./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-cond-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a 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_57f99b68-d169-4ff9-93d8-b43ae04f2cdd/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f99b68-d169-4ff9-93d8-b43ae04f2cdd/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f99b68-d169-4ff9-93d8-b43ae04f2cdd/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f99b68-d169-4ff9-93d8-b43ae04f2cdd/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-cond-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f99b68-d169-4ff9-93d8-b43ae04f2cdd/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f99b68-d169-4ff9-93d8-b43ae04f2cdd/bin/uautomizer-Dbtcem3rbc --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 99c42ba3d1f6c70520bbcf0a3136609166f98fb21063bda215f7779ff0bb27ca --- 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-5e519f3 [2022-11-02 20:42:40,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:42:40,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:42:40,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:42:40,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:42:40,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:42:40,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:42:40,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:42:40,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:42:40,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:42:40,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:42:40,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:42:40,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:42:40,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:42:40,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:42:40,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:42:40,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:42:40,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:42:40,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:42:40,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:42:40,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:42:40,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:42:40,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:42:40,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:42:40,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:42:40,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:42:40,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:42:40,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:42:40,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:42:40,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:42:40,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:42:40,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:42:40,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:42:40,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:42:40,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:42:40,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:42:40,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:42:40,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:42:40,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:42:40,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:42:40,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:42:40,873 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f99b68-d169-4ff9-93d8-b43ae04f2cdd/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 20:42:40,896 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:42:40,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:42:40,897 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:42:40,897 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:42:40,898 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:42:40,898 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:42:40,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:42:40,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:42:40,899 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:42:40,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:42:40,900 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:42:40,900 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:42:40,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:42:40,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:42:40,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:42:40,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:42:40,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:42:40,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:42:40,901 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 20:42:40,902 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:42:40,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:42:40,902 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:42:40,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:42:40,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:42:40,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:42:40,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:42:40,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:42:40,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:42:40,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:42:40,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:42:40,904 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:42:40,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:42:40,904 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:42:40,905 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:42:40,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:42:40,905 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_57f99b68-d169-4ff9-93d8-b43ae04f2cdd/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f99b68-d169-4ff9-93d8-b43ae04f2cdd/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99c42ba3d1f6c70520bbcf0a3136609166f98fb21063bda215f7779ff0bb27ca [2022-11-02 20:42:41,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:42:41,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:42:41,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:42:41,258 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:42:41,259 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:42:41,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f99b68-d169-4ff9-93d8-b43ae04f2cdd/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/weaver/unroll-cond-2.wvr.c [2022-11-02 20:42:41,349 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f99b68-d169-4ff9-93d8-b43ae04f2cdd/bin/uautomizer-Dbtcem3rbc/data/da428f7b1/6c439ae3a4e646f98e97bf19f204038b/FLAGeea3df1c0 [2022-11-02 20:42:41,912 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:42:41,912 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f99b68-d169-4ff9-93d8-b43ae04f2cdd/sv-benchmarks/c/weaver/unroll-cond-2.wvr.c [2022-11-02 20:42:41,923 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f99b68-d169-4ff9-93d8-b43ae04f2cdd/bin/uautomizer-Dbtcem3rbc/data/da428f7b1/6c439ae3a4e646f98e97bf19f204038b/FLAGeea3df1c0 [2022-11-02 20:42:42,255 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f99b68-d169-4ff9-93d8-b43ae04f2cdd/bin/uautomizer-Dbtcem3rbc/data/da428f7b1/6c439ae3a4e646f98e97bf19f204038b [2022-11-02 20:42:42,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:42:42,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:42:42,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:42:42,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:42:42,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:42:42,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:42:42" (1/1) ... [2022-11-02 20:42:42,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@206f92a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:42, skipping insertion in model container [2022-11-02 20:42:42,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:42:42" (1/1) ... [2022-11-02 20:42:42,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:42:42,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:42:42,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f99b68-d169-4ff9-93d8-b43ae04f2cdd/sv-benchmarks/c/weaver/unroll-cond-2.wvr.c[2474,2487] [2022-11-02 20:42:42,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:42:42,541 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:42:42,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f99b68-d169-4ff9-93d8-b43ae04f2cdd/sv-benchmarks/c/weaver/unroll-cond-2.wvr.c[2474,2487] [2022-11-02 20:42:42,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:42:42,589 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:42:42,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:42 WrapperNode [2022-11-02 20:42:42,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:42:42,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:42:42,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:42:42,592 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:42:42,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:42" (1/1) ... [2022-11-02 20:42:42,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:42" (1/1) ... [2022-11-02 20:42:42,664 INFO L138 Inliner]: procedures = 24, calls = 33, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 276 [2022-11-02 20:42:42,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:42:42,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:42:42,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:42:42,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:42:42,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:42" (1/1) ... [2022-11-02 20:42:42,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:42" (1/1) ... [2022-11-02 20:42:42,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:42" (1/1) ... [2022-11-02 20:42:42,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:42" (1/1) ... [2022-11-02 20:42:42,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:42" (1/1) ... [2022-11-02 20:42:42,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:42" (1/1) ... [2022-11-02 20:42:42,724 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:42" (1/1) ... [2022-11-02 20:42:42,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:42" (1/1) ... [2022-11-02 20:42:42,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:42:42,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:42:42,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:42:42,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:42:42,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:42" (1/1) ... [2022-11-02 20:42:42,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:42:42,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f99b68-d169-4ff9-93d8-b43ae04f2cdd/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:42:42,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f99b68-d169-4ff9-93d8-b43ae04f2cdd/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:42:42,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f99b68-d169-4ff9-93d8-b43ae04f2cdd/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:42:42,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:42:42,821 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-02 20:42:42,821 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-02 20:42:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-02 20:42:42,822 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-02 20:42:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:42:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:42:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:42:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:42:42,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:42:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:42:42,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:42:42,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:42:42,827 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:42:42,936 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:42:42,939 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:42:43,656 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:42:43,667 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:42:43,682 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-02 20:42:43,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:42:43 BoogieIcfgContainer [2022-11-02 20:42:43,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:42:43,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:42:43,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:42:43,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:42:43,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:42:42" (1/3) ... [2022-11-02 20:42:43,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@676f853b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:42:43, skipping insertion in model container [2022-11-02 20:42:43,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:42" (2/3) ... [2022-11-02 20:42:43,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@676f853b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:42:43, skipping insertion in model container [2022-11-02 20:42:43,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:42:43" (3/3) ... [2022-11-02 20:42:43,701 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-2.wvr.c [2022-11-02 20:42:43,713 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:42:43,724 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:42:43,724 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2022-11-02 20:42:43,725 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:42:43,913 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-02 20:42:43,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 346 places, 358 transitions, 732 flow [2022-11-02 20:42:44,214 INFO L130 PetriNetUnfolder]: 19/356 cut-off events. [2022-11-02 20:42:44,214 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-02 20:42:44,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 365 conditions, 356 events. 19/356 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 800 event pairs, 0 based on Foata normal form. 0/296 useless extension candidates. Maximal degree in co-relation 222. Up to 2 conditions per place. [2022-11-02 20:42:44,226 INFO L82 GeneralOperation]: Start removeDead. Operand has 346 places, 358 transitions, 732 flow [2022-11-02 20:42:44,240 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 327 places, 338 transitions, 688 flow [2022-11-02 20:42:44,250 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:42:44,257 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;@7f7fd66c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:42:44,257 INFO L358 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2022-11-02 20:42:44,263 INFO L130 PetriNetUnfolder]: 0/23 cut-off events. [2022-11-02 20:42:44,263 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:42:44,263 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:42:44,264 INFO L208 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] [2022-11-02 20:42:44,264 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-02 20:42:44,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:44,270 INFO L85 PathProgramCache]: Analyzing trace with hash -332554685, now seen corresponding path program 1 times [2022-11-02 20:42:44,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:44,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299537480] [2022-11-02 20:42:44,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:44,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:44,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:42:44,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:42:44,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299537480] [2022-11-02 20:42:44,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299537480] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:42:44,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:42:44,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:42:44,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009986876] [2022-11-02 20:42:44,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:42:44,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:42:44,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:42:44,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:42:44,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:42:44,577 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 358 [2022-11-02 20:42:44,582 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 338 transitions, 688 flow. Second operand has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:44,583 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:42:44,583 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 358 [2022-11-02 20:42:44,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:42:44,905 INFO L130 PetriNetUnfolder]: 64/1048 cut-off events. [2022-11-02 20:42:44,906 INFO L131 PetriNetUnfolder]: For 53/101 co-relation queries the response was YES. [2022-11-02 20:42:44,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1153 conditions, 1048 events. 64/1048 cut-off events. For 53/101 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 6171 event pairs, 27 based on Foata normal form. 22/852 useless extension candidates. Maximal degree in co-relation 958. Up to 82 conditions per place. [2022-11-02 20:42:44,919 INFO L137 encePairwiseOnDemand]: 345/358 looper letters, 16 selfloop transitions, 2 changer transitions 3/327 dead transitions. [2022-11-02 20:42:44,919 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 327 transitions, 702 flow [2022-11-02 20:42:44,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:42:44,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:42:44,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1010 transitions. [2022-11-02 20:42:44,945 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9404096834264432 [2022-11-02 20:42:44,946 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1010 transitions. [2022-11-02 20:42:44,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1010 transitions. [2022-11-02 20:42:44,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:42:44,954 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1010 transitions. [2022-11-02 20:42:44,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 336.6666666666667) internal successors, (1010), 3 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:44,972 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:44,974 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:44,976 INFO L175 Difference]: Start difference. First operand has 327 places, 338 transitions, 688 flow. Second operand 3 states and 1010 transitions. [2022-11-02 20:42:44,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 327 transitions, 702 flow [2022-11-02 20:42:44,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 327 transitions, 694 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:42:44,999 INFO L231 Difference]: Finished difference. Result has 324 places, 324 transitions, 656 flow [2022-11-02 20:42:45,002 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=656, PETRI_PLACES=324, PETRI_TRANSITIONS=324} [2022-11-02 20:42:45,008 INFO L287 CegarLoopForPetriNet]: 327 programPoint places, -3 predicate places. [2022-11-02 20:42:45,009 INFO L495 AbstractCegarLoop]: Abstraction has has 324 places, 324 transitions, 656 flow [2022-11-02 20:42:45,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:45,010 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:42:45,010 INFO L208 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] [2022-11-02 20:42:45,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:42:45,011 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-02 20:42:45,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:45,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1953276396, now seen corresponding path program 1 times [2022-11-02 20:42:45,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:45,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269907224] [2022-11-02 20:42:45,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:45,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:45,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:42:45,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:42:45,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269907224] [2022-11-02 20:42:45,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269907224] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:42:45,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:42:45,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:42:45,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172951646] [2022-11-02 20:42:45,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:42:45,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:42:45,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:42:45,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:42:45,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:42:45,117 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 358 [2022-11-02 20:42:45,119 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 324 transitions, 656 flow. Second operand has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:45,119 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:42:45,120 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 358 [2022-11-02 20:42:45,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:42:45,417 INFO L130 PetriNetUnfolder]: 98/1197 cut-off events. [2022-11-02 20:42:45,418 INFO L131 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2022-11-02 20:42:45,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1342 conditions, 1197 events. 98/1197 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 6848 event pairs, 39 based on Foata normal form. 0/949 useless extension candidates. Maximal degree in co-relation 1311. Up to 134 conditions per place. [2022-11-02 20:42:45,433 INFO L137 encePairwiseOnDemand]: 355/358 looper letters, 25 selfloop transitions, 2 changer transitions 0/323 dead transitions. [2022-11-02 20:42:45,433 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 323 transitions, 708 flow [2022-11-02 20:42:45,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:42:45,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:42:45,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 982 transitions. [2022-11-02 20:42:45,437 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9143389199255121 [2022-11-02 20:42:45,437 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 982 transitions. [2022-11-02 20:42:45,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 982 transitions. [2022-11-02 20:42:45,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:42:45,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 982 transitions. [2022-11-02 20:42:45,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:45,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:45,444 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:45,444 INFO L175 Difference]: Start difference. First operand has 324 places, 324 transitions, 656 flow. Second operand 3 states and 982 transitions. [2022-11-02 20:42:45,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 323 transitions, 708 flow [2022-11-02 20:42:45,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 323 transitions, 704 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:42:45,454 INFO L231 Difference]: Finished difference. Result has 320 places, 323 transitions, 654 flow [2022-11-02 20:42:45,456 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=654, PETRI_PLACES=320, PETRI_TRANSITIONS=323} [2022-11-02 20:42:45,457 INFO L287 CegarLoopForPetriNet]: 327 programPoint places, -7 predicate places. [2022-11-02 20:42:45,457 INFO L495 AbstractCegarLoop]: Abstraction has has 320 places, 323 transitions, 654 flow [2022-11-02 20:42:45,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:45,458 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:42:45,459 INFO L208 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] [2022-11-02 20:42:45,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:42:45,459 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-02 20:42:45,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:45,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1234565099, now seen corresponding path program 1 times [2022-11-02 20:42:45,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:45,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838987142] [2022-11-02 20:42:45,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:45,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:45,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:42:45,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:42:45,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838987142] [2022-11-02 20:42:45,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838987142] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:42:45,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:42:45,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:42:45,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071987540] [2022-11-02 20:42:45,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:42:45,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:42:45,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:42:45,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:42:45,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:42:45,551 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 358 [2022-11-02 20:42:45,553 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 323 transitions, 654 flow. Second operand has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:45,553 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:42:45,553 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 358 [2022-11-02 20:42:45,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:42:45,783 INFO L130 PetriNetUnfolder]: 66/1009 cut-off events. [2022-11-02 20:42:45,783 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2022-11-02 20:42:45,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1097 conditions, 1009 events. 66/1009 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 5282 event pairs, 20 based on Foata normal form. 0/826 useless extension candidates. Maximal degree in co-relation 1058. Up to 77 conditions per place. [2022-11-02 20:42:45,798 INFO L137 encePairwiseOnDemand]: 351/358 looper letters, 17 selfloop transitions, 1 changer transitions 0/317 dead transitions. [2022-11-02 20:42:45,798 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 317 transitions, 678 flow [2022-11-02 20:42:45,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:42:45,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:42:45,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 987 transitions. [2022-11-02 20:42:45,802 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9189944134078212 [2022-11-02 20:42:45,803 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 987 transitions. [2022-11-02 20:42:45,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 987 transitions. [2022-11-02 20:42:45,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:42:45,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 987 transitions. [2022-11-02 20:42:45,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 329.0) internal successors, (987), 3 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:45,810 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:45,811 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:45,811 INFO L175 Difference]: Start difference. First operand has 320 places, 323 transitions, 654 flow. Second operand 3 states and 987 transitions. [2022-11-02 20:42:45,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 317 transitions, 678 flow [2022-11-02 20:42:45,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 317 transitions, 674 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:42:45,818 INFO L231 Difference]: Finished difference. Result has 314 places, 317 transitions, 640 flow [2022-11-02 20:42:45,819 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=640, PETRI_PLACES=314, PETRI_TRANSITIONS=317} [2022-11-02 20:42:45,821 INFO L287 CegarLoopForPetriNet]: 327 programPoint places, -13 predicate places. [2022-11-02 20:42:45,821 INFO L495 AbstractCegarLoop]: Abstraction has has 314 places, 317 transitions, 640 flow [2022-11-02 20:42:45,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:45,822 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:42:45,822 INFO L208 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] [2022-11-02 20:42:45,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:42:45,823 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-02 20:42:45,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:45,824 INFO L85 PathProgramCache]: Analyzing trace with hash 658416831, now seen corresponding path program 1 times [2022-11-02 20:42:45,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:45,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175176832] [2022-11-02 20:42:45,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:45,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:45,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:42:45,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:42:45,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175176832] [2022-11-02 20:42:45,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175176832] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:42:45,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:42:45,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:42:45,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780083381] [2022-11-02 20:42:45,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:42:45,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:42:45,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:42:45,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:42:45,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:42:45,975 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 358 [2022-11-02 20:42:45,976 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 317 transitions, 640 flow. Second operand has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:45,976 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:42:45,977 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 358 [2022-11-02 20:42:45,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:42:46,193 INFO L130 PetriNetUnfolder]: 94/1116 cut-off events. [2022-11-02 20:42:46,194 INFO L131 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2022-11-02 20:42:46,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1251 conditions, 1116 events. 94/1116 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 6164 event pairs, 39 based on Foata normal form. 0/905 useless extension candidates. Maximal degree in co-relation 1213. Up to 125 conditions per place. [2022-11-02 20:42:46,207 INFO L137 encePairwiseOnDemand]: 355/358 looper letters, 19 selfloop transitions, 2 changer transitions 0/316 dead transitions. [2022-11-02 20:42:46,207 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 316 transitions, 680 flow [2022-11-02 20:42:46,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:42:46,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:42:46,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 994 transitions. [2022-11-02 20:42:46,210 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.925512104283054 [2022-11-02 20:42:46,211 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 994 transitions. [2022-11-02 20:42:46,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 994 transitions. [2022-11-02 20:42:46,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:42:46,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 994 transitions. [2022-11-02 20:42:46,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 331.3333333333333) internal successors, (994), 3 states have internal predecessors, (994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:46,217 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:46,218 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:46,218 INFO L175 Difference]: Start difference. First operand has 314 places, 317 transitions, 640 flow. Second operand 3 states and 994 transitions. [2022-11-02 20:42:46,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 316 transitions, 680 flow [2022-11-02 20:42:46,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 316 transitions, 679 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:42:46,225 INFO L231 Difference]: Finished difference. Result has 314 places, 316 transitions, 641 flow [2022-11-02 20:42:46,226 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=637, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=641, PETRI_PLACES=314, PETRI_TRANSITIONS=316} [2022-11-02 20:42:46,226 INFO L287 CegarLoopForPetriNet]: 327 programPoint places, -13 predicate places. [2022-11-02 20:42:46,227 INFO L495 AbstractCegarLoop]: Abstraction has has 314 places, 316 transitions, 641 flow [2022-11-02 20:42:46,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:46,228 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:42:46,228 INFO L208 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] [2022-11-02 20:42:46,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:42:46,229 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-02 20:42:46,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:46,229 INFO L85 PathProgramCache]: Analyzing trace with hash -704799640, now seen corresponding path program 1 times [2022-11-02 20:42:46,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:46,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261013518] [2022-11-02 20:42:46,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:46,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:46,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:42:46,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:42:46,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261013518] [2022-11-02 20:42:46,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261013518] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:42:46,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:42:46,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:42:46,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237460677] [2022-11-02 20:42:46,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:42:46,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:42:46,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:42:46,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:42:46,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:42:46,827 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 358 [2022-11-02 20:42:46,830 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 316 transitions, 641 flow. Second operand has 6 states, 6 states have (on average 290.8333333333333) internal successors, (1745), 6 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:46,830 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:42:46,830 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 358 [2022-11-02 20:42:46,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:42:49,079 INFO L130 PetriNetUnfolder]: 2191/10985 cut-off events. [2022-11-02 20:42:49,079 INFO L131 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2022-11-02 20:42:49,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14028 conditions, 10985 events. 2191/10985 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 117625 event pairs, 1680 based on Foata normal form. 0/8735 useless extension candidates. Maximal degree in co-relation 13991. Up to 3025 conditions per place. [2022-11-02 20:42:49,188 INFO L137 encePairwiseOnDemand]: 352/358 looper letters, 51 selfloop transitions, 5 changer transitions 0/315 dead transitions. [2022-11-02 20:42:49,189 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 315 transitions, 751 flow [2022-11-02 20:42:49,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:42:49,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:42:49,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1791 transitions. [2022-11-02 20:42:49,193 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8337988826815642 [2022-11-02 20:42:49,193 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1791 transitions. [2022-11-02 20:42:49,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1791 transitions. [2022-11-02 20:42:49,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:42:49,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1791 transitions. [2022-11-02 20:42:49,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 298.5) internal successors, (1791), 6 states have internal predecessors, (1791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:49,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 358.0) internal successors, (2506), 7 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:49,205 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 358.0) internal successors, (2506), 7 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:49,206 INFO L175 Difference]: Start difference. First operand has 314 places, 316 transitions, 641 flow. Second operand 6 states and 1791 transitions. [2022-11-02 20:42:49,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 315 transitions, 751 flow [2022-11-02 20:42:49,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 315 transitions, 747 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:42:49,259 INFO L231 Difference]: Finished difference. Result has 316 places, 315 transitions, 645 flow [2022-11-02 20:42:49,260 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=645, PETRI_PLACES=316, PETRI_TRANSITIONS=315} [2022-11-02 20:42:49,261 INFO L287 CegarLoopForPetriNet]: 327 programPoint places, -11 predicate places. [2022-11-02 20:42:49,261 INFO L495 AbstractCegarLoop]: Abstraction has has 316 places, 315 transitions, 645 flow [2022-11-02 20:42:49,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 290.8333333333333) internal successors, (1745), 6 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:49,262 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:42:49,263 INFO L208 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] [2022-11-02 20:42:49,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:42:49,263 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-02 20:42:49,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:49,264 INFO L85 PathProgramCache]: Analyzing trace with hash -58878757, now seen corresponding path program 1 times [2022-11-02 20:42:49,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:49,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535382005] [2022-11-02 20:42:49,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:49,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:49,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:42:49,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:42:49,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535382005] [2022-11-02 20:42:49,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535382005] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:42:49,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:42:49,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:42:49,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851152656] [2022-11-02 20:42:49,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:42:49,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:42:49,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:42:49,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:42:49,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:42:49,342 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 358 [2022-11-02 20:42:49,344 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 315 transitions, 645 flow. Second operand has 3 states, 3 states have (on average 331.6666666666667) internal successors, (995), 3 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:49,344 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:42:49,344 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 358 [2022-11-02 20:42:49,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:42:49,475 INFO L130 PetriNetUnfolder]: 43/802 cut-off events. [2022-11-02 20:42:49,475 INFO L131 PetriNetUnfolder]: For 6/16 co-relation queries the response was YES. [2022-11-02 20:42:49,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 865 conditions, 802 events. 43/802 cut-off events. For 6/16 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4038 event pairs, 8 based on Foata normal form. 1/669 useless extension candidates. Maximal degree in co-relation 847. Up to 46 conditions per place. [2022-11-02 20:42:49,489 INFO L137 encePairwiseOnDemand]: 353/358 looper letters, 13 selfloop transitions, 2 changer transitions 0/315 dead transitions. [2022-11-02 20:42:49,490 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 315 transitions, 676 flow [2022-11-02 20:42:49,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:42:49,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:42:49,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1008 transitions. [2022-11-02 20:42:49,493 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9385474860335196 [2022-11-02 20:42:49,493 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1008 transitions. [2022-11-02 20:42:49,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1008 transitions. [2022-11-02 20:42:49,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:42:49,494 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1008 transitions. [2022-11-02 20:42:49,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:49,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:49,500 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:49,500 INFO L175 Difference]: Start difference. First operand has 316 places, 315 transitions, 645 flow. Second operand 3 states and 1008 transitions. [2022-11-02 20:42:49,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 315 transitions, 676 flow [2022-11-02 20:42:49,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 315 transitions, 666 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-02 20:42:49,506 INFO L231 Difference]: Finished difference. Result has 311 places, 314 transitions, 643 flow [2022-11-02 20:42:49,507 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=629, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=643, PETRI_PLACES=311, PETRI_TRANSITIONS=314} [2022-11-02 20:42:49,508 INFO L287 CegarLoopForPetriNet]: 327 programPoint places, -16 predicate places. [2022-11-02 20:42:49,508 INFO L495 AbstractCegarLoop]: Abstraction has has 311 places, 314 transitions, 643 flow [2022-11-02 20:42:49,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 331.6666666666667) internal successors, (995), 3 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:49,509 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:42:49,509 INFO L208 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] [2022-11-02 20:42:49,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:42:49,509 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-02 20:42:49,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:49,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1709566809, now seen corresponding path program 1 times [2022-11-02 20:42:49,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:49,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203007779] [2022-11-02 20:42:49,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:49,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:49,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:42:49,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:42:49,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203007779] [2022-11-02 20:42:49,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203007779] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:42:49,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:42:49,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:42:49,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723965647] [2022-11-02 20:42:49,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:42:49,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:42:49,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:42:49,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:42:49,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:42:49,556 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 358 [2022-11-02 20:42:49,558 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 314 transitions, 643 flow. Second operand has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:49,558 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:42:49,558 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 358 [2022-11-02 20:42:49,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:42:49,646 INFO L130 PetriNetUnfolder]: 28/510 cut-off events. [2022-11-02 20:42:49,647 INFO L131 PetriNetUnfolder]: For 3/5 co-relation queries the response was YES. [2022-11-02 20:42:49,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 572 conditions, 510 events. 28/510 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1930 event pairs, 3 based on Foata normal form. 1/443 useless extension candidates. Maximal degree in co-relation 535. Up to 21 conditions per place. [2022-11-02 20:42:49,652 INFO L137 encePairwiseOnDemand]: 351/358 looper letters, 13 selfloop transitions, 3 changer transitions 0/311 dead transitions. [2022-11-02 20:42:49,653 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 311 transitions, 670 flow [2022-11-02 20:42:49,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:42:49,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:42:49,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1001 transitions. [2022-11-02 20:42:49,655 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9320297951582868 [2022-11-02 20:42:49,656 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1001 transitions. [2022-11-02 20:42:49,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1001 transitions. [2022-11-02 20:42:49,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:42:49,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1001 transitions. [2022-11-02 20:42:49,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 333.6666666666667) internal successors, (1001), 3 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:49,661 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:49,661 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:49,662 INFO L175 Difference]: Start difference. First operand has 311 places, 314 transitions, 643 flow. Second operand 3 states and 1001 transitions. [2022-11-02 20:42:49,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 311 transitions, 670 flow [2022-11-02 20:42:49,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 311 transitions, 670 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 20:42:49,668 INFO L231 Difference]: Finished difference. Result has 309 places, 310 transitions, 641 flow [2022-11-02 20:42:49,668 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=641, PETRI_PLACES=309, PETRI_TRANSITIONS=310} [2022-11-02 20:42:49,669 INFO L287 CegarLoopForPetriNet]: 327 programPoint places, -18 predicate places. [2022-11-02 20:42:49,669 INFO L495 AbstractCegarLoop]: Abstraction has has 309 places, 310 transitions, 641 flow [2022-11-02 20:42:49,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:49,670 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:42:49,670 INFO L208 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] [2022-11-02 20:42:49,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:42:49,671 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-02 20:42:49,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:49,671 INFO L85 PathProgramCache]: Analyzing trace with hash 486235261, now seen corresponding path program 1 times [2022-11-02 20:42:49,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:49,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023636149] [2022-11-02 20:42:49,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:49,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:49,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:42:49,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:42:49,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023636149] [2022-11-02 20:42:49,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023636149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:42:49,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:42:49,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:42:49,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34839445] [2022-11-02 20:42:49,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:42:49,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:42:49,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:42:49,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:42:49,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:42:49,736 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 358 [2022-11-02 20:42:49,738 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 310 transitions, 641 flow. Second operand has 3 states, 3 states have (on average 304.3333333333333) internal successors, (913), 3 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:49,738 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:42:49,738 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 358 [2022-11-02 20:42:49,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:42:49,883 INFO L130 PetriNetUnfolder]: 49/593 cut-off events. [2022-11-02 20:42:49,884 INFO L131 PetriNetUnfolder]: For 30/34 co-relation queries the response was YES. [2022-11-02 20:42:49,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 730 conditions, 593 events. 49/593 cut-off events. For 30/34 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2760 event pairs, 9 based on Foata normal form. 2/533 useless extension candidates. Maximal degree in co-relation 692. Up to 75 conditions per place. [2022-11-02 20:42:49,889 INFO L137 encePairwiseOnDemand]: 341/358 looper letters, 25 selfloop transitions, 6 changer transitions 5/301 dead transitions. [2022-11-02 20:42:49,890 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 301 transitions, 690 flow [2022-11-02 20:42:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:42:49,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:42:49,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions. [2022-11-02 20:42:49,893 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8864059590316573 [2022-11-02 20:42:49,893 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 952 transitions. [2022-11-02 20:42:49,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 952 transitions. [2022-11-02 20:42:49,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:42:49,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 952 transitions. [2022-11-02 20:42:49,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:49,898 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:49,900 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:49,900 INFO L175 Difference]: Start difference. First operand has 309 places, 310 transitions, 641 flow. Second operand 3 states and 952 transitions. [2022-11-02 20:42:49,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 301 transitions, 690 flow [2022-11-02 20:42:49,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 301 transitions, 684 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:42:49,907 INFO L231 Difference]: Finished difference. Result has 299 places, 295 transitions, 616 flow [2022-11-02 20:42:49,907 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=615, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=299, PETRI_TRANSITIONS=295} [2022-11-02 20:42:49,911 INFO L287 CegarLoopForPetriNet]: 327 programPoint places, -28 predicate places. [2022-11-02 20:42:49,911 INFO L495 AbstractCegarLoop]: Abstraction has has 299 places, 295 transitions, 616 flow [2022-11-02 20:42:49,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 304.3333333333333) internal successors, (913), 3 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:49,912 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:42:49,912 INFO L208 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] [2022-11-02 20:42:49,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:42:49,913 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-02 20:42:49,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:49,913 INFO L85 PathProgramCache]: Analyzing trace with hash -662277903, now seen corresponding path program 1 times [2022-11-02 20:42:49,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:49,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026160358] [2022-11-02 20:42:49,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:49,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:50,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:42:50,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:42:50,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026160358] [2022-11-02 20:42:50,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026160358] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:42:50,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:42:50,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:42:50,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829953980] [2022-11-02 20:42:50,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:42:50,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:42:50,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:42:50,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:42:50,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:42:50,375 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 358 [2022-11-02 20:42:50,377 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 295 transitions, 616 flow. Second operand has 6 states, 6 states have (on average 295.8333333333333) internal successors, (1775), 6 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:50,378 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:42:50,378 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 358 [2022-11-02 20:42:50,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:42:52,272 INFO L130 PetriNetUnfolder]: 2122/8247 cut-off events. [2022-11-02 20:42:52,272 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2022-11-02 20:42:52,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11705 conditions, 8247 events. 2122/8247 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 78250 event pairs, 868 based on Foata normal form. 0/7209 useless extension candidates. Maximal degree in co-relation 11665. Up to 1126 conditions per place. [2022-11-02 20:42:52,330 INFO L137 encePairwiseOnDemand]: 353/358 looper letters, 139 selfloop transitions, 4 changer transitions 0/390 dead transitions. [2022-11-02 20:42:52,330 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 390 transitions, 1092 flow [2022-11-02 20:42:52,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:42:52,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:42:52,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1908 transitions. [2022-11-02 20:42:52,335 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.888268156424581 [2022-11-02 20:42:52,335 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1908 transitions. [2022-11-02 20:42:52,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1908 transitions. [2022-11-02 20:42:52,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:42:52,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1908 transitions. [2022-11-02 20:42:52,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:52,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 358.0) internal successors, (2506), 7 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:52,345 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 358.0) internal successors, (2506), 7 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:52,346 INFO L175 Difference]: Start difference. First operand has 299 places, 295 transitions, 616 flow. Second operand 6 states and 1908 transitions. [2022-11-02 20:42:52,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 390 transitions, 1092 flow [2022-11-02 20:42:52,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 390 transitions, 1080 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:42:52,360 INFO L231 Difference]: Finished difference. Result has 296 places, 294 transitions, 610 flow [2022-11-02 20:42:52,361 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=610, PETRI_PLACES=296, PETRI_TRANSITIONS=294} [2022-11-02 20:42:52,362 INFO L287 CegarLoopForPetriNet]: 327 programPoint places, -31 predicate places. [2022-11-02 20:42:52,362 INFO L495 AbstractCegarLoop]: Abstraction has has 296 places, 294 transitions, 610 flow [2022-11-02 20:42:52,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 295.8333333333333) internal successors, (1775), 6 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:52,363 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:42:52,363 INFO L208 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] [2022-11-02 20:42:52,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 20:42:52,364 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-02 20:42:52,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:52,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1054389337, now seen corresponding path program 1 times [2022-11-02 20:42:52,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:52,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168388590] [2022-11-02 20:42:52,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:52,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:52,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:42:52,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:42:52,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168388590] [2022-11-02 20:42:52,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168388590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:42:52,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:42:52,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:42:52,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303861384] [2022-11-02 20:42:52,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:42:52,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:42:52,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:42:52,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:42:52,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:42:52,416 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 358 [2022-11-02 20:42:52,417 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 294 transitions, 610 flow. Second operand has 3 states, 3 states have (on average 328.6666666666667) internal successors, (986), 3 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:52,418 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:42:52,418 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 358 [2022-11-02 20:42:52,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:42:52,574 INFO L130 PetriNetUnfolder]: 69/1045 cut-off events. [2022-11-02 20:42:52,574 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-02 20:42:52,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1151 conditions, 1045 events. 69/1045 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 5567 event pairs, 7 based on Foata normal form. 0/935 useless extension candidates. Maximal degree in co-relation 1113. Up to 69 conditions per place. [2022-11-02 20:42:52,583 INFO L137 encePairwiseOnDemand]: 351/358 looper letters, 15 selfloop transitions, 3 changer transitions 0/295 dead transitions. [2022-11-02 20:42:52,583 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 295 transitions, 650 flow [2022-11-02 20:42:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:42:52,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:42:52,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1003 transitions. [2022-11-02 20:42:52,587 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9338919925512105 [2022-11-02 20:42:52,587 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1003 transitions. [2022-11-02 20:42:52,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1003 transitions. [2022-11-02 20:42:52,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:42:52,588 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1003 transitions. [2022-11-02 20:42:52,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 334.3333333333333) internal successors, (1003), 3 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:52,608 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:52,609 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:52,609 INFO L175 Difference]: Start difference. First operand has 296 places, 294 transitions, 610 flow. Second operand 3 states and 1003 transitions. [2022-11-02 20:42:52,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 295 transitions, 650 flow [2022-11-02 20:42:52,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 295 transitions, 643 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:42:52,615 INFO L231 Difference]: Finished difference. Result has 291 places, 293 transitions, 616 flow [2022-11-02 20:42:52,616 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=595, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=291, PETRI_TRANSITIONS=293} [2022-11-02 20:42:52,617 INFO L287 CegarLoopForPetriNet]: 327 programPoint places, -36 predicate places. [2022-11-02 20:42:52,617 INFO L495 AbstractCegarLoop]: Abstraction has has 291 places, 293 transitions, 616 flow [2022-11-02 20:42:52,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.6666666666667) internal successors, (986), 3 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:52,618 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:42:52,618 INFO L208 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] [2022-11-02 20:42:52,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 20:42:52,618 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-02 20:42:52,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:52,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1001733453, now seen corresponding path program 1 times [2022-11-02 20:42:52,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:52,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274301209] [2022-11-02 20:42:52,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:52,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:52,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:42:52,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:42:52,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274301209] [2022-11-02 20:42:52,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274301209] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:42:52,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:42:52,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:42:52,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631708803] [2022-11-02 20:42:52,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:42:52,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:42:52,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:42:52,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:42:52,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:42:52,768 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 358 [2022-11-02 20:42:52,770 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 293 transitions, 616 flow. Second operand has 4 states, 4 states have (on average 329.0) internal successors, (1316), 4 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:52,770 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:42:52,770 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 358 [2022-11-02 20:42:52,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:42:53,067 INFO L130 PetriNetUnfolder]: 95/1638 cut-off events. [2022-11-02 20:42:53,067 INFO L131 PetriNetUnfolder]: For 2/4 co-relation queries the response was YES. [2022-11-02 20:42:53,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1847 conditions, 1638 events. 95/1638 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 10610 event pairs, 13 based on Foata normal form. 1/1472 useless extension candidates. Maximal degree in co-relation 1808. Up to 58 conditions per place. [2022-11-02 20:42:53,080 INFO L137 encePairwiseOnDemand]: 352/358 looper letters, 29 selfloop transitions, 6 changer transitions 0/310 dead transitions. [2022-11-02 20:42:53,080 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 310 transitions, 724 flow [2022-11-02 20:42:53,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:42:53,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-02 20:42:53,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1666 transitions. [2022-11-02 20:42:53,084 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9307262569832402 [2022-11-02 20:42:53,084 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1666 transitions. [2022-11-02 20:42:53,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1666 transitions. [2022-11-02 20:42:53,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:42:53,086 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1666 transitions. [2022-11-02 20:42:53,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 333.2) internal successors, (1666), 5 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:53,092 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 358.0) internal successors, (2148), 6 states have internal predecessors, (2148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:53,093 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 358.0) internal successors, (2148), 6 states have internal predecessors, (2148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:53,093 INFO L175 Difference]: Start difference. First operand has 291 places, 293 transitions, 616 flow. Second operand 5 states and 1666 transitions. [2022-11-02 20:42:53,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 310 transitions, 724 flow [2022-11-02 20:42:53,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 310 transitions, 724 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 20:42:53,099 INFO L231 Difference]: Finished difference. Result has 298 places, 297 transitions, 654 flow [2022-11-02 20:42:53,099 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=654, PETRI_PLACES=298, PETRI_TRANSITIONS=297} [2022-11-02 20:42:53,100 INFO L287 CegarLoopForPetriNet]: 327 programPoint places, -29 predicate places. [2022-11-02 20:42:53,100 INFO L495 AbstractCegarLoop]: Abstraction has has 298 places, 297 transitions, 654 flow [2022-11-02 20:42:53,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 329.0) internal successors, (1316), 4 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:53,101 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:42:53,101 INFO L208 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] [2022-11-02 20:42:53,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 20:42:53,101 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-02 20:42:53,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:53,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1891638933, now seen corresponding path program 1 times [2022-11-02 20:42:53,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:53,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040973492] [2022-11-02 20:42:53,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:53,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:53,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:42:53,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:42:53,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040973492] [2022-11-02 20:42:53,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040973492] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:42:53,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:42:53,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:42:53,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040432483] [2022-11-02 20:42:53,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:42:53,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:42:53,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:42:53,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:42:53,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:42:53,528 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 358 [2022-11-02 20:42:53,530 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 297 transitions, 654 flow. Second operand has 6 states, 6 states have (on average 296.8333333333333) internal successors, (1781), 6 states have internal predecessors, (1781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:53,530 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:42:53,531 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 358 [2022-11-02 20:42:53,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:42:56,468 INFO L130 PetriNetUnfolder]: 3863/17251 cut-off events. [2022-11-02 20:42:56,468 INFO L131 PetriNetUnfolder]: For 89/89 co-relation queries the response was YES. [2022-11-02 20:42:56,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23628 conditions, 17251 events. 3863/17251 cut-off events. For 89/89 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 185732 event pairs, 2979 based on Foata normal form. 0/15280 useless extension candidates. Maximal degree in co-relation 23583. Up to 5014 conditions per place. [2022-11-02 20:42:56,635 INFO L137 encePairwiseOnDemand]: 353/358 looper letters, 114 selfloop transitions, 4 changer transitions 0/368 dead transitions. [2022-11-02 20:42:56,635 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 368 transitions, 1032 flow [2022-11-02 20:42:56,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:42:56,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:42:56,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2022-11-02 20:42:56,641 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8766294227188082 [2022-11-02 20:42:56,641 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1883 transitions. [2022-11-02 20:42:56,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1883 transitions. [2022-11-02 20:42:56,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:42:56,643 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1883 transitions. [2022-11-02 20:42:56,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 313.8333333333333) internal successors, (1883), 6 states have internal predecessors, (1883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:56,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 358.0) internal successors, (2506), 7 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:56,653 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 358.0) internal successors, (2506), 7 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:56,653 INFO L175 Difference]: Start difference. First operand has 298 places, 297 transitions, 654 flow. Second operand 6 states and 1883 transitions. [2022-11-02 20:42:56,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 368 transitions, 1032 flow [2022-11-02 20:42:56,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 368 transitions, 1032 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 20:42:56,662 INFO L231 Difference]: Finished difference. Result has 302 places, 296 transitions, 660 flow [2022-11-02 20:42:56,663 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=652, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=660, PETRI_PLACES=302, PETRI_TRANSITIONS=296} [2022-11-02 20:42:56,664 INFO L287 CegarLoopForPetriNet]: 327 programPoint places, -25 predicate places. [2022-11-02 20:42:56,664 INFO L495 AbstractCegarLoop]: Abstraction has has 302 places, 296 transitions, 660 flow [2022-11-02 20:42:56,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 296.8333333333333) internal successors, (1781), 6 states have internal predecessors, (1781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:56,665 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:42:56,665 INFO L208 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] [2022-11-02 20:42:56,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 20:42:56,666 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-02 20:42:56,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:56,667 INFO L85 PathProgramCache]: Analyzing trace with hash -920539149, now seen corresponding path program 1 times [2022-11-02 20:42:56,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:56,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998184140] [2022-11-02 20:42:56,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:56,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:57,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:42:57,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:42:57,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998184140] [2022-11-02 20:42:57,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998184140] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:42:57,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:42:57,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:42:57,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644185195] [2022-11-02 20:42:57,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:42:57,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:42:57,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:42:57,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:42:57,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:42:57,233 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 358 [2022-11-02 20:42:57,235 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 296 transitions, 660 flow. Second operand has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:57,235 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:42:57,235 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 358 [2022-11-02 20:42:57,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:00,140 INFO L130 PetriNetUnfolder]: 5479/18022 cut-off events. [2022-11-02 20:43:00,141 INFO L131 PetriNetUnfolder]: For 1663/1663 co-relation queries the response was YES. [2022-11-02 20:43:00,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28697 conditions, 18022 events. 5479/18022 cut-off events. For 1663/1663 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 183187 event pairs, 2195 based on Foata normal form. 0/16311 useless extension candidates. Maximal degree in co-relation 28651. Up to 4200 conditions per place. [2022-11-02 20:43:00,268 INFO L137 encePairwiseOnDemand]: 352/358 looper letters, 156 selfloop transitions, 6 changer transitions 0/403 dead transitions. [2022-11-02 20:43:00,268 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 403 transitions, 1206 flow [2022-11-02 20:43:00,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:43:00,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:43:00,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1894 transitions. [2022-11-02 20:43:00,272 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8817504655493482 [2022-11-02 20:43:00,273 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1894 transitions. [2022-11-02 20:43:00,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1894 transitions. [2022-11-02 20:43:00,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:00,274 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1894 transitions. [2022-11-02 20:43:00,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 315.6666666666667) internal successors, (1894), 6 states have internal predecessors, (1894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:00,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 358.0) internal successors, (2506), 7 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:00,282 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 358.0) internal successors, (2506), 7 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:00,282 INFO L175 Difference]: Start difference. First operand has 302 places, 296 transitions, 660 flow. Second operand 6 states and 1894 transitions. [2022-11-02 20:43:00,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 403 transitions, 1206 flow [2022-11-02 20:43:00,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 403 transitions, 1199 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:43:00,293 INFO L231 Difference]: Finished difference. Result has 302 places, 295 transitions, 663 flow [2022-11-02 20:43:00,293 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=651, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=663, PETRI_PLACES=302, PETRI_TRANSITIONS=295} [2022-11-02 20:43:00,294 INFO L287 CegarLoopForPetriNet]: 327 programPoint places, -25 predicate places. [2022-11-02 20:43:00,295 INFO L495 AbstractCegarLoop]: Abstraction has has 302 places, 295 transitions, 663 flow [2022-11-02 20:43:00,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:00,296 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:00,296 INFO L208 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] [2022-11-02 20:43:00,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-02 20:43:00,296 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-02 20:43:00,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:00,297 INFO L85 PathProgramCache]: Analyzing trace with hash -71714620, now seen corresponding path program 1 times [2022-11-02 20:43:00,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:00,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407154555] [2022-11-02 20:43:00,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:00,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:00,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:00,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407154555] [2022-11-02 20:43:00,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407154555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:00,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:00,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:43:00,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739270751] [2022-11-02 20:43:00,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:00,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:43:00,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:00,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:43:00,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:43:00,412 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 358 [2022-11-02 20:43:00,413 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 295 transitions, 663 flow. Second operand has 4 states, 4 states have (on average 309.25) internal successors, (1237), 4 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:00,413 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:00,413 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 358 [2022-11-02 20:43:00,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:00,739 INFO L130 PetriNetUnfolder]: 163/1539 cut-off events. [2022-11-02 20:43:00,740 INFO L131 PetriNetUnfolder]: For 116/118 co-relation queries the response was YES. [2022-11-02 20:43:00,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2120 conditions, 1539 events. 163/1539 cut-off events. For 116/118 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 9805 event pairs, 42 based on Foata normal form. 1/1411 useless extension candidates. Maximal degree in co-relation 2075. Up to 271 conditions per place. [2022-11-02 20:43:00,756 INFO L137 encePairwiseOnDemand]: 351/358 looper letters, 57 selfloop transitions, 7 changer transitions 0/321 dead transitions. [2022-11-02 20:43:00,756 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 321 transitions, 846 flow [2022-11-02 20:43:00,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:43:00,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-02 20:43:00,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1595 transitions. [2022-11-02 20:43:00,760 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8910614525139665 [2022-11-02 20:43:00,760 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1595 transitions. [2022-11-02 20:43:00,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1595 transitions. [2022-11-02 20:43:00,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:00,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1595 transitions. [2022-11-02 20:43:00,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 319.0) internal successors, (1595), 5 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:00,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 358.0) internal successors, (2148), 6 states have internal predecessors, (2148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:00,768 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 358.0) internal successors, (2148), 6 states have internal predecessors, (2148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:00,768 INFO L175 Difference]: Start difference. First operand has 302 places, 295 transitions, 663 flow. Second operand 5 states and 1595 transitions. [2022-11-02 20:43:00,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 321 transitions, 846 flow [2022-11-02 20:43:00,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 321 transitions, 834 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-02 20:43:00,776 INFO L231 Difference]: Finished difference. Result has 304 places, 300 transitions, 697 flow [2022-11-02 20:43:00,777 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=651, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=697, PETRI_PLACES=304, PETRI_TRANSITIONS=300} [2022-11-02 20:43:00,777 INFO L287 CegarLoopForPetriNet]: 327 programPoint places, -23 predicate places. [2022-11-02 20:43:00,778 INFO L495 AbstractCegarLoop]: Abstraction has has 304 places, 300 transitions, 697 flow [2022-11-02 20:43:00,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 309.25) internal successors, (1237), 4 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:00,778 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:00,779 INFO L208 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] [2022-11-02 20:43:00,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-02 20:43:00,779 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-02 20:43:00,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:00,780 INFO L85 PathProgramCache]: Analyzing trace with hash 443979746, now seen corresponding path program 1 times [2022-11-02 20:43:00,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:00,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150677649] [2022-11-02 20:43:00,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:00,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:00,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:00,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:00,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150677649] [2022-11-02 20:43:00,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150677649] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:00,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:00,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:43:00,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708705573] [2022-11-02 20:43:00,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:00,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:43:00,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:00,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:43:00,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:43:00,910 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 358 [2022-11-02 20:43:00,911 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 300 transitions, 697 flow. Second operand has 4 states, 4 states have (on average 309.25) internal successors, (1237), 4 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:00,911 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:00,912 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 358 [2022-11-02 20:43:00,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:01,430 INFO L130 PetriNetUnfolder]: 160/1540 cut-off events. [2022-11-02 20:43:01,430 INFO L131 PetriNetUnfolder]: For 180/182 co-relation queries the response was YES. [2022-11-02 20:43:01,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2185 conditions, 1540 events. 160/1540 cut-off events. For 180/182 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 9849 event pairs, 44 based on Foata normal form. 0/1422 useless extension candidates. Maximal degree in co-relation 2136. Up to 271 conditions per place. [2022-11-02 20:43:01,446 INFO L137 encePairwiseOnDemand]: 351/358 looper letters, 57 selfloop transitions, 7 changer transitions 0/322 dead transitions. [2022-11-02 20:43:01,446 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 322 transitions, 872 flow [2022-11-02 20:43:01,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:43:01,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-02 20:43:01,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1595 transitions. [2022-11-02 20:43:01,451 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8910614525139665 [2022-11-02 20:43:01,451 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1595 transitions. [2022-11-02 20:43:01,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1595 transitions. [2022-11-02 20:43:01,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:01,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1595 transitions. [2022-11-02 20:43:01,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 319.0) internal successors, (1595), 5 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:01,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 358.0) internal successors, (2148), 6 states have internal predecessors, (2148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:01,461 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 358.0) internal successors, (2148), 6 states have internal predecessors, (2148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:01,462 INFO L175 Difference]: Start difference. First operand has 304 places, 300 transitions, 697 flow. Second operand 5 states and 1595 transitions. [2022-11-02 20:43:01,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 322 transitions, 872 flow [2022-11-02 20:43:01,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 322 transitions, 872 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 20:43:01,470 INFO L231 Difference]: Finished difference. Result has 311 places, 303 transitions, 735 flow [2022-11-02 20:43:01,471 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=697, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=735, PETRI_PLACES=311, PETRI_TRANSITIONS=303} [2022-11-02 20:43:01,472 INFO L287 CegarLoopForPetriNet]: 327 programPoint places, -16 predicate places. [2022-11-02 20:43:01,472 INFO L495 AbstractCegarLoop]: Abstraction has has 311 places, 303 transitions, 735 flow [2022-11-02 20:43:01,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 309.25) internal successors, (1237), 4 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:01,473 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:01,473 INFO L208 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] [2022-11-02 20:43:01,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-02 20:43:01,473 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-02 20:43:01,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:01,474 INFO L85 PathProgramCache]: Analyzing trace with hash 27933558, now seen corresponding path program 1 times [2022-11-02 20:43:01,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:01,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181006634] [2022-11-02 20:43:01,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:01,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:01,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:01,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:01,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181006634] [2022-11-02 20:43:01,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181006634] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:01,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:01,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:43:01,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174978569] [2022-11-02 20:43:01,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:01,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:43:01,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:01,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:43:01,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:43:01,535 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 358 [2022-11-02 20:43:01,536 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 303 transitions, 735 flow. Second operand has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:01,536 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:01,537 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 358 [2022-11-02 20:43:01,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:01,782 INFO L130 PetriNetUnfolder]: 62/1116 cut-off events. [2022-11-02 20:43:01,783 INFO L131 PetriNetUnfolder]: For 85/87 co-relation queries the response was YES. [2022-11-02 20:43:01,794 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1432 conditions, 1116 events. 62/1116 cut-off events. For 85/87 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 5191 event pairs, 20 based on Foata normal form. 0/1035 useless extension candidates. Maximal degree in co-relation 1379. Up to 63 conditions per place. [2022-11-02 20:43:01,797 INFO L137 encePairwiseOnDemand]: 355/358 looper letters, 12 selfloop transitions, 2 changer transitions 0/303 dead transitions. [2022-11-02 20:43:01,797 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 303 transitions, 764 flow [2022-11-02 20:43:01,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:43:01,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:43:01,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 990 transitions. [2022-11-02 20:43:01,801 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9217877094972067 [2022-11-02 20:43:01,801 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 990 transitions. [2022-11-02 20:43:01,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 990 transitions. [2022-11-02 20:43:01,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:01,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 990 transitions. [2022-11-02 20:43:01,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 330.0) internal successors, (990), 3 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:01,807 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:01,807 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:01,808 INFO L175 Difference]: Start difference. First operand has 311 places, 303 transitions, 735 flow. Second operand 3 states and 990 transitions. [2022-11-02 20:43:01,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 303 transitions, 764 flow [2022-11-02 20:43:01,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 303 transitions, 764 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 20:43:01,817 INFO L231 Difference]: Finished difference. Result has 312 places, 302 transitions, 737 flow [2022-11-02 20:43:01,817 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=733, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=737, PETRI_PLACES=312, PETRI_TRANSITIONS=302} [2022-11-02 20:43:01,818 INFO L287 CegarLoopForPetriNet]: 327 programPoint places, -15 predicate places. [2022-11-02 20:43:01,820 INFO L495 AbstractCegarLoop]: Abstraction has has 312 places, 302 transitions, 737 flow [2022-11-02 20:43:01,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:01,821 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:01,821 INFO L208 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] [2022-11-02 20:43:01,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-02 20:43:01,821 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-02 20:43:01,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:01,822 INFO L85 PathProgramCache]: Analyzing trace with hash -942194191, now seen corresponding path program 1 times [2022-11-02 20:43:01,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:01,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911680292] [2022-11-02 20:43:01,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:01,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:02,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:02,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:02,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911680292] [2022-11-02 20:43:02,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911680292] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:02,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:02,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:43:02,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224925566] [2022-11-02 20:43:02,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:02,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:43:02,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:02,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:43:02,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:43:02,326 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 358 [2022-11-02 20:43:02,328 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 302 transitions, 737 flow. Second operand has 6 states, 6 states have (on average 285.1666666666667) internal successors, (1711), 6 states have internal predecessors, (1711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:02,328 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:02,328 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 358 [2022-11-02 20:43:02,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:06,271 INFO L130 PetriNetUnfolder]: 7584/24348 cut-off events. [2022-11-02 20:43:06,271 INFO L131 PetriNetUnfolder]: For 3543/3543 co-relation queries the response was YES. [2022-11-02 20:43:06,362 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40765 conditions, 24348 events. 7584/24348 cut-off events. For 3543/3543 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 245060 event pairs, 2647 based on Foata normal form. 0/22848 useless extension candidates. Maximal degree in co-relation 40709. Up to 4874 conditions per place. [2022-11-02 20:43:06,431 INFO L137 encePairwiseOnDemand]: 340/358 looper letters, 111 selfloop transitions, 17 changer transitions 0/367 dead transitions. [2022-11-02 20:43:06,431 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 367 transitions, 1135 flow [2022-11-02 20:43:06,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:43:06,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:43:06,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1823 transitions. [2022-11-02 20:43:06,435 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8486964618249534 [2022-11-02 20:43:06,436 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1823 transitions. [2022-11-02 20:43:06,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1823 transitions. [2022-11-02 20:43:06,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:06,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1823 transitions. [2022-11-02 20:43:06,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 303.8333333333333) internal successors, (1823), 6 states have internal predecessors, (1823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:06,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 358.0) internal successors, (2506), 7 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:06,445 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 358.0) internal successors, (2506), 7 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:06,445 INFO L175 Difference]: Start difference. First operand has 312 places, 302 transitions, 737 flow. Second operand 6 states and 1823 transitions. [2022-11-02 20:43:06,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 367 transitions, 1135 flow [2022-11-02 20:43:06,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 367 transitions, 1131 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:43:06,456 INFO L231 Difference]: Finished difference. Result has 312 places, 299 transitions, 761 flow [2022-11-02 20:43:06,457 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=727, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=761, PETRI_PLACES=312, PETRI_TRANSITIONS=299} [2022-11-02 20:43:06,459 INFO L287 CegarLoopForPetriNet]: 327 programPoint places, -15 predicate places. [2022-11-02 20:43:06,459 INFO L495 AbstractCegarLoop]: Abstraction has has 312 places, 299 transitions, 761 flow [2022-11-02 20:43:06,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 285.1666666666667) internal successors, (1711), 6 states have internal predecessors, (1711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:06,460 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:06,460 INFO L208 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] [2022-11-02 20:43:06,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-02 20:43:06,461 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-02 20:43:06,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:06,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1487484426, now seen corresponding path program 1 times [2022-11-02 20:43:06,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:06,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983166162] [2022-11-02 20:43:06,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:06,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:06,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:06,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:06,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983166162] [2022-11-02 20:43:06,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983166162] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:06,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:06,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:43:06,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415503087] [2022-11-02 20:43:06,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:06,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:43:06,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:06,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:43:06,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:43:06,507 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 358 [2022-11-02 20:43:06,508 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 299 transitions, 761 flow. Second operand has 3 states, 3 states have (on average 304.6666666666667) internal successors, (914), 3 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:06,509 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:06,509 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 358 [2022-11-02 20:43:06,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:06,781 INFO L130 PetriNetUnfolder]: 136/1450 cut-off events. [2022-11-02 20:43:06,781 INFO L131 PetriNetUnfolder]: For 257/260 co-relation queries the response was YES. [2022-11-02 20:43:06,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2197 conditions, 1450 events. 136/1450 cut-off events. For 257/260 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 8950 event pairs, 82 based on Foata normal form. 0/1374 useless extension candidates. Maximal degree in co-relation 2143. Up to 301 conditions per place. [2022-11-02 20:43:06,796 INFO L137 encePairwiseOnDemand]: 355/358 looper letters, 30 selfloop transitions, 2 changer transitions 0/299 dead transitions. [2022-11-02 20:43:06,797 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 299 transitions, 826 flow [2022-11-02 20:43:06,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:43:06,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:43:06,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 936 transitions. [2022-11-02 20:43:06,800 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8715083798882681 [2022-11-02 20:43:06,800 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 936 transitions. [2022-11-02 20:43:06,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 936 transitions. [2022-11-02 20:43:06,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:06,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 936 transitions. [2022-11-02 20:43:06,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:06,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:06,805 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:06,806 INFO L175 Difference]: Start difference. First operand has 312 places, 299 transitions, 761 flow. Second operand 3 states and 936 transitions. [2022-11-02 20:43:06,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 299 transitions, 826 flow [2022-11-02 20:43:06,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 299 transitions, 792 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-02 20:43:06,812 INFO L231 Difference]: Finished difference. Result has 308 places, 298 transitions, 729 flow [2022-11-02 20:43:06,813 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=725, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=729, PETRI_PLACES=308, PETRI_TRANSITIONS=298} [2022-11-02 20:43:06,814 INFO L287 CegarLoopForPetriNet]: 327 programPoint places, -19 predicate places. [2022-11-02 20:43:06,814 INFO L495 AbstractCegarLoop]: Abstraction has has 308 places, 298 transitions, 729 flow [2022-11-02 20:43:06,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 304.6666666666667) internal successors, (914), 3 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:06,814 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:06,815 INFO L208 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] [2022-11-02 20:43:06,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-02 20:43:06,815 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-02 20:43:06,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:06,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1156622242, now seen corresponding path program 1 times [2022-11-02 20:43:06,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:06,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968474622] [2022-11-02 20:43:06,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:06,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:06,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:06,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:06,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968474622] [2022-11-02 20:43:06,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968474622] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:06,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:06,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:43:06,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205605262] [2022-11-02 20:43:06,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:06,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:43:06,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:06,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:43:06,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:43:06,944 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 358 [2022-11-02 20:43:06,945 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 298 transitions, 729 flow. Second operand has 3 states, 3 states have (on average 304.6666666666667) internal successors, (914), 3 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:06,945 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:06,945 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 358 [2022-11-02 20:43:06,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:07,215 INFO L130 PetriNetUnfolder]: 134/1442 cut-off events. [2022-11-02 20:43:07,215 INFO L131 PetriNetUnfolder]: For 201/204 co-relation queries the response was YES. [2022-11-02 20:43:07,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2043 conditions, 1442 events. 134/1442 cut-off events. For 201/204 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 8863 event pairs, 80 based on Foata normal form. 0/1372 useless extension candidates. Maximal degree in co-relation 1989. Up to 293 conditions per place. [2022-11-02 20:43:07,229 INFO L137 encePairwiseOnDemand]: 355/358 looper letters, 28 selfloop transitions, 2 changer transitions 1/298 dead transitions. [2022-11-02 20:43:07,229 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 298 transitions, 792 flow [2022-11-02 20:43:07,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:43:07,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:43:07,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 935 transitions. [2022-11-02 20:43:07,232 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8705772811918063 [2022-11-02 20:43:07,232 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 935 transitions. [2022-11-02 20:43:07,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 935 transitions. [2022-11-02 20:43:07,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:07,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 935 transitions. [2022-11-02 20:43:07,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 311.6666666666667) internal successors, (935), 3 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:07,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:07,237 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:07,237 INFO L175 Difference]: Start difference. First operand has 308 places, 298 transitions, 729 flow. Second operand 3 states and 935 transitions. [2022-11-02 20:43:07,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 298 transitions, 792 flow [2022-11-02 20:43:07,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 298 transitions, 788 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:43:07,243 INFO L231 Difference]: Finished difference. Result has 307 places, 297 transitions, 727 flow [2022-11-02 20:43:07,244 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=723, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=727, PETRI_PLACES=307, PETRI_TRANSITIONS=297} [2022-11-02 20:43:07,245 INFO L287 CegarLoopForPetriNet]: 327 programPoint places, -20 predicate places. [2022-11-02 20:43:07,245 INFO L495 AbstractCegarLoop]: Abstraction has has 307 places, 297 transitions, 727 flow [2022-11-02 20:43:07,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 304.6666666666667) internal successors, (914), 3 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:07,245 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:07,245 INFO L208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:43:07,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-02 20:43:07,246 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-02 20:43:07,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:07,246 INFO L85 PathProgramCache]: Analyzing trace with hash 699115312, now seen corresponding path program 1 times [2022-11-02 20:43:07,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:07,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686606688] [2022-11-02 20:43:07,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:07,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:07,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:07,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:07,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686606688] [2022-11-02 20:43:07,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686606688] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:07,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:07,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:43:07,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489968456] [2022-11-02 20:43:07,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:07,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:43:07,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:07,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:43:07,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:43:07,302 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 358 [2022-11-02 20:43:07,303 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 297 transitions, 727 flow. Second operand has 3 states, 3 states have (on average 306.6666666666667) internal successors, (920), 3 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:07,303 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:07,303 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 358 [2022-11-02 20:43:07,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:07,538 INFO L130 PetriNetUnfolder]: 132/1434 cut-off events. [2022-11-02 20:43:07,538 INFO L131 PetriNetUnfolder]: For 199/202 co-relation queries the response was YES. [2022-11-02 20:43:07,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2027 conditions, 1434 events. 132/1434 cut-off events. For 199/202 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 8713 event pairs, 78 based on Foata normal form. 0/1370 useless extension candidates. Maximal degree in co-relation 1973. Up to 285 conditions per place. [2022-11-02 20:43:07,545 INFO L137 encePairwiseOnDemand]: 355/358 looper letters, 0 selfloop transitions, 0 changer transitions 297/297 dead transitions. [2022-11-02 20:43:07,545 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 297 transitions, 788 flow [2022-11-02 20:43:07,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:43:07,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:43:07,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 934 transitions. [2022-11-02 20:43:07,548 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8696461824953445 [2022-11-02 20:43:07,548 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 934 transitions. [2022-11-02 20:43:07,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 934 transitions. [2022-11-02 20:43:07,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:07,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 934 transitions. [2022-11-02 20:43:07,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 311.3333333333333) internal successors, (934), 3 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:07,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:07,554 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 358.0) internal successors, (1432), 4 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:07,554 INFO L175 Difference]: Start difference. First operand has 307 places, 297 transitions, 727 flow. Second operand 3 states and 934 transitions. [2022-11-02 20:43:07,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 297 transitions, 788 flow [2022-11-02 20:43:07,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 297 transitions, 784 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:43:07,559 INFO L231 Difference]: Finished difference. Result has 306 places, 0 transitions, 0 flow [2022-11-02 20:43:07,560 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=358, PETRI_DIFFERENCE_MINUEND_FLOW=721, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=306, PETRI_TRANSITIONS=0} [2022-11-02 20:43:07,560 INFO L287 CegarLoopForPetriNet]: 327 programPoint places, -21 predicate places. [2022-11-02 20:43:07,560 INFO L495 AbstractCegarLoop]: Abstraction has has 306 places, 0 transitions, 0 flow [2022-11-02 20:43:07,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.6666666666667) internal successors, (920), 3 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:07,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (73 of 74 remaining) [2022-11-02 20:43:07,564 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2022-11-02 20:43:07,564 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2022-11-02 20:43:07,564 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2022-11-02 20:43:07,564 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2022-11-02 20:43:07,565 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2022-11-02 20:43:07,565 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2022-11-02 20:43:07,565 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2022-11-02 20:43:07,565 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2022-11-02 20:43:07,565 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2022-11-02 20:43:07,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2022-11-02 20:43:07,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2022-11-02 20:43:07,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2022-11-02 20:43:07,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2022-11-02 20:43:07,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2022-11-02 20:43:07,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2022-11-02 20:43:07,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2022-11-02 20:43:07,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2022-11-02 20:43:07,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2022-11-02 20:43:07,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2022-11-02 20:43:07,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2022-11-02 20:43:07,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2022-11-02 20:43:07,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2022-11-02 20:43:07,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2022-11-02 20:43:07,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2022-11-02 20:43:07,569 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2022-11-02 20:43:07,569 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2022-11-02 20:43:07,569 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2022-11-02 20:43:07,569 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2022-11-02 20:43:07,569 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2022-11-02 20:43:07,570 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2022-11-02 20:43:07,570 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2022-11-02 20:43:07,570 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2022-11-02 20:43:07,570 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2022-11-02 20:43:07,570 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2022-11-02 20:43:07,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2022-11-02 20:43:07,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2022-11-02 20:43:07,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2022-11-02 20:43:07,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2022-11-02 20:43:07,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2022-11-02 20:43:07,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2022-11-02 20:43:07,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 74 remaining) [2022-11-02 20:43:07,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 74 remaining) [2022-11-02 20:43:07,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2022-11-02 20:43:07,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (29 of 74 remaining) [2022-11-02 20:43:07,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (28 of 74 remaining) [2022-11-02 20:43:07,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (27 of 74 remaining) [2022-11-02 20:43:07,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2022-11-02 20:43:07,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2022-11-02 20:43:07,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2022-11-02 20:43:07,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2022-11-02 20:43:07,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2022-11-02 20:43:07,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2022-11-02 20:43:07,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2022-11-02 20:43:07,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2022-11-02 20:43:07,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2022-11-02 20:43:07,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2022-11-02 20:43:07,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2022-11-02 20:43:07,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2022-11-02 20:43:07,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2022-11-02 20:43:07,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2022-11-02 20:43:07,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2022-11-02 20:43:07,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2022-11-02 20:43:07,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2022-11-02 20:43:07,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2022-11-02 20:43:07,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2022-11-02 20:43:07,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2022-11-02 20:43:07,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2022-11-02 20:43:07,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2022-11-02 20:43:07,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2022-11-02 20:43:07,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2022-11-02 20:43:07,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2022-11-02 20:43:07,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2022-11-02 20:43:07,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2022-11-02 20:43:07,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-02 20:43:07,579 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:43:07,585 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 20:43:07,585 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:43:07,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:43:07 BasicIcfg [2022-11-02 20:43:07,591 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:43:07,591 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:43:07,591 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:43:07,591 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:43:07,592 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:42:43" (3/4) ... [2022-11-02 20:43:07,595 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:43:07,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-02 20:43:07,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-02 20:43:07,605 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-02 20:43:07,606 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-02 20:43:07,606 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:43:07,606 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:43:07,653 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f99b68-d169-4ff9-93d8-b43ae04f2cdd/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:43:07,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:43:07,654 INFO L158 Benchmark]: Toolchain (without parser) took 25390.59ms. Allocated memory was 138.4MB in the beginning and 6.6GB in the end (delta: 6.4GB). Free memory was 97.3MB in the beginning and 5.7GB in the end (delta: -5.6GB). Peak memory consumption was 840.6MB. Max. memory is 16.1GB. [2022-11-02 20:43:07,654 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 138.4MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:43:07,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.77ms. Allocated memory is still 138.4MB. Free memory was 97.1MB in the beginning and 110.0MB in the end (delta: -13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:43:07,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.57ms. Allocated memory is still 138.4MB. Free memory was 110.0MB in the beginning and 107.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:43:07,655 INFO L158 Benchmark]: Boogie Preprocessor took 64.07ms. Allocated memory is still 138.4MB. Free memory was 107.5MB in the beginning and 104.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:43:07,655 INFO L158 Benchmark]: RCFGBuilder took 955.16ms. Allocated memory is still 138.4MB. Free memory was 104.9MB in the beginning and 77.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-02 20:43:07,656 INFO L158 Benchmark]: TraceAbstraction took 23903.10ms. Allocated memory was 138.4MB in the beginning and 6.6GB in the end (delta: 6.4GB). Free memory was 77.0MB in the beginning and 5.7GB in the end (delta: -5.6GB). Peak memory consumption was 820.1MB. Max. memory is 16.1GB. [2022-11-02 20:43:07,656 INFO L158 Benchmark]: Witness Printer took 61.97ms. Allocated memory is still 6.6GB. Free memory was 5.7GB in the beginning and 5.7GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:43:07,658 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 138.4MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.77ms. Allocated memory is still 138.4MB. Free memory was 97.1MB in the beginning and 110.0MB in the end (delta: -13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.57ms. Allocated memory is still 138.4MB. Free memory was 110.0MB in the beginning and 107.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.07ms. Allocated memory is still 138.4MB. Free memory was 107.5MB in the beginning and 104.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 955.16ms. Allocated memory is still 138.4MB. Free memory was 104.9MB in the beginning and 77.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 23903.10ms. Allocated memory was 138.4MB in the beginning and 6.6GB in the end (delta: 6.4GB). Free memory was 77.0MB in the beginning and 5.7GB in the end (delta: -5.6GB). Peak memory consumption was 820.1MB. Max. memory is 16.1GB. * Witness Printer took 61.97ms. Allocated memory is still 6.6GB. Free memory was 5.7GB in the beginning and 5.7GB 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: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: 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: 51]: 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: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: 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: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: 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: 64]: 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: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: 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: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: 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: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: 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, 534 locations, 74 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: 23.6s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 19.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 246 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 246 mSDsluCounter, 466 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 134 mSDsCounter, 312 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1815 IncrementalHoareTripleChecker+Invalid, 2127 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 312 mSolverCounterUnsat, 426 mSDtfsCounter, 1815 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=761occurred in iteration=17, InterpolantAutomatonStates: 81, 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, 3.3s InterpolantComputationTime, 1808 NumberOfCodeBlocks, 1808 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1788 ConstructedInterpolants, 0 QuantifiedInterpolants, 2789 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 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 41 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-02 20:43:07,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f99b68-d169-4ff9-93d8-b43ae04f2cdd/bin/uautomizer-Dbtcem3rbc/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