./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91fcfc2d-5f14-40e0-9aec-4b2650be13f9/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91fcfc2d-5f14-40e0-9aec-4b2650be13f9/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91fcfc2d-5f14-40e0-9aec-4b2650be13f9/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91fcfc2d-5f14-40e0-9aec-4b2650be13f9/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91fcfc2d-5f14-40e0-9aec-4b2650be13f9/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91fcfc2d-5f14-40e0-9aec-4b2650be13f9/bin/uautomizer-tPACEb0tL8 --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 75c86508b929748d0860a2261aae2f86897f25a70c1055933792f6abb004bc7e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:22:24,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:22:24,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:22:24,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:22:24,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:22:24,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:22:24,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:22:24,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:22:24,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:22:24,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:22:24,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:22:24,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:22:24,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:22:24,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:22:24,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:22:24,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:22:24,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:22:24,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:22:24,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:22:24,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:22:24,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:22:24,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:22:24,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:22:24,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:22:24,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:22:24,793 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:22:24,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:22:24,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:22:24,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:22:24,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:22:24,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:22:24,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:22:24,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:22:24,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:22:24,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:22:24,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:22:24,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:22:24,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:22:24,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:22:24,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:22:24,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:22:24,813 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91fcfc2d-5f14-40e0-9aec-4b2650be13f9/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 12:22:24,849 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:22:24,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:22:24,851 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:22:24,851 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:22:24,852 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:22:24,852 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:22:24,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:22:24,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:22:24,853 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:22:24,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:22:24,854 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:22:24,854 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:22:24,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:22:24,854 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:22:24,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:22:24,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:22:24,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:22:24,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:22:24,855 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 12:22:24,856 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:22:24,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:22:24,856 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:22:24,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:22:24,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:22:24,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:22:24,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:22:24,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:22:24,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:22:24,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:22:24,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:22:24,858 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:22:24,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:22:24,858 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:22:24,859 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:22:24,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:22:24,859 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_91fcfc2d-5f14-40e0-9aec-4b2650be13f9/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91fcfc2d-5f14-40e0-9aec-4b2650be13f9/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75c86508b929748d0860a2261aae2f86897f25a70c1055933792f6abb004bc7e [2022-11-16 12:22:25,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:22:25,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:22:25,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:22:25,215 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:22:25,216 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:22:25,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91fcfc2d-5f14-40e0-9aec-4b2650be13f9/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c [2022-11-16 12:22:25,299 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91fcfc2d-5f14-40e0-9aec-4b2650be13f9/bin/uautomizer-tPACEb0tL8/data/eb91bc712/fdcf817858ec4f74bf060208a2787a6e/FLAG93182522a [2022-11-16 12:22:25,889 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:22:25,891 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91fcfc2d-5f14-40e0-9aec-4b2650be13f9/sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c [2022-11-16 12:22:25,910 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91fcfc2d-5f14-40e0-9aec-4b2650be13f9/bin/uautomizer-tPACEb0tL8/data/eb91bc712/fdcf817858ec4f74bf060208a2787a6e/FLAG93182522a [2022-11-16 12:22:26,219 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91fcfc2d-5f14-40e0-9aec-4b2650be13f9/bin/uautomizer-tPACEb0tL8/data/eb91bc712/fdcf817858ec4f74bf060208a2787a6e [2022-11-16 12:22:26,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:22:26,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:22:26,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:22:26,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:22:26,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:22:26,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:22:26" (1/1) ... [2022-11-16 12:22:26,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f91b715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:26, skipping insertion in model container [2022-11-16 12:22:26,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:22:26" (1/1) ... [2022-11-16 12:22:26,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:22:26,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:22:26,472 WARN L229 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_91fcfc2d-5f14-40e0-9aec-4b2650be13f9/sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c[3134,3147] [2022-11-16 12:22:26,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:22:26,483 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:22:26,514 WARN L229 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_91fcfc2d-5f14-40e0-9aec-4b2650be13f9/sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c[3134,3147] [2022-11-16 12:22:26,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:22:26,530 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:22:26,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:26 WrapperNode [2022-11-16 12:22:26,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:22:26,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:22:26,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:22:26,533 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:22:26,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:26" (1/1) ... [2022-11-16 12:22:26,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:26" (1/1) ... [2022-11-16 12:22:26,575 INFO L138 Inliner]: procedures = 21, calls = 48, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 195 [2022-11-16 12:22:26,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:22:26,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:22:26,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:22:26,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:22:26,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:26" (1/1) ... [2022-11-16 12:22:26,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:26" (1/1) ... [2022-11-16 12:22:26,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:26" (1/1) ... [2022-11-16 12:22:26,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:26" (1/1) ... [2022-11-16 12:22:26,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:26" (1/1) ... [2022-11-16 12:22:26,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:26" (1/1) ... [2022-11-16 12:22:26,602 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:26" (1/1) ... [2022-11-16 12:22:26,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:26" (1/1) ... [2022-11-16 12:22:26,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:22:26,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:22:26,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:22:26,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:22:26,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:26" (1/1) ... [2022-11-16 12:22:26,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:22:26,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91fcfc2d-5f14-40e0-9aec-4b2650be13f9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:22:26,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91fcfc2d-5f14-40e0-9aec-4b2650be13f9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:22:26,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91fcfc2d-5f14-40e0-9aec-4b2650be13f9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:22:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:22:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 12:22:26,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 12:22:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 12:22:26,696 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 12:22:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:22:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:22:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:22:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 12:22:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 12:22:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:22:26,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:22:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:22:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:22:26,705 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 12:22:26,864 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:22:26,866 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:22:27,400 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:22:27,589 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:22:27,589 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 12:22:27,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:22:27 BoogieIcfgContainer [2022-11-16 12:22:27,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:22:27,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:22:27,594 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:22:27,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:22:27,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:22:26" (1/3) ... [2022-11-16 12:22:27,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2822b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:22:27, skipping insertion in model container [2022-11-16 12:22:27,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:26" (2/3) ... [2022-11-16 12:22:27,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2822b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:22:27, skipping insertion in model container [2022-11-16 12:22:27,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:22:27" (3/3) ... [2022-11-16 12:22:27,606 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bluetooth.wvr.c [2022-11-16 12:22:27,615 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 12:22:27,626 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:22:27,626 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2022-11-16 12:22:27,626 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 12:22:27,735 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-16 12:22:27,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 219 places, 221 transitions, 458 flow [2022-11-16 12:22:27,911 INFO L130 PetriNetUnfolder]: 9/219 cut-off events. [2022-11-16 12:22:27,911 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-16 12:22:27,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 228 conditions, 219 events. 9/219 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 148 event pairs, 0 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 160. Up to 2 conditions per place. [2022-11-16 12:22:27,919 INFO L82 GeneralOperation]: Start removeDead. Operand has 219 places, 221 transitions, 458 flow [2022-11-16 12:22:27,931 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 200 places, 201 transitions, 414 flow [2022-11-16 12:22:27,952 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:22:27,962 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@8f5b02f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:22:27,962 INFO L358 AbstractCegarLoop]: Starting to check reachability of 57 error locations. [2022-11-16 12:22:27,974 INFO L130 PetriNetUnfolder]: 0/24 cut-off events. [2022-11-16 12:22:27,975 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:22:27,975 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:22:27,976 INFO L209 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] [2022-11-16 12:22:27,977 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2022-11-16 12:22:27,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:27,984 INFO L85 PathProgramCache]: Analyzing trace with hash -596440144, now seen corresponding path program 1 times [2022-11-16 12:22:27,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:27,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341397816] [2022-11-16 12:22:27,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:27,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:28,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:22:28,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:22:28,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341397816] [2022-11-16 12:22:28,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341397816] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:22:28,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:22:28,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:22:28,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513201221] [2022-11-16 12:22:28,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:22:28,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:22:28,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:22:28,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:22:28,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:22:28,338 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 221 [2022-11-16 12:22:28,346 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 201 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:28,346 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:22:28,346 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 221 [2022-11-16 12:22:28,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:22:28,535 INFO L130 PetriNetUnfolder]: 46/277 cut-off events. [2022-11-16 12:22:28,536 INFO L131 PetriNetUnfolder]: For 67/115 co-relation queries the response was YES. [2022-11-16 12:22:28,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 405 conditions, 277 events. 46/277 cut-off events. For 67/115 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 536 event pairs, 32 based on Foata normal form. 6/246 useless extension candidates. Maximal degree in co-relation 224. Up to 99 conditions per place. [2022-11-16 12:22:28,542 INFO L137 encePairwiseOnDemand]: 192/221 looper letters, 21 selfloop transitions, 2 changer transitions 6/174 dead transitions. [2022-11-16 12:22:28,542 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 174 transitions, 406 flow [2022-11-16 12:22:28,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:22:28,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:22:28,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 557 transitions. [2022-11-16 12:22:28,571 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8401206636500754 [2022-11-16 12:22:28,572 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 557 transitions. [2022-11-16 12:22:28,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 557 transitions. [2022-11-16 12:22:28,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:22:28,580 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 557 transitions. [2022-11-16 12:22:28,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:28,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:28,598 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:28,601 INFO L175 Difference]: Start difference. First operand has 200 places, 201 transitions, 414 flow. Second operand 3 states and 557 transitions. [2022-11-16 12:22:28,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 174 transitions, 406 flow [2022-11-16 12:22:28,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 174 transitions, 398 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:22:28,613 INFO L231 Difference]: Finished difference. Result has 177 places, 168 transitions, 344 flow [2022-11-16 12:22:28,615 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=177, PETRI_TRANSITIONS=168} [2022-11-16 12:22:28,620 INFO L288 CegarLoopForPetriNet]: 200 programPoint places, -23 predicate places. [2022-11-16 12:22:28,621 INFO L495 AbstractCegarLoop]: Abstraction has has 177 places, 168 transitions, 344 flow [2022-11-16 12:22:28,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:28,622 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:22:28,623 INFO L209 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] [2022-11-16 12:22:28,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:22:28,624 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2022-11-16 12:22:28,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:28,624 INFO L85 PathProgramCache]: Analyzing trace with hash -2110276726, now seen corresponding path program 1 times [2022-11-16 12:22:28,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:28,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087819403] [2022-11-16 12:22:28,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:28,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:28,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:22:28,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:22:28,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087819403] [2022-11-16 12:22:28,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087819403] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:22:28,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:22:28,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:22:28,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194603710] [2022-11-16 12:22:28,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:22:28,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:22:28,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:22:28,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:22:28,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:22:28,740 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 221 [2022-11-16 12:22:28,742 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 168 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:28,746 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:22:28,746 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 221 [2022-11-16 12:22:28,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:22:28,867 INFO L130 PetriNetUnfolder]: 46/270 cut-off events. [2022-11-16 12:22:28,867 INFO L131 PetriNetUnfolder]: For 14/62 co-relation queries the response was YES. [2022-11-16 12:22:28,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 380 conditions, 270 events. 46/270 cut-off events. For 14/62 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 531 event pairs, 32 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 347. Up to 99 conditions per place. [2022-11-16 12:22:28,873 INFO L137 encePairwiseOnDemand]: 218/221 looper letters, 21 selfloop transitions, 2 changer transitions 0/167 dead transitions. [2022-11-16 12:22:28,873 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 167 transitions, 388 flow [2022-11-16 12:22:28,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:22:28,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:22:28,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 531 transitions. [2022-11-16 12:22:28,876 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8009049773755657 [2022-11-16 12:22:28,876 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 531 transitions. [2022-11-16 12:22:28,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 531 transitions. [2022-11-16 12:22:28,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:22:28,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 531 transitions. [2022-11-16 12:22:28,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:28,883 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:28,884 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:28,884 INFO L175 Difference]: Start difference. First operand has 177 places, 168 transitions, 344 flow. Second operand 3 states and 531 transitions. [2022-11-16 12:22:28,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 167 transitions, 388 flow [2022-11-16 12:22:28,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 167 transitions, 384 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:22:28,892 INFO L231 Difference]: Finished difference. Result has 170 places, 167 transitions, 342 flow [2022-11-16 12:22:28,892 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=170, PETRI_TRANSITIONS=167} [2022-11-16 12:22:28,893 INFO L288 CegarLoopForPetriNet]: 200 programPoint places, -30 predicate places. [2022-11-16 12:22:28,893 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 167 transitions, 342 flow [2022-11-16 12:22:28,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:28,894 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:22:28,894 INFO L209 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] [2022-11-16 12:22:28,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:22:28,895 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2022-11-16 12:22:28,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:28,896 INFO L85 PathProgramCache]: Analyzing trace with hash -570626794, now seen corresponding path program 1 times [2022-11-16 12:22:28,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:28,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360913176] [2022-11-16 12:22:28,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:28,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:28,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:22:28,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:22:28,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360913176] [2022-11-16 12:22:28,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360913176] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:22:28,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:22:28,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:22:28,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569736323] [2022-11-16 12:22:28,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:22:28,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:22:28,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:22:28,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:22:28,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:22:28,994 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 221 [2022-11-16 12:22:28,995 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 167 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:28,995 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:22:28,995 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 221 [2022-11-16 12:22:28,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:22:29,108 INFO L130 PetriNetUnfolder]: 46/269 cut-off events. [2022-11-16 12:22:29,108 INFO L131 PetriNetUnfolder]: For 14/62 co-relation queries the response was YES. [2022-11-16 12:22:29,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 379 conditions, 269 events. 46/269 cut-off events. For 14/62 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 531 event pairs, 32 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 339. Up to 99 conditions per place. [2022-11-16 12:22:29,110 INFO L137 encePairwiseOnDemand]: 218/221 looper letters, 21 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2022-11-16 12:22:29,111 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 166 transitions, 386 flow [2022-11-16 12:22:29,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:22:29,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:22:29,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 531 transitions. [2022-11-16 12:22:29,114 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8009049773755657 [2022-11-16 12:22:29,115 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 531 transitions. [2022-11-16 12:22:29,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 531 transitions. [2022-11-16 12:22:29,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:22:29,116 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 531 transitions. [2022-11-16 12:22:29,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:29,120 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:29,121 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:29,121 INFO L175 Difference]: Start difference. First operand has 170 places, 167 transitions, 342 flow. Second operand 3 states and 531 transitions. [2022-11-16 12:22:29,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 166 transitions, 386 flow [2022-11-16 12:22:29,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 166 transitions, 382 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:22:29,129 INFO L231 Difference]: Finished difference. Result has 169 places, 166 transitions, 340 flow [2022-11-16 12:22:29,129 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=340, PETRI_PLACES=169, PETRI_TRANSITIONS=166} [2022-11-16 12:22:29,132 INFO L288 CegarLoopForPetriNet]: 200 programPoint places, -31 predicate places. [2022-11-16 12:22:29,132 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 166 transitions, 340 flow [2022-11-16 12:22:29,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:29,133 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:22:29,133 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:22:29,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:22:29,134 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2022-11-16 12:22:29,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:29,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1163456900, now seen corresponding path program 1 times [2022-11-16 12:22:29,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:29,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101804726] [2022-11-16 12:22:29,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:29,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:29,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:22:29,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:22:29,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101804726] [2022-11-16 12:22:29,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101804726] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:22:29,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:22:29,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:22:29,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135965954] [2022-11-16 12:22:29,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:22:29,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:22:29,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:22:29,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:22:29,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:22:29,227 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 221 [2022-11-16 12:22:29,227 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 166 transitions, 340 flow. Second operand has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:29,228 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:22:29,228 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 221 [2022-11-16 12:22:29,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:22:29,316 INFO L130 PetriNetUnfolder]: 46/268 cut-off events. [2022-11-16 12:22:29,340 INFO L131 PetriNetUnfolder]: For 14/62 co-relation queries the response was YES. [2022-11-16 12:22:29,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 268 events. 46/268 cut-off events. For 14/62 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 529 event pairs, 32 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 332. Up to 99 conditions per place. [2022-11-16 12:22:29,342 INFO L137 encePairwiseOnDemand]: 218/221 looper letters, 21 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2022-11-16 12:22:29,342 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 165 transitions, 384 flow [2022-11-16 12:22:29,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:22:29,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:22:29,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 531 transitions. [2022-11-16 12:22:29,344 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8009049773755657 [2022-11-16 12:22:29,344 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 531 transitions. [2022-11-16 12:22:29,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 531 transitions. [2022-11-16 12:22:29,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:22:29,348 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 531 transitions. [2022-11-16 12:22:29,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:29,351 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:29,352 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:29,352 INFO L175 Difference]: Start difference. First operand has 169 places, 166 transitions, 340 flow. Second operand 3 states and 531 transitions. [2022-11-16 12:22:29,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 165 transitions, 384 flow [2022-11-16 12:22:29,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 165 transitions, 380 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:22:29,356 INFO L231 Difference]: Finished difference. Result has 168 places, 165 transitions, 338 flow [2022-11-16 12:22:29,356 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=338, PETRI_PLACES=168, PETRI_TRANSITIONS=165} [2022-11-16 12:22:29,359 INFO L288 CegarLoopForPetriNet]: 200 programPoint places, -32 predicate places. [2022-11-16 12:22:29,360 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 165 transitions, 338 flow [2022-11-16 12:22:29,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:29,360 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:22:29,360 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:22:29,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:22:29,361 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2022-11-16 12:22:29,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:29,362 INFO L85 PathProgramCache]: Analyzing trace with hash -739055179, now seen corresponding path program 1 times [2022-11-16 12:22:29,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:29,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410453092] [2022-11-16 12:22:29,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:29,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:29,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:22:29,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:22:29,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410453092] [2022-11-16 12:22:29,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410453092] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:22:29,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:22:29,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:22:29,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230434369] [2022-11-16 12:22:29,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:22:29,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:22:29,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:22:29,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:22:29,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:22:29,446 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 221 [2022-11-16 12:22:29,446 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 165 transitions, 338 flow. Second operand has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:29,447 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:22:29,447 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 221 [2022-11-16 12:22:29,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:22:29,557 INFO L130 PetriNetUnfolder]: 46/267 cut-off events. [2022-11-16 12:22:29,558 INFO L131 PetriNetUnfolder]: For 14/62 co-relation queries the response was YES. [2022-11-16 12:22:29,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 267 events. 46/267 cut-off events. For 14/62 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 533 event pairs, 32 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 325. Up to 99 conditions per place. [2022-11-16 12:22:29,560 INFO L137 encePairwiseOnDemand]: 218/221 looper letters, 21 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2022-11-16 12:22:29,560 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 164 transitions, 382 flow [2022-11-16 12:22:29,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:22:29,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:22:29,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 531 transitions. [2022-11-16 12:22:29,562 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8009049773755657 [2022-11-16 12:22:29,563 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 531 transitions. [2022-11-16 12:22:29,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 531 transitions. [2022-11-16 12:22:29,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:22:29,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 531 transitions. [2022-11-16 12:22:29,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:29,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:29,568 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:29,568 INFO L175 Difference]: Start difference. First operand has 168 places, 165 transitions, 338 flow. Second operand 3 states and 531 transitions. [2022-11-16 12:22:29,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 164 transitions, 382 flow [2022-11-16 12:22:29,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 164 transitions, 378 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:22:29,572 INFO L231 Difference]: Finished difference. Result has 167 places, 164 transitions, 336 flow [2022-11-16 12:22:29,573 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=336, PETRI_PLACES=167, PETRI_TRANSITIONS=164} [2022-11-16 12:22:29,575 INFO L288 CegarLoopForPetriNet]: 200 programPoint places, -33 predicate places. [2022-11-16 12:22:29,576 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 164 transitions, 336 flow [2022-11-16 12:22:29,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:29,577 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:22:29,577 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:22:29,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:22:29,578 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2022-11-16 12:22:29,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:29,579 INFO L85 PathProgramCache]: Analyzing trace with hash 63108757, now seen corresponding path program 1 times [2022-11-16 12:22:29,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:29,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516015936] [2022-11-16 12:22:29,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:29,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:29,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:22:29,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:22:29,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516015936] [2022-11-16 12:22:29,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516015936] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:22:29,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:22:29,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:22:29,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200237388] [2022-11-16 12:22:29,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:22:29,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:22:29,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:22:29,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:22:29,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:22:29,651 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 221 [2022-11-16 12:22:29,652 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 164 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:29,652 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:22:29,652 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 221 [2022-11-16 12:22:29,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:22:29,737 INFO L130 PetriNetUnfolder]: 46/266 cut-off events. [2022-11-16 12:22:29,738 INFO L131 PetriNetUnfolder]: For 14/62 co-relation queries the response was YES. [2022-11-16 12:22:29,738 INFO L83 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 266 events. 46/266 cut-off events. For 14/62 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 532 event pairs, 32 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 320. Up to 101 conditions per place. [2022-11-16 12:22:29,740 INFO L137 encePairwiseOnDemand]: 218/221 looper letters, 23 selfloop transitions, 2 changer transitions 0/163 dead transitions. [2022-11-16 12:22:29,740 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 163 transitions, 384 flow [2022-11-16 12:22:29,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:22:29,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:22:29,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 524 transitions. [2022-11-16 12:22:29,742 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7903469079939668 [2022-11-16 12:22:29,742 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 524 transitions. [2022-11-16 12:22:29,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 524 transitions. [2022-11-16 12:22:29,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:22:29,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 524 transitions. [2022-11-16 12:22:29,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:29,746 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:29,747 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:29,747 INFO L175 Difference]: Start difference. First operand has 167 places, 164 transitions, 336 flow. Second operand 3 states and 524 transitions. [2022-11-16 12:22:29,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 163 transitions, 384 flow [2022-11-16 12:22:29,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 163 transitions, 380 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:22:29,751 INFO L231 Difference]: Finished difference. Result has 166 places, 163 transitions, 334 flow [2022-11-16 12:22:29,752 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=166, PETRI_TRANSITIONS=163} [2022-11-16 12:22:29,753 INFO L288 CegarLoopForPetriNet]: 200 programPoint places, -34 predicate places. [2022-11-16 12:22:29,753 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 163 transitions, 334 flow [2022-11-16 12:22:29,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:29,754 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:22:29,754 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:22:29,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:22:29,754 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2022-11-16 12:22:29,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:29,755 INFO L85 PathProgramCache]: Analyzing trace with hash -426043835, now seen corresponding path program 1 times [2022-11-16 12:22:29,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:29,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609764351] [2022-11-16 12:22:29,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:29,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:29,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:22:29,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:22:29,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609764351] [2022-11-16 12:22:29,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609764351] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:22:29,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:22:29,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:22:29,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089245779] [2022-11-16 12:22:29,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:22:29,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:22:29,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:22:29,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:22:29,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:22:29,794 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 221 [2022-11-16 12:22:29,795 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 163 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:29,796 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:22:29,796 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 221 [2022-11-16 12:22:29,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:22:29,877 INFO L130 PetriNetUnfolder]: 46/265 cut-off events. [2022-11-16 12:22:29,877 INFO L131 PetriNetUnfolder]: For 14/62 co-relation queries the response was YES. [2022-11-16 12:22:29,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 371 conditions, 265 events. 46/265 cut-off events. For 14/62 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 532 event pairs, 32 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 306. Up to 94 conditions per place. [2022-11-16 12:22:29,879 INFO L137 encePairwiseOnDemand]: 219/221 looper letters, 18 selfloop transitions, 1 changer transitions 0/162 dead transitions. [2022-11-16 12:22:29,879 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 162 transitions, 370 flow [2022-11-16 12:22:29,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:22:29,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:22:29,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 536 transitions. [2022-11-16 12:22:29,882 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.808446455505279 [2022-11-16 12:22:29,882 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 536 transitions. [2022-11-16 12:22:29,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 536 transitions. [2022-11-16 12:22:29,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:22:29,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 536 transitions. [2022-11-16 12:22:29,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 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) [2022-11-16 12:22:29,886 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:29,887 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:29,887 INFO L175 Difference]: Start difference. First operand has 166 places, 163 transitions, 334 flow. Second operand 3 states and 536 transitions. [2022-11-16 12:22:29,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 162 transitions, 370 flow [2022-11-16 12:22:29,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 162 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:22:29,891 INFO L231 Difference]: Finished difference. Result has 165 places, 162 transitions, 330 flow [2022-11-16 12:22:29,891 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=165, PETRI_TRANSITIONS=162} [2022-11-16 12:22:29,892 INFO L288 CegarLoopForPetriNet]: 200 programPoint places, -35 predicate places. [2022-11-16 12:22:29,892 INFO L495 AbstractCegarLoop]: Abstraction has has 165 places, 162 transitions, 330 flow [2022-11-16 12:22:29,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:29,893 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:22:29,893 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:22:29,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 12:22:29,893 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2022-11-16 12:22:29,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:29,894 INFO L85 PathProgramCache]: Analyzing trace with hash 2018646910, now seen corresponding path program 1 times [2022-11-16 12:22:29,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:29,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422391970] [2022-11-16 12:22:29,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:29,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:29,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:22:29,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:22:29,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422391970] [2022-11-16 12:22:29,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422391970] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:22:29,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:22:29,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:22:29,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913884557] [2022-11-16 12:22:29,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:22:29,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:22:29,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:22:29,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:22:29,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:22:29,952 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 221 [2022-11-16 12:22:29,953 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 162 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:29,953 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:22:29,953 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 221 [2022-11-16 12:22:29,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:22:30,054 INFO L130 PetriNetUnfolder]: 58/333 cut-off events. [2022-11-16 12:22:30,054 INFO L131 PetriNetUnfolder]: For 16/112 co-relation queries the response was YES. [2022-11-16 12:22:30,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 462 conditions, 333 events. 58/333 cut-off events. For 16/112 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 955 event pairs, 12 based on Foata normal form. 1/302 useless extension candidates. Maximal degree in co-relation 397. Up to 66 conditions per place. [2022-11-16 12:22:30,056 INFO L137 encePairwiseOnDemand]: 213/221 looper letters, 25 selfloop transitions, 7 changer transitions 0/174 dead transitions. [2022-11-16 12:22:30,056 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 174 transitions, 420 flow [2022-11-16 12:22:30,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:22:30,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:22:30,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 549 transitions. [2022-11-16 12:22:30,058 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8280542986425339 [2022-11-16 12:22:30,059 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 549 transitions. [2022-11-16 12:22:30,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 549 transitions. [2022-11-16 12:22:30,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:22:30,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 549 transitions. [2022-11-16 12:22:30,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 183.0) internal successors, (549), 3 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:30,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:30,062 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:30,063 INFO L175 Difference]: Start difference. First operand has 165 places, 162 transitions, 330 flow. Second operand 3 states and 549 transitions. [2022-11-16 12:22:30,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 174 transitions, 420 flow [2022-11-16 12:22:30,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 174 transitions, 419 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:22:30,067 INFO L231 Difference]: Finished difference. Result has 167 places, 167 transitions, 379 flow [2022-11-16 12:22:30,067 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=327, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=379, PETRI_PLACES=167, PETRI_TRANSITIONS=167} [2022-11-16 12:22:30,069 INFO L288 CegarLoopForPetriNet]: 200 programPoint places, -33 predicate places. [2022-11-16 12:22:30,070 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 167 transitions, 379 flow [2022-11-16 12:22:30,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:30,070 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:22:30,070 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:22:30,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 12:22:30,071 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2022-11-16 12:22:30,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:30,072 INFO L85 PathProgramCache]: Analyzing trace with hash -43690372, now seen corresponding path program 1 times [2022-11-16 12:22:30,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:30,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516578786] [2022-11-16 12:22:30,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:30,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:30,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:22:30,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:22:30,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516578786] [2022-11-16 12:22:30,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516578786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:22:30,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:22:30,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:22:30,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033320623] [2022-11-16 12:22:30,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:22:30,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:22:30,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:22:30,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:22:30,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:22:30,153 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 221 [2022-11-16 12:22:30,154 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 167 transitions, 379 flow. Second operand has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:30,154 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:22:30,154 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 221 [2022-11-16 12:22:30,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:22:30,305 INFO L130 PetriNetUnfolder]: 97/476 cut-off events. [2022-11-16 12:22:30,306 INFO L131 PetriNetUnfolder]: For 113/400 co-relation queries the response was YES. [2022-11-16 12:22:30,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 825 conditions, 476 events. 97/476 cut-off events. For 113/400 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1988 event pairs, 22 based on Foata normal form. 0/434 useless extension candidates. Maximal degree in co-relation 759. Up to 108 conditions per place. [2022-11-16 12:22:30,309 INFO L137 encePairwiseOnDemand]: 217/221 looper letters, 38 selfloop transitions, 4 changer transitions 0/183 dead transitions. [2022-11-16 12:22:30,309 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 183 transitions, 531 flow [2022-11-16 12:22:30,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:22:30,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:22:30,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 548 transitions. [2022-11-16 12:22:30,311 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8265460030165912 [2022-11-16 12:22:30,311 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 548 transitions. [2022-11-16 12:22:30,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 548 transitions. [2022-11-16 12:22:30,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:22:30,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 548 transitions. [2022-11-16 12:22:30,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 182.66666666666666) internal successors, (548), 3 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:30,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:30,315 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:30,316 INFO L175 Difference]: Start difference. First operand has 167 places, 167 transitions, 379 flow. Second operand 3 states and 548 transitions. [2022-11-16 12:22:30,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 183 transitions, 531 flow [2022-11-16 12:22:30,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 183 transitions, 505 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:22:30,321 INFO L231 Difference]: Finished difference. Result has 167 places, 167 transitions, 381 flow [2022-11-16 12:22:30,322 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=381, PETRI_PLACES=167, PETRI_TRANSITIONS=167} [2022-11-16 12:22:30,323 INFO L288 CegarLoopForPetriNet]: 200 programPoint places, -33 predicate places. [2022-11-16 12:22:30,324 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 167 transitions, 381 flow [2022-11-16 12:22:30,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:30,324 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:22:30,324 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:22:30,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 12:22:30,325 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2022-11-16 12:22:30,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:30,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1088571534, now seen corresponding path program 1 times [2022-11-16 12:22:30,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:30,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39093991] [2022-11-16 12:22:30,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:30,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:30,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:22:30,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:22:30,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39093991] [2022-11-16 12:22:30,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39093991] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:22:30,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:22:30,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:22:30,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764064760] [2022-11-16 12:22:30,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:22:30,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:22:30,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:22:30,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:22:30,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:22:30,416 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 221 [2022-11-16 12:22:30,417 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 167 transitions, 381 flow. Second operand has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:30,417 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:22:30,417 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 221 [2022-11-16 12:22:30,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:22:30,575 INFO L130 PetriNetUnfolder]: 114/682 cut-off events. [2022-11-16 12:22:30,575 INFO L131 PetriNetUnfolder]: For 125/601 co-relation queries the response was YES. [2022-11-16 12:22:30,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1082 conditions, 682 events. 114/682 cut-off events. For 125/601 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 3858 event pairs, 29 based on Foata normal form. 0/623 useless extension candidates. Maximal degree in co-relation 1016. Up to 159 conditions per place. [2022-11-16 12:22:30,580 INFO L137 encePairwiseOnDemand]: 216/221 looper letters, 40 selfloop transitions, 4 changer transitions 0/184 dead transitions. [2022-11-16 12:22:30,580 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 184 transitions, 532 flow [2022-11-16 12:22:30,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:22:30,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:22:30,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 550 transitions. [2022-11-16 12:22:30,583 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8295625942684767 [2022-11-16 12:22:30,583 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 550 transitions. [2022-11-16 12:22:30,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 550 transitions. [2022-11-16 12:22:30,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:22:30,583 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 550 transitions. [2022-11-16 12:22:30,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:30,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:30,587 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:30,587 INFO L175 Difference]: Start difference. First operand has 167 places, 167 transitions, 381 flow. Second operand 3 states and 550 transitions. [2022-11-16 12:22:30,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 184 transitions, 532 flow [2022-11-16 12:22:30,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 184 transitions, 526 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:22:30,592 INFO L231 Difference]: Finished difference. Result has 169 places, 169 transitions, 403 flow [2022-11-16 12:22:30,593 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=403, PETRI_PLACES=169, PETRI_TRANSITIONS=169} [2022-11-16 12:22:30,594 INFO L288 CegarLoopForPetriNet]: 200 programPoint places, -31 predicate places. [2022-11-16 12:22:30,594 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 169 transitions, 403 flow [2022-11-16 12:22:30,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:30,596 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:22:30,597 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:22:30,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 12:22:30,597 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2022-11-16 12:22:30,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:30,598 INFO L85 PathProgramCache]: Analyzing trace with hash -2055784484, now seen corresponding path program 1 times [2022-11-16 12:22:30,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:30,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989755275] [2022-11-16 12:22:30,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:30,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:30,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:22:30,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:22:30,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989755275] [2022-11-16 12:22:30,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989755275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:22:30,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:22:30,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:22:30,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326742806] [2022-11-16 12:22:30,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:22:30,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:22:30,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:22:30,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:22:30,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:22:30,678 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 221 [2022-11-16 12:22:30,679 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 169 transitions, 403 flow. Second operand has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:30,679 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:22:30,679 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 221 [2022-11-16 12:22:30,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:22:30,852 INFO L130 PetriNetUnfolder]: 112/601 cut-off events. [2022-11-16 12:22:30,852 INFO L131 PetriNetUnfolder]: For 216/620 co-relation queries the response was YES. [2022-11-16 12:22:30,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1097 conditions, 601 events. 112/601 cut-off events. For 216/620 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 3169 event pairs, 44 based on Foata normal form. 3/545 useless extension candidates. Maximal degree in co-relation 1029. Up to 209 conditions per place. [2022-11-16 12:22:30,857 INFO L137 encePairwiseOnDemand]: 218/221 looper letters, 34 selfloop transitions, 2 changer transitions 0/175 dead transitions. [2022-11-16 12:22:30,857 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 175 transitions, 504 flow [2022-11-16 12:22:30,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:22:30,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:22:30,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 541 transitions. [2022-11-16 12:22:30,860 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8159879336349924 [2022-11-16 12:22:30,860 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 541 transitions. [2022-11-16 12:22:30,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 541 transitions. [2022-11-16 12:22:30,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:22:30,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 541 transitions. [2022-11-16 12:22:30,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:30,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:30,864 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:30,865 INFO L175 Difference]: Start difference. First operand has 169 places, 169 transitions, 403 flow. Second operand 3 states and 541 transitions. [2022-11-16 12:22:30,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 175 transitions, 504 flow [2022-11-16 12:22:30,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 175 transitions, 494 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:22:30,879 INFO L231 Difference]: Finished difference. Result has 168 places, 168 transitions, 397 flow [2022-11-16 12:22:30,879 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=393, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=397, PETRI_PLACES=168, PETRI_TRANSITIONS=168} [2022-11-16 12:22:30,880 INFO L288 CegarLoopForPetriNet]: 200 programPoint places, -32 predicate places. [2022-11-16 12:22:30,880 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 168 transitions, 397 flow [2022-11-16 12:22:30,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:30,881 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:22:30,881 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:22:30,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 12:22:30,881 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2022-11-16 12:22:30,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:30,882 INFO L85 PathProgramCache]: Analyzing trace with hash 295648213, now seen corresponding path program 1 times [2022-11-16 12:22:30,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:30,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650735022] [2022-11-16 12:22:30,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:30,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:30,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:22:30,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:22:30,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650735022] [2022-11-16 12:22:30,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650735022] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:22:30,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:22:30,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:22:30,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410079414] [2022-11-16 12:22:30,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:22:30,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:22:30,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:22:30,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:22:30,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:22:30,953 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 221 [2022-11-16 12:22:30,953 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 168 transitions, 397 flow. Second operand has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:30,954 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:22:30,954 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 221 [2022-11-16 12:22:30,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:22:31,106 INFO L130 PetriNetUnfolder]: 113/622 cut-off events. [2022-11-16 12:22:31,106 INFO L131 PetriNetUnfolder]: For 155/436 co-relation queries the response was YES. [2022-11-16 12:22:31,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1101 conditions, 622 events. 113/622 cut-off events. For 155/436 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 3338 event pairs, 46 based on Foata normal form. 5/565 useless extension candidates. Maximal degree in co-relation 1033. Up to 241 conditions per place. [2022-11-16 12:22:31,111 INFO L137 encePairwiseOnDemand]: 216/221 looper letters, 33 selfloop transitions, 4 changer transitions 3/175 dead transitions. [2022-11-16 12:22:31,111 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 175 transitions, 506 flow [2022-11-16 12:22:31,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:22:31,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:22:31,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 537 transitions. [2022-11-16 12:22:31,113 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8099547511312217 [2022-11-16 12:22:31,113 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 537 transitions. [2022-11-16 12:22:31,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 537 transitions. [2022-11-16 12:22:31,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:22:31,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 537 transitions. [2022-11-16 12:22:31,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:31,117 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:31,117 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:31,117 INFO L175 Difference]: Start difference. First operand has 168 places, 168 transitions, 397 flow. Second operand 3 states and 537 transitions. [2022-11-16 12:22:31,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 175 transitions, 506 flow [2022-11-16 12:22:31,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 175 transitions, 500 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:22:31,122 INFO L231 Difference]: Finished difference. Result has 166 places, 163 transitions, 390 flow [2022-11-16 12:22:31,123 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=389, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=390, PETRI_PLACES=166, PETRI_TRANSITIONS=163} [2022-11-16 12:22:31,125 INFO L288 CegarLoopForPetriNet]: 200 programPoint places, -34 predicate places. [2022-11-16 12:22:31,125 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 163 transitions, 390 flow [2022-11-16 12:22:31,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:31,125 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:22:31,126 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:22:31,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 12:22:31,126 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2022-11-16 12:22:31,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:31,126 INFO L85 PathProgramCache]: Analyzing trace with hash -2116994215, now seen corresponding path program 1 times [2022-11-16 12:22:31,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:31,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837826117] [2022-11-16 12:22:31,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:31,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:31,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:22:31,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:22:31,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837826117] [2022-11-16 12:22:31,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837826117] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:22:31,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:22:31,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:22:31,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299998483] [2022-11-16 12:22:31,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:22:31,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:22:31,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:22:31,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:22:31,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:22:31,681 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 221 [2022-11-16 12:22:31,682 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 163 transitions, 390 flow. Second operand has 6 states, 6 states have (on average 161.83333333333334) internal successors, (971), 6 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:31,682 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:22:31,682 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 221 [2022-11-16 12:22:31,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:22:32,248 INFO L130 PetriNetUnfolder]: 1280/2543 cut-off events. [2022-11-16 12:22:32,249 INFO L131 PetriNetUnfolder]: For 1358/1358 co-relation queries the response was YES. [2022-11-16 12:22:32,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6093 conditions, 2543 events. 1280/2543 cut-off events. For 1358/1358 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 15167 event pairs, 149 based on Foata normal form. 0/2462 useless extension candidates. Maximal degree in co-relation 6025. Up to 1012 conditions per place. [2022-11-16 12:22:32,264 INFO L137 encePairwiseOnDemand]: 216/221 looper letters, 118 selfloop transitions, 4 changer transitions 1/246 dead transitions. [2022-11-16 12:22:32,264 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 246 transitions, 1010 flow [2022-11-16 12:22:32,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:22:32,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:22:32,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1034 transitions. [2022-11-16 12:22:32,267 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.779788838612368 [2022-11-16 12:22:32,267 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1034 transitions. [2022-11-16 12:22:32,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1034 transitions. [2022-11-16 12:22:32,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:22:32,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1034 transitions. [2022-11-16 12:22:32,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 172.33333333333334) internal successors, (1034), 6 states have internal predecessors, (1034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:32,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:32,273 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:32,274 INFO L175 Difference]: Start difference. First operand has 166 places, 163 transitions, 390 flow. Second operand 6 states and 1034 transitions. [2022-11-16 12:22:32,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 246 transitions, 1010 flow [2022-11-16 12:22:32,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 246 transitions, 978 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:22:32,280 INFO L231 Difference]: Finished difference. Result has 165 places, 161 transitions, 386 flow [2022-11-16 12:22:32,280 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=386, PETRI_PLACES=165, PETRI_TRANSITIONS=161} [2022-11-16 12:22:32,281 INFO L288 CegarLoopForPetriNet]: 200 programPoint places, -35 predicate places. [2022-11-16 12:22:32,281 INFO L495 AbstractCegarLoop]: Abstraction has has 165 places, 161 transitions, 386 flow [2022-11-16 12:22:32,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 161.83333333333334) internal successors, (971), 6 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:32,281 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:22:32,282 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:22:32,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 12:22:32,282 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2022-11-16 12:22:32,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:32,282 INFO L85 PathProgramCache]: Analyzing trace with hash 742322165, now seen corresponding path program 1 times [2022-11-16 12:22:32,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:32,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496487025] [2022-11-16 12:22:32,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:32,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:33,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:22:33,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:22:33,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496487025] [2022-11-16 12:22:33,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496487025] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:22:33,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:22:33,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:22:33,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507042896] [2022-11-16 12:22:33,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:22:33,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:22:33,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:22:33,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:22:33,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:22:33,039 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 221 [2022-11-16 12:22:33,041 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 161 transitions, 386 flow. Second operand has 6 states, 6 states have (on average 163.33333333333334) internal successors, (980), 6 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:33,041 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:22:33,041 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 221 [2022-11-16 12:22:33,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:22:33,556 INFO L130 PetriNetUnfolder]: 1089/2255 cut-off events. [2022-11-16 12:22:33,556 INFO L131 PetriNetUnfolder]: For 1212/1212 co-relation queries the response was YES. [2022-11-16 12:22:33,561 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5616 conditions, 2255 events. 1089/2255 cut-off events. For 1212/1212 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 13638 event pairs, 671 based on Foata normal form. 36/2235 useless extension candidates. Maximal degree in co-relation 5548. Up to 1578 conditions per place. [2022-11-16 12:22:33,563 INFO L137 encePairwiseOnDemand]: 216/221 looper letters, 0 selfloop transitions, 0 changer transitions 204/204 dead transitions. [2022-11-16 12:22:33,564 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 204 transitions, 714 flow [2022-11-16 12:22:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:22:33,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:22:33,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1016 transitions. [2022-11-16 12:22:33,566 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7662141779788839 [2022-11-16 12:22:33,567 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1016 transitions. [2022-11-16 12:22:33,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1016 transitions. [2022-11-16 12:22:33,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:22:33,568 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1016 transitions. [2022-11-16 12:22:33,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 169.33333333333334) internal successors, (1016), 6 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:33,572 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:33,573 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:33,573 INFO L175 Difference]: Start difference. First operand has 165 places, 161 transitions, 386 flow. Second operand 6 states and 1016 transitions. [2022-11-16 12:22:33,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 204 transitions, 714 flow [2022-11-16 12:22:33,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 204 transitions, 707 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:22:33,578 INFO L231 Difference]: Finished difference. Result has 164 places, 0 transitions, 0 flow [2022-11-16 12:22:33,578 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=377, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=164, PETRI_TRANSITIONS=0} [2022-11-16 12:22:33,579 INFO L288 CegarLoopForPetriNet]: 200 programPoint places, -36 predicate places. [2022-11-16 12:22:33,579 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 0 transitions, 0 flow [2022-11-16 12:22:33,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 163.33333333333334) internal successors, (980), 6 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:22:33,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (56 of 57 remaining) [2022-11-16 12:22:33,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (55 of 57 remaining) [2022-11-16 12:22:33,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (54 of 57 remaining) [2022-11-16 12:22:33,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (53 of 57 remaining) [2022-11-16 12:22:33,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (52 of 57 remaining) [2022-11-16 12:22:33,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (51 of 57 remaining) [2022-11-16 12:22:33,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (50 of 57 remaining) [2022-11-16 12:22:33,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (49 of 57 remaining) [2022-11-16 12:22:33,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (48 of 57 remaining) [2022-11-16 12:22:33,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (47 of 57 remaining) [2022-11-16 12:22:33,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (46 of 57 remaining) [2022-11-16 12:22:33,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (45 of 57 remaining) [2022-11-16 12:22:33,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (44 of 57 remaining) [2022-11-16 12:22:33,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (43 of 57 remaining) [2022-11-16 12:22:33,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (42 of 57 remaining) [2022-11-16 12:22:33,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (41 of 57 remaining) [2022-11-16 12:22:33,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (40 of 57 remaining) [2022-11-16 12:22:33,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (39 of 57 remaining) [2022-11-16 12:22:33,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (38 of 57 remaining) [2022-11-16 12:22:33,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (37 of 57 remaining) [2022-11-16 12:22:33,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (36 of 57 remaining) [2022-11-16 12:22:33,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (35 of 57 remaining) [2022-11-16 12:22:33,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (34 of 57 remaining) [2022-11-16 12:22:33,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (33 of 57 remaining) [2022-11-16 12:22:33,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (32 of 57 remaining) [2022-11-16 12:22:33,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (31 of 57 remaining) [2022-11-16 12:22:33,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (30 of 57 remaining) [2022-11-16 12:22:33,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (29 of 57 remaining) [2022-11-16 12:22:33,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (28 of 57 remaining) [2022-11-16 12:22:33,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (27 of 57 remaining) [2022-11-16 12:22:33,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (26 of 57 remaining) [2022-11-16 12:22:33,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (25 of 57 remaining) [2022-11-16 12:22:33,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (24 of 57 remaining) [2022-11-16 12:22:33,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (23 of 57 remaining) [2022-11-16 12:22:33,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (22 of 57 remaining) [2022-11-16 12:22:33,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 57 remaining) [2022-11-16 12:22:33,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 57 remaining) [2022-11-16 12:22:33,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (19 of 57 remaining) [2022-11-16 12:22:33,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (18 of 57 remaining) [2022-11-16 12:22:33,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (17 of 57 remaining) [2022-11-16 12:22:33,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (16 of 57 remaining) [2022-11-16 12:22:33,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 57 remaining) [2022-11-16 12:22:33,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 57 remaining) [2022-11-16 12:22:33,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (13 of 57 remaining) [2022-11-16 12:22:33,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (12 of 57 remaining) [2022-11-16 12:22:33,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (11 of 57 remaining) [2022-11-16 12:22:33,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (10 of 57 remaining) [2022-11-16 12:22:33,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (9 of 57 remaining) [2022-11-16 12:22:33,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 57 remaining) [2022-11-16 12:22:33,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 57 remaining) [2022-11-16 12:22:33,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (6 of 57 remaining) [2022-11-16 12:22:33,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (5 of 57 remaining) [2022-11-16 12:22:33,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 57 remaining) [2022-11-16 12:22:33,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (3 of 57 remaining) [2022-11-16 12:22:33,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (2 of 57 remaining) [2022-11-16 12:22:33,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (1 of 57 remaining) [2022-11-16 12:22:33,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (0 of 57 remaining) [2022-11-16 12:22:33,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 12:22:33,592 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:22:33,598 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 12:22:33,598 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:22:33,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:22:33 BasicIcfg [2022-11-16 12:22:33,603 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:22:33,604 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:22:33,604 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:22:33,604 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:22:33,604 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:22:27" (3/4) ... [2022-11-16 12:22:33,607 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:22:33,612 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 12:22:33,612 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 12:22:33,618 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 12:22:33,618 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 12:22:33,618 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:22:33,619 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:22:33,656 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91fcfc2d-5f14-40e0-9aec-4b2650be13f9/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:22:33,656 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:22:33,656 INFO L158 Benchmark]: Toolchain (without parser) took 7431.50ms. Allocated memory was 83.9MB in the beginning and 270.5MB in the end (delta: 186.6MB). Free memory was 47.1MB in the beginning and 169.0MB in the end (delta: -121.9MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2022-11-16 12:22:33,657 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:22:33,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.00ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 46.9MB in the beginning and 85.2MB in the end (delta: -38.3MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-11-16 12:22:33,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.44ms. Allocated memory is still 109.1MB. Free memory was 85.0MB in the beginning and 82.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:22:33,658 INFO L158 Benchmark]: Boogie Preprocessor took 30.62ms. Allocated memory is still 109.1MB. Free memory was 82.9MB in the beginning and 81.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:22:33,658 INFO L158 Benchmark]: RCFGBuilder took 984.35ms. Allocated memory is still 109.1MB. Free memory was 81.2MB in the beginning and 76.0MB in the end (delta: 5.1MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2022-11-16 12:22:33,658 INFO L158 Benchmark]: TraceAbstraction took 6009.57ms. Allocated memory was 109.1MB in the beginning and 270.5MB in the end (delta: 161.5MB). Free memory was 75.3MB in the beginning and 173.2MB in the end (delta: -97.8MB). Peak memory consumption was 166.0MB. Max. memory is 16.1GB. [2022-11-16 12:22:33,659 INFO L158 Benchmark]: Witness Printer took 52.22ms. Allocated memory is still 270.5MB. Free memory was 173.2MB in the beginning and 169.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 12:22:33,660 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.00ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 46.9MB in the beginning and 85.2MB in the end (delta: -38.3MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.44ms. Allocated memory is still 109.1MB. Free memory was 85.0MB in the beginning and 82.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.62ms. Allocated memory is still 109.1MB. Free memory was 82.9MB in the beginning and 81.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 984.35ms. Allocated memory is still 109.1MB. Free memory was 81.2MB in the beginning and 76.0MB in the end (delta: 5.1MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * TraceAbstraction took 6009.57ms. Allocated memory was 109.1MB in the beginning and 270.5MB in the end (delta: 161.5MB). Free memory was 75.3MB in the beginning and 173.2MB in the end (delta: -97.8MB). Peak memory consumption was 166.0MB. Max. memory is 16.1GB. * Witness Printer took 52.22ms. Allocated memory is still 270.5MB. Free memory was 173.2MB in the beginning and 169.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 254 locations, 57 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.8s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 162 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 162 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 680 IncrementalHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 78 mSDtfsCounter, 680 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=414occurred in iteration=0, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 987 NumberOfCodeBlocks, 987 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 973 ConstructedInterpolants, 0 QuantifiedInterpolants, 1159 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 35 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 12:22:33,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91fcfc2d-5f14-40e0-9aec-4b2650be13f9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE