./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/46_monabsex2_vs-b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe51f221-c38b-4c78-af19-e937d25dd560/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe51f221-c38b-4c78-af19-e937d25dd560/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe51f221-c38b-4c78-af19-e937d25dd560/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe51f221-c38b-4c78-af19-e937d25dd560/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/46_monabsex2_vs-b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe51f221-c38b-4c78-af19-e937d25dd560/bin/uautomizer-DQz5hQGWxF/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe51f221-c38b-4c78-af19-e937d25dd560/bin/uautomizer-DQz5hQGWxF --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 cb0da49952f084f4179c44b957c91689c392bf769782a6b0853667237fdff1db --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:39:53,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:39:53,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:39:53,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:39:53,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:39:53,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:39:53,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:39:53,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:39:53,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:39:53,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:39:53,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:39:53,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:39:53,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:39:53,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:39:53,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:39:53,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:39:53,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:39:53,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:39:53,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:39:53,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:39:53,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:39:53,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:39:53,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:39:53,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:39:53,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:39:53,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:39:53,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:39:53,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:39:53,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:39:53,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:39:53,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:39:53,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:39:53,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:39:53,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:39:53,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:39:53,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:39:53,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:39:53,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:39:53,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:39:53,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:39:53,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:39:53,677 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe51f221-c38b-4c78-af19-e937d25dd560/bin/uautomizer-DQz5hQGWxF/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-11-20 06:39:53,732 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:39:53,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:39:53,733 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:39:53,733 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:39:53,740 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:39:53,740 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:39:53,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:39:53,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:39:53,741 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:39:53,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:39:53,743 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:39:53,743 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:39:53,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:39:53,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:39:53,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:39:53,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:39:53,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:39:53,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:39:53,744 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-20 06:39:53,745 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:39:53,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:39:53,745 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:39:53,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:39:53,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:39:53,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:39:53,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:39:53,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:39:53,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:39:53,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:39:53,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:39:53,749 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:39:53,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:39:53,749 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:39:53,749 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:39:53,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:39:53,750 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:39:53,750 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_fe51f221-c38b-4c78-af19-e937d25dd560/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe51f221-c38b-4c78-af19-e937d25dd560/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb0da49952f084f4179c44b957c91689c392bf769782a6b0853667237fdff1db [2021-11-20 06:39:54,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:39:54,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:39:54,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:39:54,054 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:39:54,059 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:39:54,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe51f221-c38b-4c78-af19-e937d25dd560/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/pthread-ext/46_monabsex2_vs-b.i [2021-11-20 06:39:54,134 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe51f221-c38b-4c78-af19-e937d25dd560/bin/uautomizer-DQz5hQGWxF/data/589976ed4/d6f4e6ea24b8492987eb7773f03aeccd/FLAGb54537e09 [2021-11-20 06:39:54,645 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:39:54,646 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe51f221-c38b-4c78-af19-e937d25dd560/sv-benchmarks/c/pthread-ext/46_monabsex2_vs-b.i [2021-11-20 06:39:54,663 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe51f221-c38b-4c78-af19-e937d25dd560/bin/uautomizer-DQz5hQGWxF/data/589976ed4/d6f4e6ea24b8492987eb7773f03aeccd/FLAGb54537e09 [2021-11-20 06:39:54,951 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe51f221-c38b-4c78-af19-e937d25dd560/bin/uautomizer-DQz5hQGWxF/data/589976ed4/d6f4e6ea24b8492987eb7773f03aeccd [2021-11-20 06:39:54,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:39:54,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:39:54,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:39:54,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:39:54,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:39:54,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:39:54" (1/1) ... [2021-11-20 06:39:54,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e05c43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:54, skipping insertion in model container [2021-11-20 06:39:54,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:39:54" (1/1) ... [2021-11-20 06:39:54,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:39:55,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:39:55,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe51f221-c38b-4c78-af19-e937d25dd560/sv-benchmarks/c/pthread-ext/46_monabsex2_vs-b.i[29939,29952] [2021-11-20 06:39:55,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:39:55,417 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:39:55,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe51f221-c38b-4c78-af19-e937d25dd560/sv-benchmarks/c/pthread-ext/46_monabsex2_vs-b.i[29939,29952] [2021-11-20 06:39:55,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:39:55,516 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:39:55,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:55 WrapperNode [2021-11-20 06:39:55,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:39:55,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:39:55,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:39:55,518 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:39:55,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:55" (1/1) ... [2021-11-20 06:39:55,562 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:55" (1/1) ... [2021-11-20 06:39:55,584 INFO L137 Inliner]: procedures = 166, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2021-11-20 06:39:55,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:39:55,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:39:55,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:39:55,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:39:55,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:55" (1/1) ... [2021-11-20 06:39:55,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:55" (1/1) ... [2021-11-20 06:39:55,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:55" (1/1) ... [2021-11-20 06:39:55,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:55" (1/1) ... [2021-11-20 06:39:55,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:55" (1/1) ... [2021-11-20 06:39:55,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:55" (1/1) ... [2021-11-20 06:39:55,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:55" (1/1) ... [2021-11-20 06:39:55,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:39:55,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:39:55,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:39:55,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:39:55,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:55" (1/1) ... [2021-11-20 06:39:55,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:39:55,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe51f221-c38b-4c78-af19-e937d25dd560/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:39:55,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe51f221-c38b-4c78-af19-e937d25dd560/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:39:55,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe51f221-c38b-4c78-af19-e937d25dd560/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:39:55,701 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-20 06:39:55,701 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-20 06:39:55,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:39:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:39:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:39:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:39:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:39:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:39:55,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:39:55,704 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 06:39:55,803 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:39:55,804 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:39:55,991 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:39:56,000 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:39:56,000 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 06:39:56,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:39:56 BoogieIcfgContainer [2021-11-20 06:39:56,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:39:56,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:39:56,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:39:56,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:39:56,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:39:54" (1/3) ... [2021-11-20 06:39:56,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c40c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:39:56, skipping insertion in model container [2021-11-20 06:39:56,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:39:55" (2/3) ... [2021-11-20 06:39:56,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c40c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:39:56, skipping insertion in model container [2021-11-20 06:39:56,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:39:56" (3/3) ... [2021-11-20 06:39:56,012 INFO L111 eAbstractionObserver]: Analyzing ICFG 46_monabsex2_vs-b.i [2021-11-20 06:39:56,018 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 06:39:56,019 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:39:56,019 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-11-20 06:39:56,019 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 06:39:56,053 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,054 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,054 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,054 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,054 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,055 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,059 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,059 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,060 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,060 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,060 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,061 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,061 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,061 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,061 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,062 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,062 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,062 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,063 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,063 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,063 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,063 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,064 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,064 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,065 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,065 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,065 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,065 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,066 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,066 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,066 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,066 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,067 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,067 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,067 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,068 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,068 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,068 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,068 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,069 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,069 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,069 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,069 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,070 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,070 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,070 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,070 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,071 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,074 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,074 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,075 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,075 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,075 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,075 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,075 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,079 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-20 06:39:56,119 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:39:56,127 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 [2021-11-20 06:39:56,127 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-11-20 06:39:56,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 64 transitions, 133 flow [2021-11-20 06:39:56,176 INFO L129 PetriNetUnfolder]: 4/75 cut-off events. [2021-11-20 06:39:56,177 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:39:56,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 75 events. 4/75 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 103 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 47. Up to 4 conditions per place. [2021-11-20 06:39:56,181 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 64 transitions, 133 flow [2021-11-20 06:39:56,186 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 64 places, 64 transitions, 133 flow [2021-11-20 06:39:56,196 INFO L129 PetriNetUnfolder]: 2/33 cut-off events. [2021-11-20 06:39:56,197 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:39:56,197 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:39:56,198 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] [2021-11-20 06:39:56,198 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2021-11-20 06:39:56,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:39:56,204 INFO L85 PathProgramCache]: Analyzing trace with hash 341928378, now seen corresponding path program 1 times [2021-11-20 06:39:56,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:39:56,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590855041] [2021-11-20 06:39:56,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:39:56,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:39:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:39:56,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:39:56,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:39:56,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590855041] [2021-11-20 06:39:56,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590855041] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:39:56,527 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:39:56,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:39:56,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521876430] [2021-11-20 06:39:56,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:39:56,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:39:56,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:39:56,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:39:56,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:39:56,593 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 64 [2021-11-20 06:39:56,601 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 64 transitions, 133 flow. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:56,601 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:39:56,601 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 64 [2021-11-20 06:39:56,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:39:56,666 INFO L129 PetriNetUnfolder]: 1/58 cut-off events. [2021-11-20 06:39:56,666 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-20 06:39:56,667 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 58 events. 1/58 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 43 event pairs, 0 based on Foata normal form. 8/60 useless extension candidates. Maximal degree in co-relation 42. Up to 5 conditions per place. [2021-11-20 06:39:56,669 INFO L132 encePairwiseOnDemand]: 58/64 looper letters, 4 selfloop transitions, 2 changer transitions 0/54 dead transitions. [2021-11-20 06:39:56,669 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 54 transitions, 125 flow [2021-11-20 06:39:56,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:39:56,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:39:56,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 171 transitions. [2021-11-20 06:39:56,685 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.890625 [2021-11-20 06:39:56,686 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 171 transitions. [2021-11-20 06:39:56,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 171 transitions. [2021-11-20 06:39:56,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:39:56,692 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 171 transitions. [2021-11-20 06:39:56,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:56,708 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 64.0) internal successors, (256), 4 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:56,708 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 64.0) internal successors, (256), 4 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:56,710 INFO L186 Difference]: Start difference. First operand has 64 places, 64 transitions, 133 flow. Second operand 3 states and 171 transitions. [2021-11-20 06:39:56,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 54 transitions, 125 flow [2021-11-20 06:39:56,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 54 transitions, 125 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-20 06:39:56,729 INFO L242 Difference]: Finished difference. Result has 58 places, 54 transitions, 117 flow [2021-11-20 06:39:56,731 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=113, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=117, PETRI_PLACES=58, PETRI_TRANSITIONS=54} [2021-11-20 06:39:56,736 INFO L334 CegarLoopForPetriNet]: 64 programPoint places, -6 predicate places. [2021-11-20 06:39:56,736 INFO L470 AbstractCegarLoop]: Abstraction has has 58 places, 54 transitions, 117 flow [2021-11-20 06:39:56,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:56,737 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:39:56,737 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:39:56,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:39:56,738 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2021-11-20 06:39:56,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:39:56,740 INFO L85 PathProgramCache]: Analyzing trace with hash -763135107, now seen corresponding path program 1 times [2021-11-20 06:39:56,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:39:56,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041315397] [2021-11-20 06:39:56,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:39:56,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:39:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:39:56,802 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:39:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:39:56,861 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:39:56,862 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 06:39:56,864 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (10 of 11 remaining) [2021-11-20 06:39:56,868 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2021-11-20 06:39:56,869 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining) [2021-11-20 06:39:56,869 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2021-11-20 06:39:56,870 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining) [2021-11-20 06:39:56,870 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2021-11-20 06:39:56,870 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2021-11-20 06:39:56,871 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2021-11-20 06:39:56,872 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2021-11-20 06:39:56,872 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2021-11-20 06:39:56,873 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2021-11-20 06:39:56,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:39:56,878 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-20 06:39:56,879 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-20 06:39:56,879 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-11-20 06:39:56,903 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,903 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,903 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,903 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,904 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,904 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,904 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,904 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,905 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,905 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,905 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,905 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,905 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,906 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,906 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,906 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,906 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,907 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,907 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,907 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,907 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,907 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,908 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,908 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,908 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,908 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,909 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,909 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,909 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,909 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,909 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,910 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,910 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,910 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,910 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,910 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,911 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,911 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,911 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,911 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,911 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,912 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,912 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,912 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,912 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,912 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,912 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,913 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,913 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,914 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,914 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,914 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,914 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,914 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,914 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,914 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,915 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,915 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,915 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,915 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,916 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,916 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,916 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,916 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,916 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,917 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,917 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,917 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,917 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,917 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,918 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,918 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,918 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,918 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,919 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,919 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,919 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,919 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,919 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,919 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,920 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,920 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,920 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,920 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,920 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,920 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,921 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,921 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,921 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,921 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,921 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,922 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,922 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,922 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,922 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,922 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,923 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,923 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,923 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,923 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,923 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,924 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,924 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,925 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,925 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,925 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,925 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,925 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,925 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,926 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:56,926 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-20 06:39:56,930 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:39:56,931 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 [2021-11-20 06:39:56,932 INFO L340 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2021-11-20 06:39:56,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 99 transitions, 210 flow [2021-11-20 06:39:56,964 INFO L129 PetriNetUnfolder]: 7/123 cut-off events. [2021-11-20 06:39:56,964 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-20 06:39:56,966 INFO L84 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 123 events. 7/123 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 271 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 81. Up to 6 conditions per place. [2021-11-20 06:39:56,966 INFO L82 GeneralOperation]: Start removeDead. Operand has 99 places, 99 transitions, 210 flow [2021-11-20 06:39:56,969 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 99 transitions, 210 flow [2021-11-20 06:39:56,976 INFO L129 PetriNetUnfolder]: 2/35 cut-off events. [2021-11-20 06:39:56,976 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:39:56,976 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:39:56,977 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] [2021-11-20 06:39:56,977 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-20 06:39:56,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:39:56,978 INFO L85 PathProgramCache]: Analyzing trace with hash 980846205, now seen corresponding path program 1 times [2021-11-20 06:39:56,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:39:56,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949577451] [2021-11-20 06:39:56,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:39:56,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:39:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:39:57,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:39:57,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:39:57,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949577451] [2021-11-20 06:39:57,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949577451] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:39:57,021 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:39:57,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:39:57,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489885995] [2021-11-20 06:39:57,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:39:57,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:39:57,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:39:57,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:39:57,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:39:57,025 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 99 [2021-11-20 06:39:57,025 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 99 transitions, 210 flow. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:57,025 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:39:57,025 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 99 [2021-11-20 06:39:57,026 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:39:57,179 INFO L129 PetriNetUnfolder]: 54/441 cut-off events. [2021-11-20 06:39:57,180 INFO L130 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2021-11-20 06:39:57,186 INFO L84 FinitePrefix]: Finished finitePrefix Result has 571 conditions, 441 events. 54/441 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2363 event pairs, 13 based on Foata normal form. 78/431 useless extension candidates. Maximal degree in co-relation 326. Up to 61 conditions per place. [2021-11-20 06:39:57,190 INFO L132 encePairwiseOnDemand]: 87/99 looper letters, 19 selfloop transitions, 6 changer transitions 0/99 dead transitions. [2021-11-20 06:39:57,190 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 99 transitions, 265 flow [2021-11-20 06:39:57,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:39:57,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:39:57,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 272 transitions. [2021-11-20 06:39:57,198 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9158249158249159 [2021-11-20 06:39:57,198 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 272 transitions. [2021-11-20 06:39:57,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 272 transitions. [2021-11-20 06:39:57,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:39:57,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 272 transitions. [2021-11-20 06:39:57,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:57,204 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:57,205 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:57,205 INFO L186 Difference]: Start difference. First operand has 99 places, 99 transitions, 210 flow. Second operand 3 states and 272 transitions. [2021-11-20 06:39:57,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 99 transitions, 265 flow [2021-11-20 06:39:57,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 99 transitions, 263 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-11-20 06:39:57,211 INFO L242 Difference]: Finished difference. Result has 95 places, 94 transitions, 238 flow [2021-11-20 06:39:57,211 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=238, PETRI_PLACES=95, PETRI_TRANSITIONS=94} [2021-11-20 06:39:57,212 INFO L334 CegarLoopForPetriNet]: 99 programPoint places, -4 predicate places. [2021-11-20 06:39:57,212 INFO L470 AbstractCegarLoop]: Abstraction has has 95 places, 94 transitions, 238 flow [2021-11-20 06:39:57,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:57,213 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:39:57,213 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] [2021-11-20 06:39:57,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:39:57,214 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-20 06:39:57,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:39:57,215 INFO L85 PathProgramCache]: Analyzing trace with hash 2000162403, now seen corresponding path program 1 times [2021-11-20 06:39:57,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:39:57,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984214846] [2021-11-20 06:39:57,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:39:57,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:39:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:39:57,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:39:57,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:39:57,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984214846] [2021-11-20 06:39:57,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984214846] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:39:57,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:39:57,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:39:57,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586085531] [2021-11-20 06:39:57,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:39:57,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:39:57,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:39:57,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:39:57,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:39:57,285 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 99 [2021-11-20 06:39:57,285 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 94 transitions, 238 flow. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:57,285 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:39:57,285 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 99 [2021-11-20 06:39:57,286 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:39:57,431 INFO L129 PetriNetUnfolder]: 112/671 cut-off events. [2021-11-20 06:39:57,431 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2021-11-20 06:39:57,435 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1021 conditions, 671 events. 112/671 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 4432 event pairs, 32 based on Foata normal form. 0/566 useless extension candidates. Maximal degree in co-relation 845. Up to 148 conditions per place. [2021-11-20 06:39:57,441 INFO L132 encePairwiseOnDemand]: 85/99 looper letters, 25 selfloop transitions, 10 changer transitions 0/109 dead transitions. [2021-11-20 06:39:57,441 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 109 transitions, 343 flow [2021-11-20 06:39:57,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:39:57,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:39:57,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 258 transitions. [2021-11-20 06:39:57,443 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8686868686868687 [2021-11-20 06:39:57,443 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 258 transitions. [2021-11-20 06:39:57,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 258 transitions. [2021-11-20 06:39:57,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:39:57,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 258 transitions. [2021-11-20 06:39:57,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:57,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:57,447 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:57,448 INFO L186 Difference]: Start difference. First operand has 95 places, 94 transitions, 238 flow. Second operand 3 states and 258 transitions. [2021-11-20 06:39:57,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 109 transitions, 343 flow [2021-11-20 06:39:57,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 109 transitions, 331 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 06:39:57,457 INFO L242 Difference]: Finished difference. Result has 97 places, 104 transitions, 314 flow [2021-11-20 06:39:57,457 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=314, PETRI_PLACES=97, PETRI_TRANSITIONS=104} [2021-11-20 06:39:57,460 INFO L334 CegarLoopForPetriNet]: 99 programPoint places, -2 predicate places. [2021-11-20 06:39:57,460 INFO L470 AbstractCegarLoop]: Abstraction has has 97 places, 104 transitions, 314 flow [2021-11-20 06:39:57,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:57,461 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:39:57,461 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] [2021-11-20 06:39:57,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 06:39:57,462 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-20 06:39:57,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:39:57,462 INFO L85 PathProgramCache]: Analyzing trace with hash 253180552, now seen corresponding path program 1 times [2021-11-20 06:39:57,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:39:57,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171169838] [2021-11-20 06:39:57,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:39:57,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:39:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:39:57,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:39:57,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:39:57,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171169838] [2021-11-20 06:39:57,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171169838] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:39:57,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:39:57,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:39:57,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677641484] [2021-11-20 06:39:57,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:39:57,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:39:57,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:39:57,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:39:57,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:39:57,548 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 99 [2021-11-20 06:39:57,555 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 104 transitions, 314 flow. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:57,556 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:39:57,556 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 99 [2021-11-20 06:39:57,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:39:57,746 INFO L129 PetriNetUnfolder]: 139/794 cut-off events. [2021-11-20 06:39:57,746 INFO L130 PetriNetUnfolder]: For 251/274 co-relation queries the response was YES. [2021-11-20 06:39:57,749 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1445 conditions, 794 events. 139/794 cut-off events. For 251/274 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 5602 event pairs, 50 based on Foata normal form. 3/692 useless extension candidates. Maximal degree in co-relation 1240. Up to 254 conditions per place. [2021-11-20 06:39:57,757 INFO L132 encePairwiseOnDemand]: 92/99 looper letters, 39 selfloop transitions, 9 changer transitions 0/120 dead transitions. [2021-11-20 06:39:57,757 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 120 transitions, 479 flow [2021-11-20 06:39:57,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:39:57,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:39:57,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 248 transitions. [2021-11-20 06:39:57,759 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.835016835016835 [2021-11-20 06:39:57,759 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 248 transitions. [2021-11-20 06:39:57,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 248 transitions. [2021-11-20 06:39:57,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:39:57,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 248 transitions. [2021-11-20 06:39:57,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:57,762 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:57,762 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:57,763 INFO L186 Difference]: Start difference. First operand has 97 places, 104 transitions, 314 flow. Second operand 3 states and 248 transitions. [2021-11-20 06:39:57,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 120 transitions, 479 flow [2021-11-20 06:39:57,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 120 transitions, 449 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 06:39:57,776 INFO L242 Difference]: Finished difference. Result has 99 places, 111 transitions, 370 flow [2021-11-20 06:39:57,776 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=370, PETRI_PLACES=99, PETRI_TRANSITIONS=111} [2021-11-20 06:39:57,778 INFO L334 CegarLoopForPetriNet]: 99 programPoint places, 0 predicate places. [2021-11-20 06:39:57,779 INFO L470 AbstractCegarLoop]: Abstraction has has 99 places, 111 transitions, 370 flow [2021-11-20 06:39:57,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:57,779 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:39:57,780 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:39:57,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 06:39:57,780 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-20 06:39:57,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:39:57,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1844260839, now seen corresponding path program 1 times [2021-11-20 06:39:57,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:39:57,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159991357] [2021-11-20 06:39:57,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:39:57,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:39:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:39:57,814 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:39:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:39:57,848 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:39:57,848 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 06:39:57,848 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (15 of 16 remaining) [2021-11-20 06:39:57,850 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (14 of 16 remaining) [2021-11-20 06:39:57,850 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 16 remaining) [2021-11-20 06:39:57,850 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 16 remaining) [2021-11-20 06:39:57,850 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (11 of 16 remaining) [2021-11-20 06:39:57,851 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 16 remaining) [2021-11-20 06:39:57,851 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 16 remaining) [2021-11-20 06:39:57,851 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 16 remaining) [2021-11-20 06:39:57,851 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 16 remaining) [2021-11-20 06:39:57,852 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (6 of 16 remaining) [2021-11-20 06:39:57,852 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 16 remaining) [2021-11-20 06:39:57,852 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (4 of 16 remaining) [2021-11-20 06:39:57,852 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (3 of 16 remaining) [2021-11-20 06:39:57,852 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 16 remaining) [2021-11-20 06:39:57,853 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (1 of 16 remaining) [2021-11-20 06:39:57,853 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (0 of 16 remaining) [2021-11-20 06:39:57,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 06:39:57,854 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-20 06:39:57,854 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-20 06:39:57,854 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-11-20 06:39:57,872 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,872 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,873 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,873 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,873 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,873 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,873 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,873 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,874 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,874 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,874 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,874 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,874 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,874 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,875 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,875 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,876 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,876 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,876 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,876 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,877 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,877 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,877 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,877 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,877 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,878 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,878 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,878 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,878 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,878 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,878 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,878 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,879 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,883 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,884 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,884 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,884 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,884 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,885 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,885 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,885 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,885 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,885 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,885 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,885 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,886 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,886 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,886 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,887 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,887 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,887 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,887 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,887 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,887 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,888 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,888 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,888 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,888 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,889 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,889 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,889 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,889 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,889 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,889 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,889 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,890 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,890 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,890 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,890 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,890 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,890 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,891 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,891 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,891 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,891 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,891 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,891 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,892 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,892 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,892 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,892 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,893 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,894 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,894 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,894 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,895 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,895 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,895 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,895 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,895 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,895 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,895 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,896 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,896 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,896 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,896 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,897 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,905 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,906 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,906 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,906 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,906 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,906 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,906 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,906 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,907 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,907 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,907 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,907 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,907 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,907 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,908 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,908 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,908 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,908 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,908 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,908 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,909 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,909 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,909 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,909 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,909 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,910 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,910 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,910 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,910 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,910 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,910 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,911 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,911 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,911 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,912 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,912 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,912 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,912 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,912 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,912 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,912 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,913 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,913 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,913 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,913 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,913 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,913 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,914 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,914 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,915 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,915 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,915 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,915 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,915 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,916 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,916 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,917 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,917 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,917 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,917 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,917 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,918 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,918 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,919 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,920 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,920 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,920 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,920 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:39:57,921 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-20 06:39:57,923 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:39:57,931 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 [2021-11-20 06:39:57,931 INFO L340 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2021-11-20 06:39:57,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 134 places, 134 transitions, 289 flow [2021-11-20 06:39:57,973 INFO L129 PetriNetUnfolder]: 10/171 cut-off events. [2021-11-20 06:39:57,973 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-11-20 06:39:57,975 INFO L84 FinitePrefix]: Finished finitePrefix Result has 187 conditions, 171 events. 10/171 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 488 event pairs, 0 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 127. Up to 8 conditions per place. [2021-11-20 06:39:57,975 INFO L82 GeneralOperation]: Start removeDead. Operand has 134 places, 134 transitions, 289 flow [2021-11-20 06:39:57,979 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 134 places, 134 transitions, 289 flow [2021-11-20 06:39:57,986 INFO L129 PetriNetUnfolder]: 2/34 cut-off events. [2021-11-20 06:39:57,986 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:39:57,986 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:39:57,987 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] [2021-11-20 06:39:57,987 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-11-20 06:39:57,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:39:57,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1321755807, now seen corresponding path program 1 times [2021-11-20 06:39:57,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:39:57,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040623874] [2021-11-20 06:39:57,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:39:57,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:39:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:39:58,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:39:58,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:39:58,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040623874] [2021-11-20 06:39:58,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040623874] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:39:58,034 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:39:58,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:39:58,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607329588] [2021-11-20 06:39:58,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:39:58,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:39:58,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:39:58,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:39:58,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:39:58,036 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 134 [2021-11-20 06:39:58,037 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 134 transitions, 289 flow. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:58,037 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:39:58,037 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 134 [2021-11-20 06:39:58,037 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:39:58,750 INFO L129 PetriNetUnfolder]: 890/4155 cut-off events. [2021-11-20 06:39:58,750 INFO L130 PetriNetUnfolder]: For 352/352 co-relation queries the response was YES. [2021-11-20 06:39:58,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5710 conditions, 4155 events. 890/4155 cut-off events. For 352/352 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 41185 event pairs, 271 based on Foata normal form. 757/3980 useless extension candidates. Maximal degree in co-relation 3582. Up to 713 conditions per place. [2021-11-20 06:39:58,810 INFO L132 encePairwiseOnDemand]: 117/134 looper letters, 29 selfloop transitions, 9 changer transitions 0/138 dead transitions. [2021-11-20 06:39:58,810 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 138 transitions, 385 flow [2021-11-20 06:39:58,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:39:58,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:39:58,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 366 transitions. [2021-11-20 06:39:58,812 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9104477611940298 [2021-11-20 06:39:58,812 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 366 transitions. [2021-11-20 06:39:58,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 366 transitions. [2021-11-20 06:39:58,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:39:58,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 366 transitions. [2021-11-20 06:39:58,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:58,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:58,816 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:58,816 INFO L186 Difference]: Start difference. First operand has 134 places, 134 transitions, 289 flow. Second operand 3 states and 366 transitions. [2021-11-20 06:39:58,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 138 transitions, 385 flow [2021-11-20 06:39:58,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 138 transitions, 377 flow, removed 4 selfloop flow, removed 0 redundant places. [2021-11-20 06:39:58,825 INFO L242 Difference]: Finished difference. Result has 129 places, 130 transitions, 335 flow [2021-11-20 06:39:58,826 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=257, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=335, PETRI_PLACES=129, PETRI_TRANSITIONS=130} [2021-11-20 06:39:58,828 INFO L334 CegarLoopForPetriNet]: 134 programPoint places, -5 predicate places. [2021-11-20 06:39:58,829 INFO L470 AbstractCegarLoop]: Abstraction has has 129 places, 130 transitions, 335 flow [2021-11-20 06:39:58,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:58,829 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:39:58,829 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] [2021-11-20 06:39:58,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 06:39:58,830 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-11-20 06:39:58,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:39:58,830 INFO L85 PathProgramCache]: Analyzing trace with hash -870645049, now seen corresponding path program 1 times [2021-11-20 06:39:58,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:39:58,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446380526] [2021-11-20 06:39:58,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:39:58,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:39:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:39:58,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:39:58,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:39:58,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446380526] [2021-11-20 06:39:58,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446380526] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:39:58,873 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:39:58,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:39:58,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529279392] [2021-11-20 06:39:58,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:39:58,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:39:58,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:39:58,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:39:58,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:39:58,875 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 134 [2021-11-20 06:39:58,876 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 130 transitions, 335 flow. Second operand has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:39:58,876 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:39:58,876 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 134 [2021-11-20 06:39:58,877 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:40:00,784 INFO L129 PetriNetUnfolder]: 3507/11968 cut-off events. [2021-11-20 06:40:00,784 INFO L130 PetriNetUnfolder]: For 800/803 co-relation queries the response was YES. [2021-11-20 06:40:00,860 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19328 conditions, 11968 events. 3507/11968 cut-off events. For 800/803 co-relation queries the response was YES. Maximal size of possible extension queue 618. Compared 139418 event pairs, 1151 based on Foata normal form. 0/9822 useless extension candidates. Maximal degree in co-relation 19083. Up to 3505 conditions per place. [2021-11-20 06:40:00,958 INFO L132 encePairwiseOnDemand]: 113/134 looper letters, 38 selfloop transitions, 15 changer transitions 0/153 dead transitions. [2021-11-20 06:40:00,959 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 153 transitions, 497 flow [2021-11-20 06:40:00,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:40:00,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:40:00,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 347 transitions. [2021-11-20 06:40:00,961 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8631840796019901 [2021-11-20 06:40:00,961 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 347 transitions. [2021-11-20 06:40:00,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 347 transitions. [2021-11-20 06:40:00,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:40:00,961 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 347 transitions. [2021-11-20 06:40:00,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:00,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:00,965 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:00,965 INFO L186 Difference]: Start difference. First operand has 129 places, 130 transitions, 335 flow. Second operand 3 states and 347 transitions. [2021-11-20 06:40:00,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 153 transitions, 497 flow [2021-11-20 06:40:00,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 153 transitions, 479 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 06:40:00,979 INFO L242 Difference]: Finished difference. Result has 131 places, 145 transitions, 449 flow [2021-11-20 06:40:00,979 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=317, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=449, PETRI_PLACES=131, PETRI_TRANSITIONS=145} [2021-11-20 06:40:00,980 INFO L334 CegarLoopForPetriNet]: 134 programPoint places, -3 predicate places. [2021-11-20 06:40:00,980 INFO L470 AbstractCegarLoop]: Abstraction has has 131 places, 145 transitions, 449 flow [2021-11-20 06:40:00,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:00,981 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:40:00,981 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] [2021-11-20 06:40:00,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 06:40:00,981 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-11-20 06:40:00,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:40:00,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1188366804, now seen corresponding path program 1 times [2021-11-20 06:40:00,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:40:00,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201454834] [2021-11-20 06:40:00,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:40:00,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:40:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:40:01,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:40:01,006 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:40:01,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201454834] [2021-11-20 06:40:01,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201454834] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:40:01,007 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:40:01,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:40:01,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564781809] [2021-11-20 06:40:01,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:40:01,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:40:01,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:40:01,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:40:01,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:40:01,009 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 134 [2021-11-20 06:40:01,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 145 transitions, 449 flow. Second operand has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:01,010 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:40:01,010 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 134 [2021-11-20 06:40:01,010 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:40:03,275 INFO L129 PetriNetUnfolder]: 4515/15321 cut-off events. [2021-11-20 06:40:03,275 INFO L130 PetriNetUnfolder]: For 5990/6649 co-relation queries the response was YES. [2021-11-20 06:40:03,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30555 conditions, 15321 events. 4515/15321 cut-off events. For 5990/6649 co-relation queries the response was YES. Maximal size of possible extension queue 779. Compared 185803 event pairs, 1780 based on Foata normal form. 57/13100 useless extension candidates. Maximal degree in co-relation 30302. Up to 6192 conditions per place. [2021-11-20 06:40:03,492 INFO L132 encePairwiseOnDemand]: 124/134 looper letters, 63 selfloop transitions, 16 changer transitions 0/177 dead transitions. [2021-11-20 06:40:03,492 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 177 transitions, 749 flow [2021-11-20 06:40:03,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:40:03,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:40:03,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 337 transitions. [2021-11-20 06:40:03,495 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8383084577114428 [2021-11-20 06:40:03,495 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 337 transitions. [2021-11-20 06:40:03,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 337 transitions. [2021-11-20 06:40:03,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:40:03,496 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 337 transitions. [2021-11-20 06:40:03,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:03,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:03,500 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:03,500 INFO L186 Difference]: Start difference. First operand has 131 places, 145 transitions, 449 flow. Second operand 3 states and 337 transitions. [2021-11-20 06:40:03,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 177 transitions, 749 flow [2021-11-20 06:40:03,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 177 transitions, 699 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 06:40:03,520 INFO L242 Difference]: Finished difference. Result has 133 places, 159 transitions, 565 flow [2021-11-20 06:40:03,521 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=419, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=565, PETRI_PLACES=133, PETRI_TRANSITIONS=159} [2021-11-20 06:40:03,522 INFO L334 CegarLoopForPetriNet]: 134 programPoint places, -1 predicate places. [2021-11-20 06:40:03,523 INFO L470 AbstractCegarLoop]: Abstraction has has 133 places, 159 transitions, 565 flow [2021-11-20 06:40:03,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:03,523 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:40:03,523 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] [2021-11-20 06:40:03,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 06:40:03,524 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-11-20 06:40:03,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:40:03,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1628221845, now seen corresponding path program 1 times [2021-11-20 06:40:03,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:40:03,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089160855] [2021-11-20 06:40:03,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:40:03,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:40:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:40:03,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:40:03,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:40:03,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089160855] [2021-11-20 06:40:03,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089160855] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:40:03,567 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:40:03,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:40:03,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065201944] [2021-11-20 06:40:03,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:40:03,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:40:03,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:40:03,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:40:03,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:40:03,570 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 134 [2021-11-20 06:40:03,570 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 159 transitions, 565 flow. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:03,570 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:40:03,570 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 134 [2021-11-20 06:40:03,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:40:04,454 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([462] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][143], [Black: 143#true, 20#L689-5true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, Black: 151#(= |thr1Thread1of3ForFork0_#t~nondet4| |#race~s~0|), 149#true, 43#L696-5true, 82#L688-7true, 126#L689true, 155#true, Black: 137#true]) [2021-11-20 06:40:04,454 INFO L384 tUnfolder$Statistics]: this new event has 65 ancestors and is cut-off event [2021-11-20 06:40:04,455 INFO L387 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event [2021-11-20 06:40:04,455 INFO L387 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event [2021-11-20 06:40:04,455 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2021-11-20 06:40:04,469 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][154], [Black: 143#true, 20#L689-5true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, Black: 151#(= |thr1Thread1of3ForFork0_#t~nondet4| |#race~s~0|), 129#L688-7true, 43#L696-5true, 149#true, 155#true, Black: 137#true, 119#L689true]) [2021-11-20 06:40:04,469 INFO L384 tUnfolder$Statistics]: this new event has 65 ancestors and is cut-off event [2021-11-20 06:40:04,470 INFO L387 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event [2021-11-20 06:40:04,470 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2021-11-20 06:40:04,470 INFO L387 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event [2021-11-20 06:40:04,689 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([462] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][73], [130#L690true, Black: 143#true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, Black: 151#(= |thr1Thread1of3ForFork0_#t~nondet4| |#race~s~0|), 149#true, 43#L696-5true, 82#L688-7true, 155#true, 126#L689true, Black: 137#true]) [2021-11-20 06:40:04,689 INFO L384 tUnfolder$Statistics]: this new event has 66 ancestors and is cut-off event [2021-11-20 06:40:04,689 INFO L387 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2021-11-20 06:40:04,689 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-11-20 06:40:04,689 INFO L387 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2021-11-20 06:40:04,763 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][154], [57#L689-1true, Black: 143#true, 20#L689-5true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, Black: 151#(= |thr1Thread1of3ForFork0_#t~nondet4| |#race~s~0|), 149#true, 43#L696-5true, 155#true, Black: 137#true, 119#L689true]) [2021-11-20 06:40:04,763 INFO L384 tUnfolder$Statistics]: this new event has 67 ancestors and is cut-off event [2021-11-20 06:40:04,763 INFO L387 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2021-11-20 06:40:04,764 INFO L387 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2021-11-20 06:40:04,764 INFO L387 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2021-11-20 06:40:04,769 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([462] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][143], [34#L689-1true, Black: 143#true, 20#L689-5true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, Black: 151#(= |thr1Thread1of3ForFork0_#t~nondet4| |#race~s~0|), 149#true, 43#L696-5true, 126#L689true, 155#true, Black: 137#true]) [2021-11-20 06:40:04,769 INFO L384 tUnfolder$Statistics]: this new event has 67 ancestors and is cut-off event [2021-11-20 06:40:04,769 INFO L387 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2021-11-20 06:40:04,770 INFO L387 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2021-11-20 06:40:04,770 INFO L387 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2021-11-20 06:40:04,772 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][103], [130#L690true, Black: 143#true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, Black: 151#(= |thr1Thread1of3ForFork0_#t~nondet4| |#race~s~0|), 129#L688-7true, 149#true, 43#L696-5true, 155#true, Black: 137#true, 119#L689true]) [2021-11-20 06:40:04,772 INFO L384 tUnfolder$Statistics]: this new event has 66 ancestors and is cut-off event [2021-11-20 06:40:04,772 INFO L387 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2021-11-20 06:40:04,772 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-11-20 06:40:04,773 INFO L387 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2021-11-20 06:40:04,831 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([462] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][73], [130#L690true, 34#L689-1true, Black: 143#true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, Black: 151#(= |thr1Thread1of3ForFork0_#t~nondet4| |#race~s~0|), 149#true, 43#L696-5true, 126#L689true, 155#true, Black: 137#true]) [2021-11-20 06:40:04,832 INFO L384 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2021-11-20 06:40:04,832 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2021-11-20 06:40:04,832 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-11-20 06:40:04,832 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2021-11-20 06:40:04,884 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][103], [130#L690true, 57#L689-1true, Black: 143#true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, Black: 151#(= |thr1Thread1of3ForFork0_#t~nondet4| |#race~s~0|), 149#true, 43#L696-5true, 155#true, Black: 137#true, 119#L689true]) [2021-11-20 06:40:04,885 INFO L384 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2021-11-20 06:40:04,885 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2021-11-20 06:40:04,885 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-11-20 06:40:04,885 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2021-11-20 06:40:05,608 INFO L129 PetriNetUnfolder]: 3962/14490 cut-off events. [2021-11-20 06:40:05,608 INFO L130 PetriNetUnfolder]: For 4054/5057 co-relation queries the response was YES. [2021-11-20 06:40:05,720 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27354 conditions, 14490 events. 3962/14490 cut-off events. For 4054/5057 co-relation queries the response was YES. Maximal size of possible extension queue 783. Compared 178156 event pairs, 1378 based on Foata normal form. 54/11813 useless extension candidates. Maximal degree in co-relation 27230. Up to 3263 conditions per place. [2021-11-20 06:40:05,848 INFO L132 encePairwiseOnDemand]: 126/134 looper letters, 42 selfloop transitions, 12 changer transitions 0/181 dead transitions. [2021-11-20 06:40:05,848 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 181 transitions, 755 flow [2021-11-20 06:40:05,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:40:05,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:40:05,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 349 transitions. [2021-11-20 06:40:05,850 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8681592039800995 [2021-11-20 06:40:05,851 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 349 transitions. [2021-11-20 06:40:05,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 349 transitions. [2021-11-20 06:40:05,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:40:05,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 349 transitions. [2021-11-20 06:40:05,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:05,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:05,855 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:05,855 INFO L186 Difference]: Start difference. First operand has 133 places, 159 transitions, 565 flow. Second operand 3 states and 349 transitions. [2021-11-20 06:40:05,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 181 transitions, 755 flow [2021-11-20 06:40:05,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 181 transitions, 723 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 06:40:05,878 INFO L242 Difference]: Finished difference. Result has 135 places, 169 transitions, 639 flow [2021-11-20 06:40:05,879 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=533, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=639, PETRI_PLACES=135, PETRI_TRANSITIONS=169} [2021-11-20 06:40:05,879 INFO L334 CegarLoopForPetriNet]: 134 programPoint places, 1 predicate places. [2021-11-20 06:40:05,880 INFO L470 AbstractCegarLoop]: Abstraction has has 135 places, 169 transitions, 639 flow [2021-11-20 06:40:05,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:05,880 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:40:05,880 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:40:05,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 06:40:05,881 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-11-20 06:40:05,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:40:05,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1842888451, now seen corresponding path program 1 times [2021-11-20 06:40:05,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:40:05,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486362366] [2021-11-20 06:40:05,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:40:05,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:40:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:40:05,913 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-20 06:40:05,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:40:05,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486362366] [2021-11-20 06:40:05,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486362366] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:40:05,914 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:40:05,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:40:05,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220323817] [2021-11-20 06:40:05,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:40:05,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:40:05,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:40:05,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:40:05,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:40:05,917 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 134 [2021-11-20 06:40:05,917 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 169 transitions, 639 flow. Second operand has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:05,917 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:40:05,918 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 134 [2021-11-20 06:40:05,918 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:40:07,408 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][104], [130#L690true, 161#true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 43#L696-5true, 155#true, Black: 137#true, 119#L689true, Black: 143#true, Black: 151#(= |thr1Thread1of3ForFork0_#t~nondet4| |#race~s~0|), 129#L688-7true, Black: 157#(= |thr1Thread1of3ForFork0_#t~nondet5| |#race~l~0|)]) [2021-11-20 06:40:07,408 INFO L384 tUnfolder$Statistics]: this new event has 66 ancestors and is cut-off event [2021-11-20 06:40:07,408 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-11-20 06:40:07,409 INFO L387 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2021-11-20 06:40:07,409 INFO L387 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2021-11-20 06:40:07,486 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([462] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][73], [130#L690true, thr1Thread1of3ForFork0InUse, 161#true, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 43#L696-5true, 155#true, Black: 137#true, 34#L689-1true, Black: 143#true, Black: 151#(= |thr1Thread1of3ForFork0_#t~nondet4| |#race~s~0|), 126#L689true, Black: 157#(= |thr1Thread1of3ForFork0_#t~nondet5| |#race~l~0|)]) [2021-11-20 06:40:07,486 INFO L384 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2021-11-20 06:40:07,487 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-11-20 06:40:07,487 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2021-11-20 06:40:07,487 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2021-11-20 06:40:07,572 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][104], [130#L690true, 161#true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 43#L696-5true, 155#true, Black: 137#true, 119#L689true, 57#L689-1true, Black: 143#true, Black: 151#(= |thr1Thread1of3ForFork0_#t~nondet4| |#race~s~0|), Black: 157#(= |thr1Thread1of3ForFork0_#t~nondet5| |#race~l~0|)]) [2021-11-20 06:40:07,573 INFO L384 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2021-11-20 06:40:07,573 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2021-11-20 06:40:07,573 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2021-11-20 06:40:07,573 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-11-20 06:40:07,730 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([394] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][104], [130#L690true, 161#true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 43#L696-5true, 155#true, Black: 137#true, 119#L689true, 115#L689-3true, Black: 143#true, Black: 151#(= |thr1Thread1of3ForFork0_#t~nondet4| |#race~s~0|), Black: 157#(= |thr1Thread1of3ForFork0_#t~nondet5| |#race~l~0|)]) [2021-11-20 06:40:07,730 INFO L384 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2021-11-20 06:40:07,730 INFO L387 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2021-11-20 06:40:07,730 INFO L387 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2021-11-20 06:40:07,730 INFO L387 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2021-11-20 06:40:08,354 INFO L129 PetriNetUnfolder]: 6011/20030 cut-off events. [2021-11-20 06:40:08,355 INFO L130 PetriNetUnfolder]: For 10559/12278 co-relation queries the response was YES. [2021-11-20 06:40:08,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43394 conditions, 20030 events. 6011/20030 cut-off events. For 10559/12278 co-relation queries the response was YES. Maximal size of possible extension queue 948. Compared 250944 event pairs, 1916 based on Foata normal form. 127/16939 useless extension candidates. Maximal degree in co-relation 41567. Up to 7923 conditions per place. [2021-11-20 06:40:08,608 INFO L132 encePairwiseOnDemand]: 124/134 looper letters, 74 selfloop transitions, 23 changer transitions 0/206 dead transitions. [2021-11-20 06:40:08,608 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 206 transitions, 1002 flow [2021-11-20 06:40:08,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:40:08,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:40:08,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 336 transitions. [2021-11-20 06:40:08,610 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.835820895522388 [2021-11-20 06:40:08,610 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 336 transitions. [2021-11-20 06:40:08,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 336 transitions. [2021-11-20 06:40:08,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:40:08,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 336 transitions. [2021-11-20 06:40:08,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:08,613 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:08,614 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:08,614 INFO L186 Difference]: Start difference. First operand has 135 places, 169 transitions, 639 flow. Second operand 3 states and 336 transitions. [2021-11-20 06:40:08,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 206 transitions, 1002 flow [2021-11-20 06:40:08,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 206 transitions, 978 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 06:40:08,662 INFO L242 Difference]: Finished difference. Result has 137 places, 188 transitions, 845 flow [2021-11-20 06:40:08,663 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=615, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=845, PETRI_PLACES=137, PETRI_TRANSITIONS=188} [2021-11-20 06:40:08,664 INFO L334 CegarLoopForPetriNet]: 134 programPoint places, 3 predicate places. [2021-11-20 06:40:08,664 INFO L470 AbstractCegarLoop]: Abstraction has has 137 places, 188 transitions, 845 flow [2021-11-20 06:40:08,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:08,664 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:40:08,665 INFO L254 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:40:08,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 06:40:08,665 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2021-11-20 06:40:08,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:40:08,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1793019771, now seen corresponding path program 1 times [2021-11-20 06:40:08,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:40:08,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178863154] [2021-11-20 06:40:08,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:40:08,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:40:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:40:08,682 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:40:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:40:08,705 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:40:08,705 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 06:40:08,706 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (20 of 21 remaining) [2021-11-20 06:40:08,706 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining) [2021-11-20 06:40:08,706 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining) [2021-11-20 06:40:08,706 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining) [2021-11-20 06:40:08,706 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (16 of 21 remaining) [2021-11-20 06:40:08,707 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining) [2021-11-20 06:40:08,707 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining) [2021-11-20 06:40:08,707 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining) [2021-11-20 06:40:08,707 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining) [2021-11-20 06:40:08,707 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining) [2021-11-20 06:40:08,709 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 21 remaining) [2021-11-20 06:40:08,710 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 21 remaining) [2021-11-20 06:40:08,710 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 21 remaining) [2021-11-20 06:40:08,710 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining) [2021-11-20 06:40:08,710 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining) [2021-11-20 06:40:08,710 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 21 remaining) [2021-11-20 06:40:08,711 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining) [2021-11-20 06:40:08,711 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining) [2021-11-20 06:40:08,711 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining) [2021-11-20 06:40:08,711 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining) [2021-11-20 06:40:08,711 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining) [2021-11-20 06:40:08,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-20 06:40:08,712 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-20 06:40:08,712 WARN L234 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-20 06:40:08,713 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-11-20 06:40:08,724 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,725 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,725 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,725 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,725 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,725 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,725 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,726 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,726 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,726 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,726 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,726 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,726 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,727 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,727 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,727 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,727 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,727 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,727 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,727 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,728 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,729 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,730 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,730 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,730 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,730 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,730 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,730 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,730 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,731 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,863 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,863 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,864 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,864 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,864 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,864 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,864 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,864 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,864 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,864 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,864 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,865 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,865 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,865 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,865 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,865 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,865 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,865 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,865 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,865 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,866 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,866 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,866 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,866 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,866 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,866 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,866 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,866 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,867 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,867 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,867 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,867 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,867 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,867 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,867 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,867 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,867 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,868 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,868 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,868 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,868 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,868 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,868 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,868 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,868 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,868 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,868 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,868 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,868 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,869 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,869 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,869 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,869 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,869 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,869 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,869 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,869 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,869 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,869 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,869 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,869 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,869 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,869 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,870 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,870 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,870 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,870 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,870 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,870 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,870 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,870 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,870 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,870 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,870 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,870 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,870 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,871 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,871 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,871 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,871 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,871 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,871 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,871 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,871 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,871 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,872 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,872 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,872 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,872 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,872 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,872 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,872 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,872 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,872 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,873 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,873 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,873 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,873 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,873 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,874 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,874 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,874 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,874 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,874 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,874 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,875 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,875 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,875 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,875 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,875 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,875 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,876 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,876 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,876 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,876 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,876 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,876 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,877 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,877 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,877 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,877 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,877 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,878 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,878 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,878 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,878 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,878 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,878 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,879 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,879 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,879 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,879 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,879 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,879 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,880 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,880 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,880 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,880 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,880 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,880 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,881 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,881 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,881 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,881 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,882 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,882 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,882 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,882 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,882 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,883 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,883 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,883 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,884 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,884 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,884 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,884 WARN L322 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,884 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,885 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,885 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,886 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,886 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,886 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,886 WARN L322 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,886 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,886 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,887 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,887 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,888 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,888 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,888 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~short3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,888 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,888 WARN L322 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:40:08,889 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-20 06:40:08,890 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:40:08,891 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 [2021-11-20 06:40:08,891 INFO L340 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2021-11-20 06:40:08,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 169 places, 169 transitions, 370 flow [2021-11-20 06:40:08,932 INFO L129 PetriNetUnfolder]: 13/219 cut-off events. [2021-11-20 06:40:08,933 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-11-20 06:40:08,935 INFO L84 FinitePrefix]: Finished finitePrefix Result has 242 conditions, 219 events. 13/219 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 692 event pairs, 0 based on Foata normal form. 0/181 useless extension candidates. Maximal degree in co-relation 179. Up to 10 conditions per place. [2021-11-20 06:40:08,936 INFO L82 GeneralOperation]: Start removeDead. Operand has 169 places, 169 transitions, 370 flow [2021-11-20 06:40:08,941 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 169 places, 169 transitions, 370 flow [2021-11-20 06:40:08,944 INFO L129 PetriNetUnfolder]: 2/35 cut-off events. [2021-11-20 06:40:08,945 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:40:08,945 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:40:08,945 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] [2021-11-20 06:40:08,945 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:40:08,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:40:08,946 INFO L85 PathProgramCache]: Analyzing trace with hash 2024124458, now seen corresponding path program 1 times [2021-11-20 06:40:08,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:40:08,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497193064] [2021-11-20 06:40:08,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:40:08,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:40:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:40:08,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:40:08,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:40:08,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497193064] [2021-11-20 06:40:08,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497193064] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:40:08,974 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:40:08,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:40:08,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869546399] [2021-11-20 06:40:08,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:40:08,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:40:08,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:40:08,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:40:08,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:40:08,977 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 169 [2021-11-20 06:40:08,978 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 169 transitions, 370 flow. Second operand has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:08,978 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:40:08,978 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 169 [2021-11-20 06:40:08,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:40:12,769 INFO L129 PetriNetUnfolder]: 10552/36460 cut-off events. [2021-11-20 06:40:12,769 INFO L130 PetriNetUnfolder]: For 5029/5029 co-relation queries the response was YES. [2021-11-20 06:40:12,981 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52975 conditions, 36460 events. 10552/36460 cut-off events. For 5029/5029 co-relation queries the response was YES. Maximal size of possible extension queue 1431. Compared 486464 event pairs, 4260 based on Foata normal form. 6641/34518 useless extension candidates. Maximal degree in co-relation 44195. Up to 7193 conditions per place. [2021-11-20 06:40:13,223 INFO L132 encePairwiseOnDemand]: 147/169 looper letters, 39 selfloop transitions, 12 changer transitions 0/177 dead transitions. [2021-11-20 06:40:13,224 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 177 transitions, 509 flow [2021-11-20 06:40:13,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:40:13,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:40:13,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 460 transitions. [2021-11-20 06:40:13,226 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9072978303747534 [2021-11-20 06:40:13,226 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 460 transitions. [2021-11-20 06:40:13,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 460 transitions. [2021-11-20 06:40:13,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:40:13,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 460 transitions. [2021-11-20 06:40:13,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:13,230 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 169.0) internal successors, (676), 4 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:13,230 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 169.0) internal successors, (676), 4 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:13,230 INFO L186 Difference]: Start difference. First operand has 169 places, 169 transitions, 370 flow. Second operand 3 states and 460 transitions. [2021-11-20 06:40:13,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 177 transitions, 509 flow [2021-11-20 06:40:13,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 177 transitions, 491 flow, removed 9 selfloop flow, removed 0 redundant places. [2021-11-20 06:40:13,236 INFO L242 Difference]: Finished difference. Result has 163 places, 166 transitions, 432 flow [2021-11-20 06:40:13,237 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=432, PETRI_PLACES=163, PETRI_TRANSITIONS=166} [2021-11-20 06:40:13,237 INFO L334 CegarLoopForPetriNet]: 169 programPoint places, -6 predicate places. [2021-11-20 06:40:13,237 INFO L470 AbstractCegarLoop]: Abstraction has has 163 places, 166 transitions, 432 flow [2021-11-20 06:40:13,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:13,238 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:40:13,238 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] [2021-11-20 06:40:13,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-20 06:40:13,239 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:40:13,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:40:13,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1372513744, now seen corresponding path program 1 times [2021-11-20 06:40:13,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:40:13,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065119106] [2021-11-20 06:40:13,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:40:13,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:40:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:40:13,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:40:13,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:40:13,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065119106] [2021-11-20 06:40:13,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065119106] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:40:13,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:40:13,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:40:13,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174393797] [2021-11-20 06:40:13,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:40:13,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:40:13,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:40:13,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:40:13,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:40:13,269 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 169 [2021-11-20 06:40:13,269 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 166 transitions, 432 flow. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:13,269 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:40:13,269 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 169 [2021-11-20 06:40:13,270 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:40:24,205 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([597] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][146], [Black: 172#true, 146#L689-4true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 78#L689true, 180#(= |#race~s~0| 0), thr1Thread3of4ForFork0InUse, 64#L696-5true, thr1Thread4of4ForFork0InUse, 174#(= |#race~l~0| 0), 89#L689-4true, 81#L688-2true]) [2021-11-20 06:40:24,206 INFO L384 tUnfolder$Statistics]: this new event has 76 ancestors and is not cut-off event [2021-11-20 06:40:24,206 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is not cut-off event [2021-11-20 06:40:24,206 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is not cut-off event [2021-11-20 06:40:24,206 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is not cut-off event [2021-11-20 06:40:25,398 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([597] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][146], [Black: 172#true, thr1Thread1of4ForFork0InUse, 78#L689true, thr1Thread2of4ForFork0InUse, 180#(= |#race~s~0| 0), thr1Thread3of4ForFork0InUse, 64#L696-5true, thr1Thread4of4ForFork0InUse, 108#L689-5true, 174#(= |#race~l~0| 0), 89#L689-4true, 81#L688-2true]) [2021-11-20 06:40:25,398 INFO L384 tUnfolder$Statistics]: this new event has 77 ancestors and is not cut-off event [2021-11-20 06:40:25,398 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is not cut-off event [2021-11-20 06:40:25,398 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is not cut-off event [2021-11-20 06:40:25,398 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is not cut-off event [2021-11-20 06:40:25,432 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([597] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][146], [Black: 172#true, thr1Thread1of4ForFork0InUse, 78#L689true, thr1Thread2of4ForFork0InUse, 180#(= |#race~s~0| 0), thr1Thread3of4ForFork0InUse, 64#L696-5true, thr1Thread4of4ForFork0InUse, 82#thr1Err3ASSERT_VIOLATIONDATA_RACEtrue, 174#(= |#race~l~0| 0), 89#L689-4true, 81#L688-2true]) [2021-11-20 06:40:25,432 INFO L384 tUnfolder$Statistics]: this new event has 77 ancestors and is not cut-off event [2021-11-20 06:40:25,432 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is not cut-off event [2021-11-20 06:40:25,432 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is not cut-off event [2021-11-20 06:40:25,433 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is not cut-off event [2021-11-20 06:40:25,461 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([597] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][146], [Black: 172#true, 146#L689-4true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 78#L689true, 180#(= |#race~s~0| 0), thr1Thread3of4ForFork0InUse, 64#L696-5true, 36#thr1Err3ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread4of4ForFork0InUse, 174#(= |#race~l~0| 0), 81#L688-2true]) [2021-11-20 06:40:25,461 INFO L384 tUnfolder$Statistics]: this new event has 77 ancestors and is not cut-off event [2021-11-20 06:40:25,461 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is not cut-off event [2021-11-20 06:40:25,462 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is not cut-off event [2021-11-20 06:40:25,462 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is not cut-off event [2021-11-20 06:40:25,464 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([597] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][146], [Black: 172#true, 146#L689-4true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 78#L689true, 63#L689-5true, 180#(= |#race~s~0| 0), thr1Thread3of4ForFork0InUse, 64#L696-5true, thr1Thread4of4ForFork0InUse, 174#(= |#race~l~0| 0), 81#L688-2true]) [2021-11-20 06:40:25,464 INFO L384 tUnfolder$Statistics]: this new event has 77 ancestors and is not cut-off event [2021-11-20 06:40:25,464 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is not cut-off event [2021-11-20 06:40:25,464 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is not cut-off event [2021-11-20 06:40:25,464 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is not cut-off event [2021-11-20 06:40:26,300 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([563] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][98], [Black: 172#true, 114#thr1ENTRYtrue, 37#L690-3true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 180#(= |#race~s~0| 0), 102#L689true, thr1Thread3of4ForFork0InUse, 64#L696-5true, thr1Thread4of4ForFork0InUse, 174#(= |#race~l~0| 0), 89#L689-4true]) [2021-11-20 06:40:26,300 INFO L384 tUnfolder$Statistics]: this new event has 78 ancestors and is not cut-off event [2021-11-20 06:40:26,300 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is not cut-off event [2021-11-20 06:40:26,300 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is not cut-off event [2021-11-20 06:40:26,300 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is not cut-off event [2021-11-20 06:40:26,323 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([563] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][98], [146#L689-4true, Black: 172#true, 106#L690-3true, 114#thr1ENTRYtrue, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 180#(= |#race~s~0| 0), 102#L689true, thr1Thread3of4ForFork0InUse, 64#L696-5true, thr1Thread4of4ForFork0InUse, 174#(= |#race~l~0| 0)]) [2021-11-20 06:40:26,323 INFO L384 tUnfolder$Statistics]: this new event has 78 ancestors and is not cut-off event [2021-11-20 06:40:26,323 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is not cut-off event [2021-11-20 06:40:26,324 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is not cut-off event [2021-11-20 06:40:26,324 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is not cut-off event [2021-11-20 06:40:26,415 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([597] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][146], [Black: 172#true, thr1Thread1of4ForFork0InUse, 78#L689true, thr1Thread2of4ForFork0InUse, 180#(= |#race~s~0| 0), thr1Thread3of4ForFork0InUse, 64#L696-5true, thr1Thread4of4ForFork0InUse, 36#thr1Err3ASSERT_VIOLATIONDATA_RACEtrue, 108#L689-5true, 174#(= |#race~l~0| 0), 81#L688-2true]) [2021-11-20 06:40:26,415 INFO L384 tUnfolder$Statistics]: this new event has 78 ancestors and is not cut-off event [2021-11-20 06:40:26,415 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is not cut-off event [2021-11-20 06:40:26,415 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is not cut-off event [2021-11-20 06:40:26,415 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is not cut-off event [2021-11-20 06:40:26,417 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([597] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][146], [Black: 172#true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 78#L689true, 63#L689-5true, 180#(= |#race~s~0| 0), thr1Thread3of4ForFork0InUse, 64#L696-5true, thr1Thread4of4ForFork0InUse, 108#L689-5true, 174#(= |#race~l~0| 0), 81#L688-2true]) [2021-11-20 06:40:26,417 INFO L384 tUnfolder$Statistics]: this new event has 78 ancestors and is not cut-off event [2021-11-20 06:40:26,417 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is not cut-off event [2021-11-20 06:40:26,418 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is not cut-off event [2021-11-20 06:40:26,418 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is not cut-off event [2021-11-20 06:40:26,451 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([597] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][146], [Black: 172#true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 78#L689true, 180#(= |#race~s~0| 0), thr1Thread3of4ForFork0InUse, 64#L696-5true, thr1Thread4of4ForFork0InUse, 36#thr1Err3ASSERT_VIOLATIONDATA_RACEtrue, 82#thr1Err3ASSERT_VIOLATIONDATA_RACEtrue, 174#(= |#race~l~0| 0), 81#L688-2true]) [2021-11-20 06:40:26,452 INFO L384 tUnfolder$Statistics]: this new event has 78 ancestors and is not cut-off event [2021-11-20 06:40:26,452 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is not cut-off event [2021-11-20 06:40:26,452 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is not cut-off event [2021-11-20 06:40:26,452 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is not cut-off event [2021-11-20 06:40:26,454 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([597] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][146], [Black: 172#true, thr1Thread1of4ForFork0InUse, 78#L689true, thr1Thread2of4ForFork0InUse, 180#(= |#race~s~0| 0), 63#L689-5true, thr1Thread3of4ForFork0InUse, 64#L696-5true, thr1Thread4of4ForFork0InUse, 82#thr1Err3ASSERT_VIOLATIONDATA_RACEtrue, 174#(= |#race~l~0| 0), 81#L688-2true]) [2021-11-20 06:40:26,454 INFO L384 tUnfolder$Statistics]: this new event has 78 ancestors and is not cut-off event [2021-11-20 06:40:26,454 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is not cut-off event [2021-11-20 06:40:26,454 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is not cut-off event [2021-11-20 06:40:26,454 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is not cut-off event [2021-11-20 06:40:27,500 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([563] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][98], [Black: 172#true, 114#thr1ENTRYtrue, 37#L690-3true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 180#(= |#race~s~0| 0), 102#L689true, thr1Thread3of4ForFork0InUse, 64#L696-5true, thr1Thread4of4ForFork0InUse, 36#thr1Err3ASSERT_VIOLATIONDATA_RACEtrue, 174#(= |#race~l~0| 0)]) [2021-11-20 06:40:27,501 INFO L384 tUnfolder$Statistics]: this new event has 79 ancestors and is not cut-off event [2021-11-20 06:40:27,501 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is not cut-off event [2021-11-20 06:40:27,501 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is not cut-off event [2021-11-20 06:40:27,501 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is not cut-off event [2021-11-20 06:40:27,502 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([563] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][98], [Black: 172#true, 114#thr1ENTRYtrue, 37#L690-3true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 180#(= |#race~s~0| 0), 63#L689-5true, thr1Thread3of4ForFork0InUse, 102#L689true, 64#L696-5true, thr1Thread4of4ForFork0InUse, 174#(= |#race~l~0| 0)]) [2021-11-20 06:40:27,502 INFO L384 tUnfolder$Statistics]: this new event has 79 ancestors and is not cut-off event [2021-11-20 06:40:27,502 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is not cut-off event [2021-11-20 06:40:27,502 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is not cut-off event [2021-11-20 06:40:27,502 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is not cut-off event [2021-11-20 06:40:27,527 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([563] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][98], [Black: 172#true, 106#L690-3true, 114#thr1ENTRYtrue, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 180#(= |#race~s~0| 0), 102#L689true, thr1Thread3of4ForFork0InUse, 64#L696-5true, 108#L689-5true, thr1Thread4of4ForFork0InUse, 174#(= |#race~l~0| 0)]) [2021-11-20 06:40:27,527 INFO L384 tUnfolder$Statistics]: this new event has 79 ancestors and is not cut-off event [2021-11-20 06:40:27,527 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is not cut-off event [2021-11-20 06:40:27,527 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is not cut-off event [2021-11-20 06:40:27,527 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is not cut-off event [2021-11-20 06:40:27,532 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([563] L688-14-->L689: Formula: (= |v_#race~s~0_4| 0) InVars {} OutVars{#race~s~0=|v_#race~s~0_4|} AuxVars[] AssignedVars[#race~s~0][98], [Black: 172#true, 106#L690-3true, 114#thr1ENTRYtrue, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 180#(= |#race~s~0| 0), 102#L689true, thr1Thread3of4ForFork0InUse, 64#L696-5true, thr1Thread4of4ForFork0InUse, 82#thr1Err3ASSERT_VIOLATIONDATA_RACEtrue, 174#(= |#race~l~0| 0)]) [2021-11-20 06:40:27,532 INFO L384 tUnfolder$Statistics]: this new event has 79 ancestors and is not cut-off event [2021-11-20 06:40:27,532 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is not cut-off event [2021-11-20 06:40:27,532 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is not cut-off event [2021-11-20 06:40:27,532 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is not cut-off event [2021-11-20 06:40:37,475 INFO L129 PetriNetUnfolder]: 82293/214654 cut-off events. [2021-11-20 06:40:37,475 INFO L130 PetriNetUnfolder]: For 13308/13434 co-relation queries the response was YES. [2021-11-20 06:40:38,982 INFO L84 FinitePrefix]: Finished finitePrefix Result has 359265 conditions, 214654 events. 82293/214654 cut-off events. For 13308/13434 co-relation queries the response was YES. Maximal size of possible extension queue 8650. Compared 3264991 event pairs, 29422 based on Foata normal form. 0/173858 useless extension candidates. Maximal degree in co-relation 358635. Up to 72872 conditions per place. [2021-11-20 06:40:40,408 INFO L132 encePairwiseOnDemand]: 141/169 looper letters, 51 selfloop transitions, 20 changer transitions 0/197 dead transitions. [2021-11-20 06:40:40,408 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 197 transitions, 651 flow [2021-11-20 06:40:40,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:40:40,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:40:40,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 436 transitions. [2021-11-20 06:40:40,411 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8599605522682445 [2021-11-20 06:40:40,411 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 436 transitions. [2021-11-20 06:40:40,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 436 transitions. [2021-11-20 06:40:40,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:40:40,412 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 436 transitions. [2021-11-20 06:40:40,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:40,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 169.0) internal successors, (676), 4 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:40,416 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 169.0) internal successors, (676), 4 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:40,416 INFO L186 Difference]: Start difference. First operand has 163 places, 166 transitions, 432 flow. Second operand 3 states and 436 transitions. [2021-11-20 06:40:40,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 197 transitions, 651 flow [2021-11-20 06:40:40,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 197 transitions, 627 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 06:40:40,917 INFO L242 Difference]: Finished difference. Result has 165 places, 186 transitions, 584 flow [2021-11-20 06:40:40,918 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=408, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=584, PETRI_PLACES=165, PETRI_TRANSITIONS=186} [2021-11-20 06:40:40,918 INFO L334 CegarLoopForPetriNet]: 169 programPoint places, -4 predicate places. [2021-11-20 06:40:40,919 INFO L470 AbstractCegarLoop]: Abstraction has has 165 places, 186 transitions, 584 flow [2021-11-20 06:40:40,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:40,919 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:40:40,919 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] [2021-11-20 06:40:40,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-20 06:40:40,920 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-11-20 06:40:40,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:40:40,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1429500565, now seen corresponding path program 1 times [2021-11-20 06:40:40,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:40:40,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595311565] [2021-11-20 06:40:40,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:40:40,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:40:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:40:40,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:40:40,943 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:40:40,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595311565] [2021-11-20 06:40:40,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595311565] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:40:40,944 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:40:40,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:40:40,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364396207] [2021-11-20 06:40:40,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:40:40,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:40:40,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:40:40,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:40:40,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:40:40,946 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 169 [2021-11-20 06:40:40,947 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 186 transitions, 584 flow. Second operand has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:40:40,947 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:40:40,948 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 169 [2021-11-20 06:40:40,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand