuxVars[] AssignedVars[#race~end_time~0][117], [51#L1803-3true, 34#L1843-3true, 271#true, 78#L1819-3true, Black: 261#true, 266#true, 263#(= |#race~end_time~0| 0)]) [2021-12-06 20:25:57,121 INFO L384 tUnfolder$Statistics]: this new event has 130 ancestors and is cut-off event [2021-12-06 20:25:57,121 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-06 20:25:57,121 INFO L387 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2021-12-06 20:25:57,122 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-06 20:25:57,126 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([689] L1819-2-->L1819-3: Formula: (= |v_#race~end_time~0_1| 0) InVars {} OutVars{#race~end_time~0=|v_#race~end_time~0_1|} AuxVars[] AssignedVars[#race~end_time~0][109], [51#L1803-3true, 34#L1843-3true, 271#true, 78#L1819-3true, Black: 261#true, 266#true, 263#(= |#race~end_time~0| 0)]) [2021-12-06 20:25:57,126 INFO L384 tUnfolder$Statistics]: this new event has 130 ancestors and is cut-off event [2021-12-06 20:25:57,126 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-12-06 20:25:57,126 INFO L387 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2021-12-06 20:25:57,126 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-06 20:25:57,130 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([753] L1803-2-->L1803-3: Formula: (= |v_#race~end_time~0_4| 0) InVars {} OutVars{#race~end_time~0=|v_#race~end_time~0_4|} AuxVars[] AssignedVars[#race~end_time~0][117], [34#L1843-3true, 51#L1803-3true, 271#true, 78#L1819-3true, Black: 261#true, 266#true, 263#(= |#race~end_time~0| 0)]) [2021-12-06 20:25:57,130 INFO L384 tUnfolder$Statistics]: this new event has 132 ancestors and is cut-off event [2021-12-06 20:25:57,130 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-06 20:25:57,130 INFO L387 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2021-12-06 20:25:57,130 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-06 20:25:57,131 INFO L387 tUnfolder$Statistics]: existing Event has 130 ancestors and is cut-off event [2021-12-06 20:25:57,146 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([712] L1824-1-->L1824-2: Formula: (= |v_#race~stderr~0_1| 0) InVars {} OutVars{#race~stderr~0=|v_#race~stderr~0_1|} AuxVars[] AssignedVars[#race~stderr~0][175], [34#L1843-3true, 17#L1811-2true, 271#true, 268#(= |#race~stderr~0| 0), Black: 261#true, 123#L1824-2true, 263#(= |#race~end_time~0| 0), Black: 266#true]) [2021-12-06 20:25:57,146 INFO L384 tUnfolder$Statistics]: this new event has 141 ancestors and is cut-off event [2021-12-06 20:25:57,146 INFO L387 tUnfolder$Statistics]: existing Event has 120 ancestors and is cut-off event [2021-12-06 20:25:57,146 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-06 20:25:57,147 INFO L387 tUnfolder$Statistics]: existing Event has 139 ancestors and is cut-off event [2021-12-06 20:25:57,150 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([791] L1811-1-->L1811-2: Formula: (= |v_#race~stderr~0_10| 0) InVars {} OutVars{#race~stderr~0=|v_#race~stderr~0_10|} AuxVars[] AssignedVars[#race~stderr~0][151], [17#L1811-2true, 34#L1843-3true, 271#true, 268#(= |#race~stderr~0| 0), Black: 261#true, 123#L1824-2true, 263#(= |#race~end_time~0| 0), Black: 266#true]) [2021-12-06 20:25:57,150 INFO L384 tUnfolder$Statistics]: this new event has 141 ancestors and is cut-off event [2021-12-06 20:25:57,150 INFO L387 tUnfolder$Statistics]: existing Event has 139 ancestors and is cut-off event [2021-12-06 20:25:57,150 INFO L387 tUnfolder$Statistics]: existing Event has 120 ancestors and is cut-off event [2021-12-06 20:25:57,150 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-06 20:25:57,158 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([791] L1811-1-->L1811-2: Formula: (= |v_#race~stderr~0_10| 0) InVars {} OutVars{#race~stderr~0=|v_#race~stderr~0_10|} AuxVars[] AssignedVars[#race~stderr~0][151], [17#L1811-2true, 271#true, 268#(= |#race~stderr~0| 0), Black: 261#true, 123#L1824-2true, 263#(= |#race~end_time~0| 0), Black: 266#true, 178#L1845-5true]) [2021-12-06 20:25:57,158 INFO L384 tUnfolder$Statistics]: this new event has 147 ancestors and is cut-off event [2021-12-06 20:25:57,159 INFO L387 tUnfolder$Statistics]: existing Event has 113 ancestors and is cut-off event [2021-12-06 20:25:57,159 INFO L387 tUnfolder$Statistics]: existing Event has 145 ancestors and is cut-off event [2021-12-06 20:25:57,159 INFO L387 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2021-12-06 20:25:57,173 INFO L129 PetriNetUnfolder]: 218/1608 cut-off events. [2021-12-06 20:25:57,173 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2021-12-06 20:25:57,179 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2117 conditions, 1608 events. 218/1608 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 12073 event pairs, 35 based on Foata normal form. 0/1420 useless extension candidates. Maximal degree in co-relation 1922. Up to 184 conditions per place. [2021-12-06 20:25:57,187 INFO L132 encePairwiseOnDemand]: 267/278 looper letters, 24 selfloop transitions, 8 changer transitions 0/233 dead transitions. [2021-12-06 20:25:57,187 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 233 transitions, 576 flow [2021-12-06 20:25:57,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:25:57,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 20:25:57,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 731 transitions. [2021-12-06 20:25:57,190 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8764988009592326 [2021-12-06 20:25:57,191 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 731 transitions. [2021-12-06 20:25:57,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 731 transitions. [2021-12-06 20:25:57,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:25:57,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 731 transitions. [2021-12-06 20:25:57,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:57,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:57,198 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:57,198 INFO L186 Difference]: Start difference. First operand has 223 places, 219 transitions, 482 flow. Second operand 3 states and 731 transitions. [2021-12-06 20:25:57,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 233 transitions, 576 flow [2021-12-06 20:25:57,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 233 transitions, 576 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 20:25:57,205 INFO L242 Difference]: Finished difference. Result has 221 places, 227 transitions, 552 flow [2021-12-06 20:25:57,206 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=482, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=552, PETRI_PLACES=221, PETRI_TRANSITIONS=227} [2021-12-06 20:25:57,206 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, -22 predicate places. [2021-12-06 20:25:57,207 INFO L470 AbstractCegarLoop]: Abstraction has has 221 places, 227 transitions, 552 flow [2021-12-06 20:25:57,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:57,208 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:25:57,208 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:25:57,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 20:25:57,208 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-12-06 20:25:57,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:25:57,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1605012978, now seen corresponding path program 1 times [2021-12-06 20:25:57,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:25:57,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445428911] [2021-12-06 20:25:57,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:25:57,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:25:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:57,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:25:57,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:25:57,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445428911] [2021-12-06 20:25:57,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445428911] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:25:57,369 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:25:57,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:25:57,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168898268] [2021-12-06 20:25:57,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:25:57,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:25:57,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:25:57,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:25:57,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:25:57,373 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 278 [2021-12-06 20:25:57,375 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 227 transitions, 552 flow. Second operand has 6 states, 6 states have (on average 230.83333333333334) internal successors, (1385), 6 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:57,375 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:25:57,375 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 278 [2021-12-06 20:25:57,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:25:57,565 INFO L129 PetriNetUnfolder]: 110/1125 cut-off events. [2021-12-06 20:25:57,565 INFO L130 PetriNetUnfolder]: For 40/68 co-relation queries the response was YES. [2021-12-06 20:25:57,570 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1503 conditions, 1125 events. 110/1125 cut-off events. For 40/68 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 7484 event pairs, 13 based on Foata normal form. 16/1030 useless extension candidates. Maximal degree in co-relation 1302. Up to 138 conditions per place. [2021-12-06 20:25:57,574 INFO L132 encePairwiseOnDemand]: 273/278 looper letters, 14 selfloop transitions, 4 changer transitions 0/226 dead transitions. [2021-12-06 20:25:57,574 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 226 transitions, 586 flow [2021-12-06 20:25:57,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 20:25:57,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 20:25:57,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1393 transitions. [2021-12-06 20:25:57,579 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8351318944844125 [2021-12-06 20:25:57,580 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1393 transitions. [2021-12-06 20:25:57,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1393 transitions. [2021-12-06 20:25:57,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:25:57,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1393 transitions. [2021-12-06 20:25:57,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 232.16666666666666) internal successors, (1393), 6 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:57,590 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 278.0) internal successors, (1946), 7 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:57,592 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 278.0) internal successors, (1946), 7 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:57,592 INFO L186 Difference]: Start difference. First operand has 221 places, 227 transitions, 552 flow. Second operand 6 states and 1393 transitions. [2021-12-06 20:25:57,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 226 transitions, 586 flow [2021-12-06 20:25:57,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 226 transitions, 570 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 20:25:57,600 INFO L242 Difference]: Finished difference. Result has 223 places, 226 transitions, 542 flow [2021-12-06 20:25:57,600 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=542, PETRI_PLACES=223, PETRI_TRANSITIONS=226} [2021-12-06 20:25:57,601 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, -20 predicate places. [2021-12-06 20:25:57,601 INFO L470 AbstractCegarLoop]: Abstraction has has 223 places, 226 transitions, 542 flow [2021-12-06 20:25:57,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 230.83333333333334) internal successors, (1385), 6 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:57,602 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:25:57,603 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:25:57,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 20:25:57,603 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting counter_threadErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-12-06 20:25:57,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:25:57,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1807045737, now seen corresponding path program 1 times [2021-12-06 20:25:57,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:25:57,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758193012] [2021-12-06 20:25:57,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:25:57,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:25:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:57,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:25:57,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:25:57,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758193012] [2021-12-06 20:25:57,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758193012] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:25:57,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:25:57,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:25:57,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501169796] [2021-12-06 20:25:57,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:25:57,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:25:57,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:25:57,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:25:57,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:25:57,671 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 278 [2021-12-06 20:25:57,672 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 226 transitions, 542 flow. Second operand has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:57,672 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:25:57,673 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 278 [2021-12-06 20:25:57,673 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:25:57,850 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([753] L1803-2-->L1803-3: Formula: (= |v_#race~end_time~0_4| 0) InVars {} OutVars{#race~end_time~0=|v_#race~end_time~0_4|} AuxVars[] AssignedVars[#race~end_time~0][117], [34#L1843-3true, 51#L1803-3true, 277#true, Black: 273#(= |#race~counter~0| 0), 78#L1819-3true, Black: 261#true, 266#true, 284#true, 263#(= |#race~end_time~0| 0)]) [2021-12-06 20:25:57,850 INFO L384 tUnfolder$Statistics]: this new event has 132 ancestors and is cut-off event [2021-12-06 20:25:57,850 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-06 20:25:57,850 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-06 20:25:57,850 INFO L387 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2021-12-06 20:25:57,862 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([753] L1803-2-->L1803-3: Formula: (= |v_#race~end_time~0_4| 0) InVars {} OutVars{#race~end_time~0=|v_#race~end_time~0_4|} AuxVars[] AssignedVars[#race~end_time~0][117], [34#L1843-3true, 51#L1803-3true, 277#true, Black: 273#(= |#race~counter~0| 0), 78#L1819-3true, Black: 261#true, 266#true, 284#true, 263#(= |#race~end_time~0| 0)]) [2021-12-06 20:25:57,862 INFO L384 tUnfolder$Statistics]: this new event has 130 ancestors and is cut-off event [2021-12-06 20:25:57,863 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-06 20:25:57,863 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-06 20:25:57,863 INFO L387 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2021-12-06 20:25:57,863 INFO L387 tUnfolder$Statistics]: existing Event has 132 ancestors and is cut-off event [2021-12-06 20:25:57,868 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([689] L1819-2-->L1819-3: Formula: (= |v_#race~end_time~0_1| 0) InVars {} OutVars{#race~end_time~0=|v_#race~end_time~0_1|} AuxVars[] AssignedVars[#race~end_time~0][109], [34#L1843-3true, 51#L1803-3true, 277#true, Black: 273#(= |#race~counter~0| 0), 78#L1819-3true, Black: 261#true, 266#true, 284#true, 263#(= |#race~end_time~0| 0)]) [2021-12-06 20:25:57,868 INFO L384 tUnfolder$Statistics]: this new event has 130 ancestors and is cut-off event [2021-12-06 20:25:57,868 INFO L387 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2021-12-06 20:25:57,868 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-12-06 20:25:57,868 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-06 20:25:57,900 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([712] L1824-1-->L1824-2: Formula: (= |v_#race~stderr~0_1| 0) InVars {} OutVars{#race~stderr~0=|v_#race~stderr~0_1|} AuxVars[] AssignedVars[#race~stderr~0][173], [34#L1843-3true, 17#L1811-2true, 277#true, Black: 273#(= |#race~counter~0| 0), 268#(= |#race~stderr~0| 0), 123#L1824-2true, Black: 261#true, 284#true, 263#(= |#race~end_time~0| 0), Black: 266#true]) [2021-12-06 20:25:57,900 INFO L384 tUnfolder$Statistics]: this new event has 141 ancestors and is cut-off event [2021-12-06 20:25:57,900 INFO L387 tUnfolder$Statistics]: existing Event has 120 ancestors and is cut-off event [2021-12-06 20:25:57,900 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-06 20:25:57,900 INFO L387 tUnfolder$Statistics]: existing Event has 139 ancestors and is cut-off event [2021-12-06 20:25:57,903 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([791] L1811-1-->L1811-2: Formula: (= |v_#race~stderr~0_10| 0) InVars {} OutVars{#race~stderr~0=|v_#race~stderr~0_10|} AuxVars[] AssignedVars[#race~stderr~0][149], [34#L1843-3true, 17#L1811-2true, 277#true, 268#(= |#race~stderr~0| 0), Black: 273#(= |#race~counter~0| 0), 123#L1824-2true, Black: 261#true, 284#true, 263#(= |#race~end_time~0| 0), Black: 266#true]) [2021-12-06 20:25:57,903 INFO L384 tUnfolder$Statistics]: this new event has 141 ancestors and is cut-off event [2021-12-06 20:25:57,903 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-06 20:25:57,903 INFO L387 tUnfolder$Statistics]: existing Event has 139 ancestors and is cut-off event [2021-12-06 20:25:57,903 INFO L387 tUnfolder$Statistics]: existing Event has 120 ancestors and is cut-off event [2021-12-06 20:25:57,912 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([791] L1811-1-->L1811-2: Formula: (= |v_#race~stderr~0_10| 0) InVars {} OutVars{#race~stderr~0=|v_#race~stderr~0_10|} AuxVars[] AssignedVars[#race~stderr~0][149], [17#L1811-2true, 277#true, Black: 273#(= |#race~counter~0| 0), 268#(= |#race~stderr~0| 0), Black: 261#true, 123#L1824-2true, 284#true, 263#(= |#race~end_time~0| 0), Black: 266#true, 178#L1845-5true]) [2021-12-06 20:25:57,912 INFO L384 tUnfolder$Statistics]: this new event has 147 ancestors and is cut-off event [2021-12-06 20:25:57,912 INFO L387 tUnfolder$Statistics]: existing Event has 145 ancestors and is cut-off event [2021-12-06 20:25:57,912 INFO L387 tUnfolder$Statistics]: existing Event has 113 ancestors and is cut-off event [2021-12-06 20:25:57,912 INFO L387 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2021-12-06 20:25:57,925 INFO L129 PetriNetUnfolder]: 266/1958 cut-off events. [2021-12-06 20:25:57,925 INFO L130 PetriNetUnfolder]: For 134/173 co-relation queries the response was YES. [2021-12-06 20:25:57,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2773 conditions, 1958 events. 266/1958 cut-off events. For 134/173 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 15801 event pairs, 50 based on Foata normal form. 6/1757 useless extension candidates. Maximal degree in co-relation 2569. Up to 246 conditions per place. [2021-12-06 20:25:57,957 INFO L132 encePairwiseOnDemand]: 271/278 looper letters, 35 selfloop transitions, 10 changer transitions 0/243 dead transitions. [2021-12-06 20:25:57,957 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 243 transitions, 691 flow [2021-12-06 20:25:57,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:25:57,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 20:25:57,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 723 transitions. [2021-12-06 20:25:57,960 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8669064748201439 [2021-12-06 20:25:57,960 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 723 transitions. [2021-12-06 20:25:57,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 723 transitions. [2021-12-06 20:25:57,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:25:57,961 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 723 transitions. [2021-12-06 20:25:57,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:57,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:57,966 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:57,966 INFO L186 Difference]: Start difference. First operand has 223 places, 226 transitions, 542 flow. Second operand 3 states and 723 transitions. [2021-12-06 20:25:57,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 243 transitions, 691 flow [2021-12-06 20:25:57,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 243 transitions, 684 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-06 20:25:57,973 INFO L242 Difference]: Finished difference. Result has 223 places, 234 transitions, 621 flow [2021-12-06 20:25:57,974 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=535, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=621, PETRI_PLACES=223, PETRI_TRANSITIONS=234} [2021-12-06 20:25:57,974 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, -20 predicate places. [2021-12-06 20:25:57,975 INFO L470 AbstractCegarLoop]: Abstraction has has 223 places, 234 transitions, 621 flow [2021-12-06 20:25:57,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:57,975 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:25:57,975 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:25:57,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 20:25:57,976 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting monitor_threadErr5ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-12-06 20:25:57,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:25:57,976 INFO L85 PathProgramCache]: Analyzing trace with hash -391105120, now seen corresponding path program 1 times [2021-12-06 20:25:57,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:25:57,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431476492] [2021-12-06 20:25:57,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:25:57,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:25:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:58,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:25:58,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:25:58,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431476492] [2021-12-06 20:25:58,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431476492] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:25:58,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:25:58,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:25:58,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416551584] [2021-12-06 20:25:58,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:25:58,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:25:58,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:25:58,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:25:58,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:25:58,043 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 278 [2021-12-06 20:25:58,044 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 234 transitions, 621 flow. Second operand has 3 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:58,044 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:25:58,044 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 278 [2021-12-06 20:25:58,044 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:25:58,216 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([753] L1803-2-->L1803-3: Formula: (= |v_#race~end_time~0_4| 0) InVars {} OutVars{#race~end_time~0=|v_#race~end_time~0_4|} AuxVars[] AssignedVars[#race~end_time~0][117], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 34#L1843-3true, 51#L1803-3true, Black: 273#(= |#race~counter~0| 0), 78#L1819-3true, Black: 261#true, 266#true, 284#true, 290#true, 263#(= |#race~end_time~0| 0)]) [2021-12-06 20:25:58,216 INFO L384 tUnfolder$Statistics]: this new event has 132 ancestors and is cut-off event [2021-12-06 20:25:58,216 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-06 20:25:58,216 INFO L387 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2021-12-06 20:25:58,216 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-06 20:25:58,226 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([753] L1803-2-->L1803-3: Formula: (= |v_#race~end_time~0_4| 0) InVars {} OutVars{#race~end_time~0=|v_#race~end_time~0_4|} AuxVars[] AssignedVars[#race~end_time~0][117], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 34#L1843-3true, 51#L1803-3true, Black: 271#true, 78#L1819-3true, Black: 261#true, 266#true, 284#true, 290#true, 263#(= |#race~end_time~0| 0)]) [2021-12-06 20:25:58,226 INFO L384 tUnfolder$Statistics]: this new event has 130 ancestors and is cut-off event [2021-12-06 20:25:58,226 INFO L387 tUnfolder$Statistics]: existing Event has 130 ancestors and is cut-off event [2021-12-06 20:25:58,226 INFO L387 tUnfolder$Statistics]: existing Event has 117 ancestors and is cut-off event [2021-12-06 20:25:58,226 INFO L387 tUnfolder$Statistics]: existing Event has 100 ancestors and is cut-off event [2021-12-06 20:25:58,233 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([753] L1803-2-->L1803-3: Formula: (= |v_#race~end_time~0_4| 0) InVars {} OutVars{#race~end_time~0=|v_#race~end_time~0_4|} AuxVars[] AssignedVars[#race~end_time~0][117], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 34#L1843-3true, 51#L1803-3true, Black: 273#(= |#race~counter~0| 0), 78#L1819-3true, Black: 261#true, 266#true, 290#true, 284#true, 263#(= |#race~end_time~0| 0)]) [2021-12-06 20:25:58,234 INFO L384 tUnfolder$Statistics]: this new event has 130 ancestors and is cut-off event [2021-12-06 20:25:58,234 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-06 20:25:58,234 INFO L387 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2021-12-06 20:25:58,234 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-06 20:25:58,234 INFO L387 tUnfolder$Statistics]: existing Event has 132 ancestors and is cut-off event [2021-12-06 20:25:58,240 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([689] L1819-2-->L1819-3: Formula: (= |v_#race~end_time~0_1| 0) InVars {} OutVars{#race~end_time~0=|v_#race~end_time~0_1|} AuxVars[] AssignedVars[#race~end_time~0][109], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 34#L1843-3true, 51#L1803-3true, Black: 273#(= |#race~counter~0| 0), 78#L1819-3true, Black: 261#true, 266#true, 290#true, 284#true, 263#(= |#race~end_time~0| 0)]) [2021-12-06 20:25:58,241 INFO L384 tUnfolder$Statistics]: this new event has 130 ancestors and is cut-off event [2021-12-06 20:25:58,241 INFO L387 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2021-12-06 20:25:58,241 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-12-06 20:25:58,241 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-06 20:25:58,273 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([712] L1824-1-->L1824-2: Formula: (= |v_#race~stderr~0_1| 0) InVars {} OutVars{#race~stderr~0=|v_#race~stderr~0_1|} AuxVars[] AssignedVars[#race~stderr~0][172], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 34#L1843-3true, 17#L1811-2true, 268#(= |#race~stderr~0| 0), Black: 273#(= |#race~counter~0| 0), Black: 261#true, 123#L1824-2true, 284#true, 290#true, 263#(= |#race~end_time~0| 0), Black: 266#true]) [2021-12-06 20:25:58,274 INFO L384 tUnfolder$Statistics]: this new event has 141 ancestors and is cut-off event [2021-12-06 20:25:58,274 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-06 20:25:58,274 INFO L387 tUnfolder$Statistics]: existing Event has 139 ancestors and is cut-off event [2021-12-06 20:25:58,274 INFO L387 tUnfolder$Statistics]: existing Event has 120 ancestors and is cut-off event [2021-12-06 20:25:58,277 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([791] L1811-1-->L1811-2: Formula: (= |v_#race~stderr~0_10| 0) InVars {} OutVars{#race~stderr~0=|v_#race~stderr~0_10|} AuxVars[] AssignedVars[#race~stderr~0][149], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 34#L1843-3true, 17#L1811-2true, 268#(= |#race~stderr~0| 0), Black: 273#(= |#race~counter~0| 0), Black: 261#true, 123#L1824-2true, 284#true, 290#true, 263#(= |#race~end_time~0| 0), Black: 266#true]) [2021-12-06 20:25:58,277 INFO L384 tUnfolder$Statistics]: this new event has 141 ancestors and is cut-off event [2021-12-06 20:25:58,277 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-06 20:25:58,277 INFO L387 tUnfolder$Statistics]: existing Event has 120 ancestors and is cut-off event [2021-12-06 20:25:58,277 INFO L387 tUnfolder$Statistics]: existing Event has 139 ancestors and is cut-off event [2021-12-06 20:25:58,286 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([791] L1811-1-->L1811-2: Formula: (= |v_#race~stderr~0_10| 0) InVars {} OutVars{#race~stderr~0=|v_#race~stderr~0_10|} AuxVars[] AssignedVars[#race~stderr~0][149], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 17#L1811-2true, Black: 273#(= |#race~counter~0| 0), 268#(= |#race~stderr~0| 0), Black: 261#true, 123#L1824-2true, 284#true, 290#true, 263#(= |#race~end_time~0| 0), Black: 266#true, 178#L1845-5true]) [2021-12-06 20:25:58,286 INFO L384 tUnfolder$Statistics]: this new event has 147 ancestors and is cut-off event [2021-12-06 20:25:58,286 INFO L387 tUnfolder$Statistics]: existing Event has 113 ancestors and is cut-off event [2021-12-06 20:25:58,286 INFO L387 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2021-12-06 20:25:58,286 INFO L387 tUnfolder$Statistics]: existing Event has 145 ancestors and is cut-off event [2021-12-06 20:25:58,300 INFO L129 PetriNetUnfolder]: 287/1942 cut-off events. [2021-12-06 20:25:58,300 INFO L130 PetriNetUnfolder]: For 487/603 co-relation queries the response was YES. [2021-12-06 20:25:58,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2978 conditions, 1942 events. 287/1942 cut-off events. For 487/603 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 15298 event pairs, 43 based on Foata normal form. 4/1751 useless extension candidates. Maximal degree in co-relation 2768. Up to 258 conditions per place. [2021-12-06 20:25:58,316 INFO L132 encePairwiseOnDemand]: 272/278 looper letters, 38 selfloop transitions, 9 changer transitions 0/246 dead transitions. [2021-12-06 20:25:58,316 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 246 transitions, 768 flow [2021-12-06 20:25:58,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:25:58,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 20:25:58,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 720 transitions. [2021-12-06 20:25:58,318 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8633093525179856 [2021-12-06 20:25:58,318 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 720 transitions. [2021-12-06 20:25:58,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 720 transitions. [2021-12-06 20:25:58,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:25:58,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 720 transitions. [2021-12-06 20:25:58,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 240.0) internal successors, (720), 3 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:58,322 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:58,322 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:58,322 INFO L186 Difference]: Start difference. First operand has 223 places, 234 transitions, 621 flow. Second operand 3 states and 720 transitions. [2021-12-06 20:25:58,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 246 transitions, 768 flow [2021-12-06 20:25:58,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 246 transitions, 742 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 20:25:58,328 INFO L242 Difference]: Finished difference. Result has 225 places, 239 transitions, 669 flow [2021-12-06 20:25:58,329 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=601, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=669, PETRI_PLACES=225, PETRI_TRANSITIONS=239} [2021-12-06 20:25:58,329 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, -18 predicate places. [2021-12-06 20:25:58,330 INFO L470 AbstractCegarLoop]: Abstraction has has 225 places, 239 transitions, 669 flow [2021-12-06 20:25:58,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:58,330 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:25:58,330 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:25:58,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 20:25:58,330 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-12-06 20:25:58,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:25:58,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1477232528, now seen corresponding path program 1 times [2021-12-06 20:25:58,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:25:58,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765387615] [2021-12-06 20:25:58,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:25:58,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:25:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:58,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:25:58,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:25:58,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765387615] [2021-12-06 20:25:58,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765387615] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:25:58,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:25:58,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:25:58,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510290937] [2021-12-06 20:25:58,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:25:58,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:25:58,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:25:58,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:25:58,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:25:58,440 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 278 [2021-12-06 20:25:58,442 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 239 transitions, 669 flow. Second operand has 6 states, 6 states have (on average 231.83333333333334) internal successors, (1391), 6 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:58,442 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:25:58,442 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 278 [2021-12-06 20:25:58,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:25:58,588 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([706] L1830-->L1830-1: Formula: (= |v_#race~counter~0_4| 0) InVars {} OutVars{#race~counter~0=|v_#race~counter~0_4|} AuxVars[] AssignedVars[#race~counter~0][187], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 34#L1843-3true, 24#L1808-7true, Black: 271#true, Black: 292#(= |#race~counter~0| |monitor_threadThread1of1ForFork0_#t~nondet49|), Black: 261#true, 11#L1830-1true, 266#true, 296#true, 290#true, 263#(= |#race~end_time~0| 0)]) [2021-12-06 20:25:58,588 INFO L384 tUnfolder$Statistics]: this new event has 128 ancestors and is cut-off event [2021-12-06 20:25:58,588 INFO L387 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2021-12-06 20:25:58,588 INFO L387 tUnfolder$Statistics]: existing Event has 128 ancestors and is cut-off event [2021-12-06 20:25:58,589 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-06 20:25:58,597 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([713] L1825-->L1825-1: Formula: (= |v_#race~counter~0_1| 0) InVars {} OutVars{#race~counter~0=|v_#race~counter~0_1|} AuxVars[] AssignedVars[#race~counter~0][197], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 34#L1843-3true, 24#L1808-7true, Black: 271#true, Black: 292#(= |#race~counter~0| |monitor_threadThread1of1ForFork0_#t~nondet49|), 16#L1825-1true, Black: 261#true, 266#true, 296#true, 290#true, 263#(= |#race~end_time~0| 0)]) [2021-12-06 20:25:58,597 INFO L384 tUnfolder$Statistics]: this new event has 130 ancestors and is cut-off event [2021-12-06 20:25:58,597 INFO L387 tUnfolder$Statistics]: existing Event has 130 ancestors and is cut-off event [2021-12-06 20:25:58,597 INFO L387 tUnfolder$Statistics]: existing Event has 128 ancestors and is cut-off event [2021-12-06 20:25:58,597 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-06 20:25:58,630 INFO L129 PetriNetUnfolder]: 198/1577 cut-off events. [2021-12-06 20:25:58,630 INFO L130 PetriNetUnfolder]: For 245/309 co-relation queries the response was YES. [2021-12-06 20:25:58,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2305 conditions, 1577 events. 198/1577 cut-off events. For 245/309 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 11878 event pairs, 13 based on Foata normal form. 4/1427 useless extension candidates. Maximal degree in co-relation 2097. Up to 189 conditions per place. [2021-12-06 20:25:58,645 INFO L132 encePairwiseOnDemand]: 273/278 looper letters, 13 selfloop transitions, 4 changer transitions 0/238 dead transitions. [2021-12-06 20:25:58,645 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 238 transitions, 701 flow [2021-12-06 20:25:58,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 20:25:58,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 20:25:58,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1392 transitions. [2021-12-06 20:25:58,648 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8345323741007195 [2021-12-06 20:25:58,648 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1392 transitions. [2021-12-06 20:25:58,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1392 transitions. [2021-12-06 20:25:58,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:25:58,650 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1392 transitions. [2021-12-06 20:25:58,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:58,655 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 278.0) internal successors, (1946), 7 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:58,656 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 278.0) internal successors, (1946), 7 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:58,656 INFO L186 Difference]: Start difference. First operand has 225 places, 239 transitions, 669 flow. Second operand 6 states and 1392 transitions. [2021-12-06 20:25:58,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 238 transitions, 701 flow [2021-12-06 20:25:58,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 238 transitions, 683 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 20:25:58,662 INFO L242 Difference]: Finished difference. Result has 227 places, 238 transitions, 657 flow [2021-12-06 20:25:58,663 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=649, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=657, PETRI_PLACES=227, PETRI_TRANSITIONS=238} [2021-12-06 20:25:58,663 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, -16 predicate places. [2021-12-06 20:25:58,663 INFO L470 AbstractCegarLoop]: Abstraction has has 227 places, 238 transitions, 657 flow [2021-12-06 20:25:58,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 231.83333333333334) internal successors, (1391), 6 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:58,664 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:25:58,664 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:25:58,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 20:25:58,664 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting monitor_threadErr4ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-12-06 20:25:58,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:25:58,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1206236163, now seen corresponding path program 1 times [2021-12-06 20:25:58,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:25:58,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332488365] [2021-12-06 20:25:58,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:25:58,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:25:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:58,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:25:58,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:25:58,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332488365] [2021-12-06 20:25:58,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332488365] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:25:58,748 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:25:58,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:25:58,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269858525] [2021-12-06 20:25:58,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:25:58,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:25:58,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:25:58,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:25:58,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:25:58,750 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 278 [2021-12-06 20:25:58,751 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 238 transitions, 657 flow. Second operand has 5 states, 5 states have (on average 229.8) internal successors, (1149), 5 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:58,751 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:25:58,751 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 278 [2021-12-06 20:25:58,751 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:25:58,961 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([706] L1830-->L1830-1: Formula: (= |v_#race~counter~0_4| 0) InVars {} OutVars{#race~counter~0=|v_#race~counter~0_4|} AuxVars[] AssignedVars[#race~counter~0][203], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 34#L1843-3true, Black: 271#true, 83#L1808-2true, Black: 292#(= |#race~counter~0| |monitor_threadThread1of1ForFork0_#t~nondet49|), Black: 261#true, 11#L1830-1true, 266#true, 296#true, 263#(= |#race~end_time~0| 0), 307#(not (= (select (select |#pthreadsMutex| |~#mutex~0.base|) |~#mutex~0.offset|) 0))]) [2021-12-06 20:25:58,961 INFO L384 tUnfolder$Statistics]: this new event has 123 ancestors and is cut-off event [2021-12-06 20:25:58,961 INFO L387 tUnfolder$Statistics]: existing Event has 121 ancestors and is cut-off event [2021-12-06 20:25:58,961 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-12-06 20:25:58,961 INFO L387 tUnfolder$Statistics]: existing Event has 121 ancestors and is cut-off event [2021-12-06 20:25:58,987 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([713] L1825-->L1825-1: Formula: (= |v_#race~counter~0_1| 0) InVars {} OutVars{#race~counter~0=|v_#race~counter~0_1|} AuxVars[] AssignedVars[#race~counter~0][212], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 34#L1843-3true, Black: 271#true, 83#L1808-2true, Black: 292#(= |#race~counter~0| |monitor_threadThread1of1ForFork0_#t~nondet49|), 16#L1825-1true, Black: 261#true, 266#true, 296#true, 263#(= |#race~end_time~0| 0), 307#(not (= (select (select |#pthreadsMutex| |~#mutex~0.base|) |~#mutex~0.offset|) 0))]) [2021-12-06 20:25:58,987 INFO L384 tUnfolder$Statistics]: this new event has 125 ancestors and is cut-off event [2021-12-06 20:25:58,987 INFO L387 tUnfolder$Statistics]: existing Event has 123 ancestors and is cut-off event [2021-12-06 20:25:58,987 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-06 20:25:58,987 INFO L387 tUnfolder$Statistics]: existing Event has 123 ancestors and is cut-off event [2021-12-06 20:25:59,010 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([706] L1830-->L1830-1: Formula: (= |v_#race~counter~0_4| 0) InVars {} OutVars{#race~counter~0=|v_#race~counter~0_4|} AuxVars[] AssignedVars[#race~counter~0][204], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 34#L1843-3true, 24#L1808-7true, Black: 271#true, Black: 292#(= |#race~counter~0| |monitor_threadThread1of1ForFork0_#t~nondet49|), Black: 261#true, 11#L1830-1true, 266#true, 296#true, 263#(= |#race~end_time~0| 0), 307#(not (= (select (select |#pthreadsMutex| |~#mutex~0.base|) |~#mutex~0.offset|) 0))]) [2021-12-06 20:25:59,010 INFO L384 tUnfolder$Statistics]: this new event has 128 ancestors and is cut-off event [2021-12-06 20:25:59,011 INFO L387 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2021-12-06 20:25:59,011 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-12-06 20:25:59,011 INFO L387 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2021-12-06 20:25:59,026 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([713] L1825-->L1825-1: Formula: (= |v_#race~counter~0_1| 0) InVars {} OutVars{#race~counter~0=|v_#race~counter~0_1|} AuxVars[] AssignedVars[#race~counter~0][213], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 34#L1843-3true, 24#L1808-7true, Black: 271#true, Black: 292#(= |#race~counter~0| |monitor_threadThread1of1ForFork0_#t~nondet49|), 16#L1825-1true, Black: 261#true, 266#true, 296#true, 263#(= |#race~end_time~0| 0), 307#(not (= (select (select |#pthreadsMutex| |~#mutex~0.base|) |~#mutex~0.offset|) 0))]) [2021-12-06 20:25:59,026 INFO L384 tUnfolder$Statistics]: this new event has 130 ancestors and is cut-off event [2021-12-06 20:25:59,026 INFO L387 tUnfolder$Statistics]: existing Event has 128 ancestors and is cut-off event [2021-12-06 20:25:59,026 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-06 20:25:59,026 INFO L387 tUnfolder$Statistics]: existing Event has 128 ancestors and is cut-off event [2021-12-06 20:25:59,092 INFO L129 PetriNetUnfolder]: 381/3098 cut-off events. [2021-12-06 20:25:59,092 INFO L130 PetriNetUnfolder]: For 268/314 co-relation queries the response was YES. [2021-12-06 20:25:59,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4571 conditions, 3098 events. 381/3098 cut-off events. For 268/314 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 29596 event pairs, 27 based on Foata normal form. 23/2834 useless extension candidates. Maximal degree in co-relation 4329. Up to 308 conditions per place. [2021-12-06 20:25:59,114 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 33 selfloop transitions, 12 changer transitions 0/260 dead transitions. [2021-12-06 20:25:59,114 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 260 transitions, 794 flow [2021-12-06 20:25:59,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:25:59,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-12-06 20:25:59,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 954 transitions. [2021-12-06 20:25:59,116 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8579136690647482 [2021-12-06 20:25:59,117 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 954 transitions. [2021-12-06 20:25:59,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 954 transitions. [2021-12-06 20:25:59,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:25:59,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 954 transitions. [2021-12-06 20:25:59,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 238.5) internal successors, (954), 4 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:59,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 278.0) internal successors, (1390), 5 states have internal predecessors, (1390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:59,122 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 278.0) internal successors, (1390), 5 states have internal predecessors, (1390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:59,122 INFO L186 Difference]: Start difference. First operand has 227 places, 238 transitions, 657 flow. Second operand 4 states and 954 transitions. [2021-12-06 20:25:59,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 260 transitions, 794 flow [2021-12-06 20:25:59,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 260 transitions, 787 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-06 20:25:59,128 INFO L242 Difference]: Finished difference. Result has 228 places, 249 transitions, 727 flow [2021-12-06 20:25:59,128 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=727, PETRI_PLACES=228, PETRI_TRANSITIONS=249} [2021-12-06 20:25:59,129 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, -15 predicate places. [2021-12-06 20:25:59,129 INFO L470 AbstractCegarLoop]: Abstraction has has 228 places, 249 transitions, 727 flow [2021-12-06 20:25:59,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 229.8) internal successors, (1149), 5 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:25:59,129 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:25:59,129 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:25:59,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 20:25:59,130 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting monitor_threadErr4ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-12-06 20:25:59,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:25:59,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1679470663, now seen corresponding path program 2 times [2021-12-06 20:25:59,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:25:59,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556568186] [2021-12-06 20:25:59,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:25:59,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:25:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:25:59,153 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:25:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:25:59,196 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:25:59,196 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 20:25:59,197 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location monitor_threadErr4ASSERT_VIOLATIONDATA_RACE (30 of 31 remaining) [2021-12-06 20:25:59,198 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2021-12-06 20:25:59,198 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr4ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2021-12-06 20:25:59,198 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2021-12-06 20:25:59,198 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2021-12-06 20:25:59,199 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr5ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2021-12-06 20:25:59,199 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2021-12-06 20:25:59,199 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2021-12-06 20:25:59,199 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2021-12-06 20:25:59,199 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining) [2021-12-06 20:25:59,199 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2021-12-06 20:25:59,199 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2021-12-06 20:25:59,199 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining) [2021-12-06 20:25:59,200 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 31 remaining) [2021-12-06 20:25:59,200 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2021-12-06 20:25:59,200 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2021-12-06 20:25:59,200 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining) [2021-12-06 20:25:59,200 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (13 of 31 remaining) [2021-12-06 20:25:59,200 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (12 of 31 remaining) [2021-12-06 20:25:59,200 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (11 of 31 remaining) [2021-12-06 20:25:59,200 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (10 of 31 remaining) [2021-12-06 20:25:59,200 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining) [2021-12-06 20:25:59,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2021-12-06 20:25:59,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2021-12-06 20:25:59,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr5ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2021-12-06 20:25:59,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2021-12-06 20:25:59,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2021-12-06 20:25:59,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2021-12-06 20:25:59,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2021-12-06 20:25:59,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2021-12-06 20:25:59,201 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2021-12-06 20:25:59,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 20:25:59,205 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:25:59,209 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-06 20:25:59,209 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 20:25:59,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 08:25:59 BasicIcfg [2021-12-06 20:25:59,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 20:25:59,292 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 20:25:59,292 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 20:25:59,293 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 20:25:59,293 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:25:55" (3/4) ... [2021-12-06 20:25:59,296 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 20:25:59,296 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 20:25:59,297 INFO L158 Benchmark]: Toolchain (without parser) took 4795.85ms. Allocated memory was 113.2MB in the beginning and 201.3MB in the end (delta: 88.1MB). Free memory was 69.3MB in the beginning and 140.9MB in the end (delta: -71.6MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2021-12-06 20:25:59,297 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:25:59,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 738.47ms. Allocated memory is still 113.2MB. Free memory was 69.2MB in the beginning and 78.0MB in the end (delta: -8.8MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2021-12-06 20:25:59,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.85ms. Allocated memory is still 113.2MB. Free memory was 78.0MB in the beginning and 74.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 20:25:59,298 INFO L158 Benchmark]: Boogie Preprocessor took 36.01ms. Allocated memory is still 113.2MB. Free memory was 74.9MB in the beginning and 71.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 20:25:59,299 INFO L158 Benchmark]: RCFGBuilder took 469.38ms. Allocated memory is still 113.2MB. Free memory was 71.8MB in the beginning and 48.6MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-06 20:25:59,299 INFO L158 Benchmark]: TraceAbstraction took 3493.10ms. Allocated memory was 113.2MB in the beginning and 201.3MB in the end (delta: 88.1MB). Free memory was 48.0MB in the beginning and 140.9MB in the end (delta: -92.9MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. [2021-12-06 20:25:59,299 INFO L158 Benchmark]: Witness Printer took 3.48ms. Allocated memory is still 201.3MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:25:59,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 738.47ms. Allocated memory is still 113.2MB. Free memory was 69.2MB in the beginning and 78.0MB in the end (delta: -8.8MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.85ms. Allocated memory is still 113.2MB. Free memory was 78.0MB in the beginning and 74.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.01ms. Allocated memory is still 113.2MB. Free memory was 74.9MB in the beginning and 71.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 469.38ms. Allocated memory is still 113.2MB. Free memory was 71.8MB in the beginning and 48.6MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3493.10ms. Allocated memory was 113.2MB in the beginning and 201.3MB in the end (delta: 88.1MB). Free memory was 48.0MB in the beginning and 140.9MB in the end (delta: -92.9MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. * Witness Printer took 3.48ms. Allocated memory is still 201.3MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 1830]: Data race detected Data race detected The following path leads to a data race: [L1797] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex={27:0}] [L1798] 0 long counter; VAL [counter=0, mutex={27:0}] [L1799] 0 time_t end_time; VAL [counter=0, end_time=0, mutex={27:0}] [L1836] 0 int status; VAL [\old(argc)=1153, argc=1153, argv={1154:1152}, argv={1154:1152}, counter=0, end_time=0, mutex={27:0}] [L1837] 0 pthread_t counter_thread_id; VAL [\old(argc)=1153, argc=1153, argv={1154:1152}, argv={1154:1152}, counter=0, counter_thread_id={29:0}, end_time=0, mutex={27:0}] [L1838] 0 pthread_t monitor_thread_id; VAL [\old(argc)=1153, argc=1153, argv={1154:1152}, argv={1154:1152}, counter=0, counter_thread_id={29:0}, end_time=0, monitor_thread_id={28:0}, mutex={27:0}] [L1839] 0 end_time = time (((void *)0)) + 60 VAL [\old(argc)=1153, argc=1153, argv={1154:1152}, argv={1154:1152}, counter=0, counter_thread_id={29:0}, end_time=60, end_time = time (((void *)0)) + 60=1151, monitor_thread_id={28:0}, mutex={27:0}, time (((void *)0))=0] [L1840] EXPR, FCALL, FORK 0 pthread_create (&counter_thread_id, ((void *)0), counter_thread, ((void *)0)) VAL [\old(argc)=1153, arg={0:0}, argc=1153, argv={1154:1152}, argv={1154:1152}, counter=0, counter_thread_id={29:0}, end_time=60, monitor_thread_id={28:0}, mutex={27:0}, pthread_create (&counter_thread_id, ((void *)0), counter_thread, ((void *)0))=-1] [L1840] 0 status = pthread_create (&counter_thread_id, ((void *)0), counter_thread, ((void *)0)) VAL [\old(argc)=1153, arg={0:0}, argc=1153, argv={1154:1152}, argv={1154:1152}, counter=0, counter_thread_id={29:0}, end_time=60, monitor_thread_id={28:0}, mutex={27:0}, pthread_create (&counter_thread_id, ((void *)0), counter_thread, ((void *)0))=-1, pthread_create (&counter_thread_id, ((void *)0), counter_thread, ((void *)0))=0, status=0] [L1841] COND FALSE 0 !(status != 0) VAL [\old(argc)=1153, arg={0:0}, argc=1153, argv={1154:1152}, argv={1154:1152}, counter=0, counter_thread_id={29:0}, end_time=60, monitor_thread_id={28:0}, mutex={27:0}, status=0] [L1843] FCALL, FORK 0 pthread_create (&monitor_thread_id, ((void *)0), monitor_thread, ((void *)0)) VAL [\old(argc)=1153, arg={0:0}, arg={0:0}, argc=1153, argv={1154:1152}, argv={1154:1152}, counter=0, counter_thread_id={29:0}, end_time=60, monitor_thread_id={28:0}, mutex={27:0}, pthread_create (&monitor_thread_id, ((void *)0), monitor_thread, ((void *)0))=0, status=0] [L1817] 2 int status; VAL [arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={27:0}] [L1801] 1 int status; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={27:0}] [L1802] 1 int spin; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={27:0}] [L1803] 1 time (((void *)0)) < end_time VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={27:0}, time (((void *)0))=0] [L1803] COND TRUE 1 time (((void *)0)) < end_time VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={27:0}, time (((void *)0))=0] [L1804] 1 status = pthread_mutex_lock (&mutex) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={27:0}, pthread_mutex_lock (&mutex)=0, status=0] [L1805] COND FALSE 1 !(status != 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={27:0}, status=0] [L1807] 1 spin = 0 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={27:0}, spin=0, status=0] [L1807] COND TRUE 1 spin < 10000000 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={27:0}, spin=0, status=0] [L1808] 1 counter++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={27:0}, spin=0, status=0] [L1818] 2 int misses = 0; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={27:0}, spin=0, status=0] [L1819] 2 time (((void *)0)) < end_time VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={27:0}, spin=0, status=0, time (((void *)0))=0] [L1819] COND TRUE 2 time (((void *)0)) < end_time VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={27:0}, spin=0, status=0, time (((void *)0))=0] [L1821] 2 status = pthread_mutex_trylock (&mutex) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={27:0}, pthread_mutex_trylock (&mutex)=16, spin=0, status=0, status=16] [L1822] COND FALSE 2 !(status != 16) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={27:0}, spin=0, status=0, status=16] [L1830] 2 counter++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={27:0}, spin=0, status=16, status=0] [L1808] 1 counter++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=1, counter++=0, counter++=1150, end_time=60, misses=0, mutex={27:0}, spin=0, status=16, status=0] [L1830] 2 counter++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=1, counter++=0, counter++=1150, end_time=60, misses=0, mutex={27:0}, spin=0, status=0, status=16] Now there is a data race on ~counter~0 between C: counter++ [1808] and C: counter++ [1830] - UnprovableResult [Line: 1819]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1824]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1825]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1830]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1828]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1803]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1806]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1808]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1811]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1808]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1839]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1842]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1845]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1846]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1848]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1849]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1851]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1840]: 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: 1843]: 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, 361 locations, 31 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.3s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 119 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 39 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 231 IncrementalHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 111 mSDtfsCounter, 231 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=727occurred in iteration=9, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 836 NumberOfCodeBlocks, 836 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 720 ConstructedInterpolants, 0 QuantifiedInterpolants, 955 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 could not prove your program: unable to determine feasibility of some traces [2021-12-06 20:25:59,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa71f83-2440-44fe-99e3-c010c480398a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE