./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-time-subst.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_c8769a24-f316-47b0-a9c2-ca6578cc6c99/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8769a24-f316-47b0-a9c2-ca6578cc6c99/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_c8769a24-f316-47b0-a9c2-ca6578cc6c99/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8769a24-f316-47b0-a9c2-ca6578cc6c99/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-time-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8769a24-f316-47b0-a9c2-ca6578cc6c99/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_c8769a24-f316-47b0-a9c2-ca6578cc6c99/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 fbdf820325bad974beb5f3994ba78abc0ad853157d83dd91eac05e8acb05e8a2 --- 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 20:17:03,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:17:03,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:17:03,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:17:03,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:17:03,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:17:03,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:17:03,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:17:03,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:17:03,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:17:03,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:17:03,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:17:03,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:17:03,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:17:03,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:17:03,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:17:03,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:17:03,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:17:03,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:17:03,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:17:03,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:17:03,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:17:03,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:17:03,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:17:03,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:17:03,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:17:03,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:17:03,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:17:03,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:17:03,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:17:03,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:17:03,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:17:03,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:17:03,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:17:03,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:17:03,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:17:03,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:17:03,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:17:03,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:17:03,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:17:03,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:17:03,689 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8769a24-f316-47b0-a9c2-ca6578cc6c99/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 20:17:03,715 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:17:03,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:17:03,717 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:17:03,717 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:17:03,718 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:17:03,718 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:17:03,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:17:03,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:17:03,720 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:17:03,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:17:03,721 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:17:03,721 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:17:03,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:17:03,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:17:03,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:17:03,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:17:03,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:17:03,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:17:03,724 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 20:17:03,724 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:17:03,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:17:03,725 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:17:03,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:17:03,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:17:03,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:17:03,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:17:03,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:17:03,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:17:03,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:17:03,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:17:03,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:17:03,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:17:03,730 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:17:03,730 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:17:03,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:17:03,731 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_c8769a24-f316-47b0-a9c2-ca6578cc6c99/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8769a24-f316-47b0-a9c2-ca6578cc6c99/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbdf820325bad974beb5f3994ba78abc0ad853157d83dd91eac05e8acb05e8a2 [2022-11-02 20:17:04,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:17:04,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:17:04,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:17:04,116 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:17:04,117 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:17:04,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8769a24-f316-47b0-a9c2-ca6578cc6c99/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/weaver/chl-time-subst.wvr.c [2022-11-02 20:17:04,211 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8769a24-f316-47b0-a9c2-ca6578cc6c99/bin/uautomizer-Dbtcem3rbc/data/8dac23979/81fe118dbc3e40078ba6081ef3295572/FLAGc81c02471 [2022-11-02 20:17:04,767 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:17:04,768 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8769a24-f316-47b0-a9c2-ca6578cc6c99/sv-benchmarks/c/weaver/chl-time-subst.wvr.c [2022-11-02 20:17:04,784 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8769a24-f316-47b0-a9c2-ca6578cc6c99/bin/uautomizer-Dbtcem3rbc/data/8dac23979/81fe118dbc3e40078ba6081ef3295572/FLAGc81c02471 [2022-11-02 20:17:05,140 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8769a24-f316-47b0-a9c2-ca6578cc6c99/bin/uautomizer-Dbtcem3rbc/data/8dac23979/81fe118dbc3e40078ba6081ef3295572 [2022-11-02 20:17:05,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:17:05,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:17:05,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:17:05,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:17:05,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:17:05,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:17:05" (1/1) ... [2022-11-02 20:17:05,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e27baf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:05, skipping insertion in model container [2022-11-02 20:17:05,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:17:05" (1/1) ... [2022-11-02 20:17:05,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:17:05,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:17:05,580 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_c8769a24-f316-47b0-a9c2-ca6578cc6c99/sv-benchmarks/c/weaver/chl-time-subst.wvr.c[2879,2892] [2022-11-02 20:17:05,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:17:05,609 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:17:05,667 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_c8769a24-f316-47b0-a9c2-ca6578cc6c99/sv-benchmarks/c/weaver/chl-time-subst.wvr.c[2879,2892] [2022-11-02 20:17:05,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:17:05,704 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:17:05,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:05 WrapperNode [2022-11-02 20:17:05,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:17:05,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:17:05,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:17:05,706 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:17:05,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:05" (1/1) ... [2022-11-02 20:17:05,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:05" (1/1) ... [2022-11-02 20:17:05,792 INFO L138 Inliner]: procedures = 23, calls = 39, calls flagged for inlining = 11, calls inlined = 21, statements flattened = 343 [2022-11-02 20:17:05,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:17:05,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:17:05,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:17:05,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:17:05,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:05" (1/1) ... [2022-11-02 20:17:05,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:05" (1/1) ... [2022-11-02 20:17:05,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:05" (1/1) ... [2022-11-02 20:17:05,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:05" (1/1) ... [2022-11-02 20:17:05,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:05" (1/1) ... [2022-11-02 20:17:05,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:05" (1/1) ... [2022-11-02 20:17:05,849 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:05" (1/1) ... [2022-11-02 20:17:05,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:05" (1/1) ... [2022-11-02 20:17:05,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:17:05,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:17:05,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:17:05,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:17:05,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:05" (1/1) ... [2022-11-02 20:17:05,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:17:05,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8769a24-f316-47b0-a9c2-ca6578cc6c99/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:17:05,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8769a24-f316-47b0-a9c2-ca6578cc6c99/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:17:05,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8769a24-f316-47b0-a9c2-ca6578cc6c99/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:17:05,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:17:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-02 20:17:05,987 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-02 20:17:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-02 20:17:05,988 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-02 20:17:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-02 20:17:05,989 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-02 20:17:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:17:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:17:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:17:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-02 20:17:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-02 20:17:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:17:05,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:17:05,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:17:05,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:17:05,994 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 20:17:06,220 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:17:06,228 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:17:06,974 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:17:07,655 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:17:07,656 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:17:07,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:17:07 BoogieIcfgContainer [2022-11-02 20:17:07,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:17:07,668 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:17:07,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:17:07,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:17:07,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:17:05" (1/3) ... [2022-11-02 20:17:07,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11603c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:17:07, skipping insertion in model container [2022-11-02 20:17:07,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:05" (2/3) ... [2022-11-02 20:17:07,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11603c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:17:07, skipping insertion in model container [2022-11-02 20:17:07,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:17:07" (3/3) ... [2022-11-02 20:17:07,684 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-subst.wvr.c [2022-11-02 20:17:07,695 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:17:07,708 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:17:07,708 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2022-11-02 20:17:07,709 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:17:07,841 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-02 20:17:07,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 228 places, 221 transitions, 466 flow [2022-11-02 20:17:08,015 INFO L130 PetriNetUnfolder]: 3/218 cut-off events. [2022-11-02 20:17:08,015 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-02 20:17:08,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 218 events. 3/218 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 193 event pairs, 0 based on Foata normal form. 0/174 useless extension candidates. Maximal degree in co-relation 87. Up to 2 conditions per place. [2022-11-02 20:17:08,019 INFO L82 GeneralOperation]: Start removeDead. Operand has 228 places, 221 transitions, 466 flow [2022-11-02 20:17:08,026 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 202 places, 192 transitions, 402 flow [2022-11-02 20:17:08,036 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:17:08,045 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;@5f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:17:08,045 INFO L358 AbstractCegarLoop]: Starting to check reachability of 68 error locations. [2022-11-02 20:17:08,053 INFO L130 PetriNetUnfolder]: 0/28 cut-off events. [2022-11-02 20:17:08,054 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:17:08,054 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:17:08,055 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] [2022-11-02 20:17:08,055 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-02 20:17:08,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:08,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1579165646, now seen corresponding path program 1 times [2022-11-02 20:17:08,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:08,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575831496] [2022-11-02 20:17:08,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:08,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:08,360 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 20:17:08,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:08,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575831496] [2022-11-02 20:17:08,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575831496] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:08,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:08,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:17:08,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899865698] [2022-11-02 20:17:08,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:08,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:17:08,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:08,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:17:08,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:17:08,436 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 221 [2022-11-02 20:17:08,447 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 192 transitions, 402 flow. Second operand has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 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 20:17:08,447 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:17:08,447 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 221 [2022-11-02 20:17:08,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:17:08,641 INFO L130 PetriNetUnfolder]: 15/218 cut-off events. [2022-11-02 20:17:08,641 INFO L131 PetriNetUnfolder]: For 28/35 co-relation queries the response was YES. [2022-11-02 20:17:08,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 218 events. 15/218 cut-off events. For 28/35 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 237 event pairs, 15 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 143. Up to 40 conditions per place. [2022-11-02 20:17:08,648 INFO L137 encePairwiseOnDemand]: 194/221 looper letters, 12 selfloop transitions, 2 changer transitions 0/167 dead transitions. [2022-11-02 20:17:08,648 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 167 transitions, 380 flow [2022-11-02 20:17:08,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:17:08,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:17:08,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 579 transitions. [2022-11-02 20:17:08,678 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8733031674208145 [2022-11-02 20:17:08,680 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 579 transitions. [2022-11-02 20:17:08,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 579 transitions. [2022-11-02 20:17:08,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:17:08,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 579 transitions. [2022-11-02 20:17:08,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 0 states have call successors, (0), 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 20:17:08,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:08,701 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:08,702 INFO L175 Difference]: Start difference. First operand has 202 places, 192 transitions, 402 flow. Second operand 3 states and 579 transitions. [2022-11-02 20:17:08,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 167 transitions, 380 flow [2022-11-02 20:17:08,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 167 transitions, 368 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-02 20:17:08,713 INFO L231 Difference]: Finished difference. Result has 173 places, 167 transitions, 344 flow [2022-11-02 20:17:08,733 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=173, PETRI_TRANSITIONS=167} [2022-11-02 20:17:08,738 INFO L287 CegarLoopForPetriNet]: 202 programPoint places, -29 predicate places. [2022-11-02 20:17:08,738 INFO L495 AbstractCegarLoop]: Abstraction has has 173 places, 167 transitions, 344 flow [2022-11-02 20:17:08,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 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 20:17:08,739 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:17:08,740 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] [2022-11-02 20:17:08,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:17:08,741 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-02 20:17:08,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:08,742 INFO L85 PathProgramCache]: Analyzing trace with hash 308945149, now seen corresponding path program 1 times [2022-11-02 20:17:08,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:08,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893641046] [2022-11-02 20:17:08,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:08,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:08,890 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 20:17:08,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:08,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893641046] [2022-11-02 20:17:08,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893641046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:08,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:08,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:17:08,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262688328] [2022-11-02 20:17:08,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:08,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:17:08,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:08,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:17:08,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:17:08,897 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 221 [2022-11-02 20:17:08,898 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 167 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 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 20:17:08,898 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:17:08,898 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 221 [2022-11-02 20:17:08,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:17:08,989 INFO L130 PetriNetUnfolder]: 15/217 cut-off events. [2022-11-02 20:17:08,989 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-02 20:17:08,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 270 conditions, 217 events. 15/217 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 237 event pairs, 15 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 233. Up to 40 conditions per place. [2022-11-02 20:17:08,991 INFO L137 encePairwiseOnDemand]: 218/221 looper letters, 12 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2022-11-02 20:17:08,992 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 166 transitions, 370 flow [2022-11-02 20:17:08,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:17:08,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:17:08,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2022-11-02 20:17:08,995 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8371040723981901 [2022-11-02 20:17:08,995 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 555 transitions. [2022-11-02 20:17:08,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 555 transitions. [2022-11-02 20:17:08,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:17:08,996 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 555 transitions. [2022-11-02 20:17:08,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 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 20:17:09,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:09,002 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:09,002 INFO L175 Difference]: Start difference. First operand has 173 places, 167 transitions, 344 flow. Second operand 3 states and 555 transitions. [2022-11-02 20:17:09,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 166 transitions, 370 flow [2022-11-02 20:17:09,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 166 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:17:09,008 INFO L231 Difference]: Finished difference. Result has 172 places, 166 transitions, 342 flow [2022-11-02 20:17:09,009 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=172, PETRI_TRANSITIONS=166} [2022-11-02 20:17:09,009 INFO L287 CegarLoopForPetriNet]: 202 programPoint places, -30 predicate places. [2022-11-02 20:17:09,010 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 166 transitions, 342 flow [2022-11-02 20:17:09,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 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 20:17:09,011 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:17:09,011 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] [2022-11-02 20:17:09,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:17:09,012 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-02 20:17:09,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:09,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1825142791, now seen corresponding path program 1 times [2022-11-02 20:17:09,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:09,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394862020] [2022-11-02 20:17:09,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:09,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:09,079 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 20:17:09,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:09,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394862020] [2022-11-02 20:17:09,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394862020] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:09,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:09,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:17:09,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428837783] [2022-11-02 20:17:09,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:09,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:17:09,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:09,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:17:09,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:17:09,084 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 221 [2022-11-02 20:17:09,085 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 166 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 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 20:17:09,085 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:17:09,085 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 221 [2022-11-02 20:17:09,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:17:09,169 INFO L130 PetriNetUnfolder]: 15/216 cut-off events. [2022-11-02 20:17:09,169 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-02 20:17:09,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 269 conditions, 216 events. 15/216 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 235 event pairs, 15 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 225. Up to 40 conditions per place. [2022-11-02 20:17:09,171 INFO L137 encePairwiseOnDemand]: 218/221 looper letters, 12 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2022-11-02 20:17:09,172 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 165 transitions, 368 flow [2022-11-02 20:17:09,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:17:09,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:17:09,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2022-11-02 20:17:09,175 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8371040723981901 [2022-11-02 20:17:09,175 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 555 transitions. [2022-11-02 20:17:09,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 555 transitions. [2022-11-02 20:17:09,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:17:09,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 555 transitions. [2022-11-02 20:17:09,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 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 20:17:09,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:09,181 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:09,181 INFO L175 Difference]: Start difference. First operand has 172 places, 166 transitions, 342 flow. Second operand 3 states and 555 transitions. [2022-11-02 20:17:09,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 165 transitions, 368 flow [2022-11-02 20:17:09,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 165 transitions, 364 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:17:09,186 INFO L231 Difference]: Finished difference. Result has 171 places, 165 transitions, 340 flow [2022-11-02 20:17:09,187 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=340, PETRI_PLACES=171, PETRI_TRANSITIONS=165} [2022-11-02 20:17:09,188 INFO L287 CegarLoopForPetriNet]: 202 programPoint places, -31 predicate places. [2022-11-02 20:17:09,188 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 165 transitions, 340 flow [2022-11-02 20:17:09,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 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 20:17:09,189 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:17:09,190 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] [2022-11-02 20:17:09,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:17:09,190 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-02 20:17:09,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:09,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1879060253, now seen corresponding path program 1 times [2022-11-02 20:17:09,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:09,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099386099] [2022-11-02 20:17:09,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:09,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:09,250 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 20:17:09,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:09,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099386099] [2022-11-02 20:17:09,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099386099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:09,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:09,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:17:09,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499748532] [2022-11-02 20:17:09,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:09,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:17:09,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:09,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:17:09,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:17:09,255 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 221 [2022-11-02 20:17:09,256 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 165 transitions, 340 flow. Second operand has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 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 20:17:09,256 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:17:09,257 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 221 [2022-11-02 20:17:09,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:17:09,354 INFO L130 PetriNetUnfolder]: 15/215 cut-off events. [2022-11-02 20:17:09,354 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-02 20:17:09,355 INFO L83 FinitePrefix]: Finished finitePrefix Result has 268 conditions, 215 events. 15/215 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 233 event pairs, 15 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 217. Up to 40 conditions per place. [2022-11-02 20:17:09,356 INFO L137 encePairwiseOnDemand]: 218/221 looper letters, 12 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2022-11-02 20:17:09,356 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 164 transitions, 366 flow [2022-11-02 20:17:09,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:17:09,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:17:09,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2022-11-02 20:17:09,359 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8371040723981901 [2022-11-02 20:17:09,359 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 555 transitions. [2022-11-02 20:17:09,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 555 transitions. [2022-11-02 20:17:09,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:17:09,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 555 transitions. [2022-11-02 20:17:09,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 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 20:17:09,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:09,365 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:09,366 INFO L175 Difference]: Start difference. First operand has 171 places, 165 transitions, 340 flow. Second operand 3 states and 555 transitions. [2022-11-02 20:17:09,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 164 transitions, 366 flow [2022-11-02 20:17:09,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 164 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:17:09,370 INFO L231 Difference]: Finished difference. Result has 170 places, 164 transitions, 338 flow [2022-11-02 20:17:09,371 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=338, PETRI_PLACES=170, PETRI_TRANSITIONS=164} [2022-11-02 20:17:09,372 INFO L287 CegarLoopForPetriNet]: 202 programPoint places, -32 predicate places. [2022-11-02 20:17:09,372 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 164 transitions, 338 flow [2022-11-02 20:17:09,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 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 20:17:09,373 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:17:09,373 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] [2022-11-02 20:17:09,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:17:09,374 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-02 20:17:09,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:09,375 INFO L85 PathProgramCache]: Analyzing trace with hash 2103782410, now seen corresponding path program 1 times [2022-11-02 20:17:09,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:09,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970161143] [2022-11-02 20:17:09,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:09,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:09,429 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 20:17:09,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:09,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970161143] [2022-11-02 20:17:09,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970161143] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:09,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:09,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:17:09,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915554836] [2022-11-02 20:17:09,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:09,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:17:09,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:09,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:17:09,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:17:09,433 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 221 [2022-11-02 20:17:09,434 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 164 transitions, 338 flow. Second operand has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 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 20:17:09,435 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:17:09,435 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 221 [2022-11-02 20:17:09,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:17:09,512 INFO L130 PetriNetUnfolder]: 15/214 cut-off events. [2022-11-02 20:17:09,512 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-02 20:17:09,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 267 conditions, 214 events. 15/214 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 239 event pairs, 15 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 209. Up to 40 conditions per place. [2022-11-02 20:17:09,514 INFO L137 encePairwiseOnDemand]: 218/221 looper letters, 12 selfloop transitions, 2 changer transitions 0/163 dead transitions. [2022-11-02 20:17:09,514 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 163 transitions, 364 flow [2022-11-02 20:17:09,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:17:09,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:17:09,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2022-11-02 20:17:09,517 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8371040723981901 [2022-11-02 20:17:09,517 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 555 transitions. [2022-11-02 20:17:09,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 555 transitions. [2022-11-02 20:17:09,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:17:09,518 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 555 transitions. [2022-11-02 20:17:09,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 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 20:17:09,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:09,522 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:09,523 INFO L175 Difference]: Start difference. First operand has 170 places, 164 transitions, 338 flow. Second operand 3 states and 555 transitions. [2022-11-02 20:17:09,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 163 transitions, 364 flow [2022-11-02 20:17:09,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 163 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:17:09,527 INFO L231 Difference]: Finished difference. Result has 169 places, 163 transitions, 336 flow [2022-11-02 20:17:09,528 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=336, PETRI_PLACES=169, PETRI_TRANSITIONS=163} [2022-11-02 20:17:09,528 INFO L287 CegarLoopForPetriNet]: 202 programPoint places, -33 predicate places. [2022-11-02 20:17:09,529 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 163 transitions, 336 flow [2022-11-02 20:17:09,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 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 20:17:09,529 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:17:09,530 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] [2022-11-02 20:17:09,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:17:09,530 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-02 20:17:09,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:09,531 INFO L85 PathProgramCache]: Analyzing trace with hash 624977710, now seen corresponding path program 1 times [2022-11-02 20:17:09,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:09,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548467079] [2022-11-02 20:17:09,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:09,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:09,587 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 20:17:09,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:09,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548467079] [2022-11-02 20:17:09,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548467079] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:09,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:09,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:17:09,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033194350] [2022-11-02 20:17:09,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:09,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:17:09,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:09,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:17:09,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:17:09,591 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 221 [2022-11-02 20:17:09,593 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 163 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 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 20:17:09,593 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:17:09,593 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 221 [2022-11-02 20:17:09,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:17:09,684 INFO L130 PetriNetUnfolder]: 15/213 cut-off events. [2022-11-02 20:17:09,685 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-02 20:17:09,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 266 conditions, 213 events. 15/213 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 231 event pairs, 15 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 201. Up to 40 conditions per place. [2022-11-02 20:17:09,689 INFO L137 encePairwiseOnDemand]: 218/221 looper letters, 12 selfloop transitions, 2 changer transitions 0/162 dead transitions. [2022-11-02 20:17:09,690 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 162 transitions, 362 flow [2022-11-02 20:17:09,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:17:09,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:17:09,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2022-11-02 20:17:09,693 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8371040723981901 [2022-11-02 20:17:09,693 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 555 transitions. [2022-11-02 20:17:09,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 555 transitions. [2022-11-02 20:17:09,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:17:09,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 555 transitions. [2022-11-02 20:17:09,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 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 20:17:09,699 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:09,700 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:09,701 INFO L175 Difference]: Start difference. First operand has 169 places, 163 transitions, 336 flow. Second operand 3 states and 555 transitions. [2022-11-02 20:17:09,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 162 transitions, 362 flow [2022-11-02 20:17:09,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 162 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:17:09,706 INFO L231 Difference]: Finished difference. Result has 168 places, 162 transitions, 334 flow [2022-11-02 20:17:09,707 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=168, PETRI_TRANSITIONS=162} [2022-11-02 20:17:09,710 INFO L287 CegarLoopForPetriNet]: 202 programPoint places, -34 predicate places. [2022-11-02 20:17:09,711 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 162 transitions, 334 flow [2022-11-02 20:17:09,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 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 20:17:09,713 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:17:09,713 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 20:17:09,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:17:09,713 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-02 20:17:09,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:09,714 INFO L85 PathProgramCache]: Analyzing trace with hash 62662545, now seen corresponding path program 1 times [2022-11-02 20:17:09,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:09,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109579119] [2022-11-02 20:17:09,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:09,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:09,819 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 20:17:09,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:09,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109579119] [2022-11-02 20:17:09,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109579119] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:09,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:09,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:17:09,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015251404] [2022-11-02 20:17:09,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:09,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:17:09,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:09,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:17:09,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:17:09,823 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 221 [2022-11-02 20:17:09,824 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 162 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 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 20:17:09,824 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:17:09,824 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 221 [2022-11-02 20:17:09,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:17:09,923 INFO L130 PetriNetUnfolder]: 15/212 cut-off events. [2022-11-02 20:17:09,923 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-02 20:17:09,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 268 conditions, 212 events. 15/212 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 230 event pairs, 15 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 196. Up to 43 conditions per place. [2022-11-02 20:17:09,925 INFO L137 encePairwiseOnDemand]: 218/221 looper letters, 15 selfloop transitions, 2 changer transitions 0/161 dead transitions. [2022-11-02 20:17:09,925 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 161 transitions, 366 flow [2022-11-02 20:17:09,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:17:09,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:17:09,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 549 transitions. [2022-11-02 20:17:09,928 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8280542986425339 [2022-11-02 20:17:09,928 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 549 transitions. [2022-11-02 20:17:09,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 549 transitions. [2022-11-02 20:17:09,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:17:09,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 549 transitions. [2022-11-02 20:17:09,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 183.0) internal successors, (549), 3 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:09,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:09,932 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:09,932 INFO L175 Difference]: Start difference. First operand has 168 places, 162 transitions, 334 flow. Second operand 3 states and 549 transitions. [2022-11-02 20:17:09,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 161 transitions, 366 flow [2022-11-02 20:17:09,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 161 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:17:09,937 INFO L231 Difference]: Finished difference. Result has 167 places, 161 transitions, 332 flow [2022-11-02 20:17:09,937 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=167, PETRI_TRANSITIONS=161} [2022-11-02 20:17:09,938 INFO L287 CegarLoopForPetriNet]: 202 programPoint places, -35 predicate places. [2022-11-02 20:17:09,938 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 161 transitions, 332 flow [2022-11-02 20:17:09,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 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 20:17:09,939 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:17:09,939 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] [2022-11-02 20:17:09,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:17:09,939 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-02 20:17:09,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:09,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1647517545, now seen corresponding path program 1 times [2022-11-02 20:17:09,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:09,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576205634] [2022-11-02 20:17:09,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:09,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:09,991 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 20:17:09,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:09,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576205634] [2022-11-02 20:17:09,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576205634] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:09,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:09,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:17:09,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160684899] [2022-11-02 20:17:09,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:09,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:17:09,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:09,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:17:09,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:17:09,995 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 221 [2022-11-02 20:17:09,996 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 161 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 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 20:17:09,996 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:17:09,997 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 221 [2022-11-02 20:17:09,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:17:10,081 INFO L130 PetriNetUnfolder]: 15/211 cut-off events. [2022-11-02 20:17:10,081 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-02 20:17:10,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 270 conditions, 211 events. 15/211 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 227 event pairs, 15 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 191. Up to 46 conditions per place. [2022-11-02 20:17:10,083 INFO L137 encePairwiseOnDemand]: 218/221 looper letters, 18 selfloop transitions, 2 changer transitions 0/160 dead transitions. [2022-11-02 20:17:10,083 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 160 transitions, 370 flow [2022-11-02 20:17:10,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:17:10,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:17:10,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 543 transitions. [2022-11-02 20:17:10,085 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8190045248868778 [2022-11-02 20:17:10,085 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 543 transitions. [2022-11-02 20:17:10,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 543 transitions. [2022-11-02 20:17:10,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:17:10,086 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 543 transitions. [2022-11-02 20:17:10,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 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 20:17:10,090 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:10,090 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:10,090 INFO L175 Difference]: Start difference. First operand has 167 places, 161 transitions, 332 flow. Second operand 3 states and 543 transitions. [2022-11-02 20:17:10,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 160 transitions, 370 flow [2022-11-02 20:17:10,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 160 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:17:10,095 INFO L231 Difference]: Finished difference. Result has 166 places, 160 transitions, 330 flow [2022-11-02 20:17:10,095 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=166, PETRI_TRANSITIONS=160} [2022-11-02 20:17:10,096 INFO L287 CegarLoopForPetriNet]: 202 programPoint places, -36 predicate places. [2022-11-02 20:17:10,096 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 160 transitions, 330 flow [2022-11-02 20:17:10,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 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 20:17:10,097 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:17:10,097 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] [2022-11-02 20:17:10,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:17:10,097 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-02 20:17:10,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:10,098 INFO L85 PathProgramCache]: Analyzing trace with hash 446512505, now seen corresponding path program 1 times [2022-11-02 20:17:10,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:10,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257445640] [2022-11-02 20:17:10,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:10,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:10,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:10,152 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 20:17:10,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:10,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257445640] [2022-11-02 20:17:10,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257445640] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:10,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:10,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:17:10,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024777088] [2022-11-02 20:17:10,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:10,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:17:10,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:10,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:17:10,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:17:10,156 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 221 [2022-11-02 20:17:10,157 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 160 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 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 20:17:10,157 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:17:10,158 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 221 [2022-11-02 20:17:10,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:17:10,248 INFO L130 PetriNetUnfolder]: 15/210 cut-off events. [2022-11-02 20:17:10,249 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-02 20:17:10,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 268 conditions, 210 events. 15/210 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 227 event pairs, 15 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 182. Up to 45 conditions per place. [2022-11-02 20:17:10,250 INFO L137 encePairwiseOnDemand]: 218/221 looper letters, 17 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2022-11-02 20:17:10,251 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 159 transitions, 366 flow [2022-11-02 20:17:10,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:17:10,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:17:10,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 542 transitions. [2022-11-02 20:17:10,253 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8174962292609351 [2022-11-02 20:17:10,253 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 542 transitions. [2022-11-02 20:17:10,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 542 transitions. [2022-11-02 20:17:10,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:17:10,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 542 transitions. [2022-11-02 20:17:10,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 180.66666666666666) internal successors, (542), 3 states have internal predecessors, (542), 0 states have call successors, (0), 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 20:17:10,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:10,259 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:10,259 INFO L175 Difference]: Start difference. First operand has 166 places, 160 transitions, 330 flow. Second operand 3 states and 542 transitions. [2022-11-02 20:17:10,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 159 transitions, 366 flow [2022-11-02 20:17:10,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 159 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:17:10,263 INFO L231 Difference]: Finished difference. Result has 165 places, 159 transitions, 328 flow [2022-11-02 20:17:10,264 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=165, PETRI_TRANSITIONS=159} [2022-11-02 20:17:10,265 INFO L287 CegarLoopForPetriNet]: 202 programPoint places, -37 predicate places. [2022-11-02 20:17:10,265 INFO L495 AbstractCegarLoop]: Abstraction has has 165 places, 159 transitions, 328 flow [2022-11-02 20:17:10,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 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 20:17:10,266 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:17:10,266 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 20:17:10,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 20:17:10,266 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-02 20:17:10,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:10,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1280405984, now seen corresponding path program 1 times [2022-11-02 20:17:10,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:10,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990400188] [2022-11-02 20:17:10,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:10,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:10,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:17:10,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:10,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990400188] [2022-11-02 20:17:10,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990400188] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:10,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:10,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:17:10,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337537824] [2022-11-02 20:17:10,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:10,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:17:10,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:11,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:17:11,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:17:11,002 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 221 [2022-11-02 20:17:11,004 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 159 transitions, 328 flow. Second operand has 6 states, 6 states have (on average 164.0) internal successors, (984), 6 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 20:17:11,004 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:17:11,004 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 221 [2022-11-02 20:17:11,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:17:11,319 INFO L130 PetriNetUnfolder]: 117/391 cut-off events. [2022-11-02 20:17:11,319 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:17:11,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 628 conditions, 391 events. 117/391 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 810 event pairs, 22 based on Foata normal form. 0/371 useless extension candidates. Maximal degree in co-relation 534. Up to 118 conditions per place. [2022-11-02 20:17:11,323 INFO L137 encePairwiseOnDemand]: 216/221 looper letters, 38 selfloop transitions, 4 changer transitions 0/170 dead transitions. [2022-11-02 20:17:11,323 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 170 transitions, 434 flow [2022-11-02 20:17:11,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:17:11,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:17:11,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1015 transitions. [2022-11-02 20:17:11,327 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7654600301659125 [2022-11-02 20:17:11,327 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1015 transitions. [2022-11-02 20:17:11,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1015 transitions. [2022-11-02 20:17:11,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:17:11,329 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1015 transitions. [2022-11-02 20:17:11,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 169.16666666666666) internal successors, (1015), 6 states have internal predecessors, (1015), 0 states have call successors, (0), 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 20:17:11,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:11,338 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:11,338 INFO L175 Difference]: Start difference. First operand has 165 places, 159 transitions, 328 flow. Second operand 6 states and 1015 transitions. [2022-11-02 20:17:11,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 170 transitions, 434 flow [2022-11-02 20:17:11,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 170 transitions, 430 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:17:11,342 INFO L231 Difference]: Finished difference. Result has 167 places, 158 transitions, 330 flow [2022-11-02 20:17:11,343 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=330, PETRI_PLACES=167, PETRI_TRANSITIONS=158} [2022-11-02 20:17:11,344 INFO L287 CegarLoopForPetriNet]: 202 programPoint places, -35 predicate places. [2022-11-02 20:17:11,345 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 158 transitions, 330 flow [2022-11-02 20:17:11,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 164.0) internal successors, (984), 6 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 20:17:11,346 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:17:11,346 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] [2022-11-02 20:17:11,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 20:17:11,346 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-02 20:17:11,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:11,347 INFO L85 PathProgramCache]: Analyzing trace with hash 567142335, now seen corresponding path program 1 times [2022-11-02 20:17:11,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:11,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406744008] [2022-11-02 20:17:11,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:11,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:12,191 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 20:17:12,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:12,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406744008] [2022-11-02 20:17:12,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406744008] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:12,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:12,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:17:12,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404683719] [2022-11-02 20:17:12,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:12,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:17:12,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:12,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:17:12,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:17:12,195 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 221 [2022-11-02 20:17:12,197 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 158 transitions, 330 flow. Second operand has 6 states, 6 states have (on average 165.16666666666666) internal successors, (991), 6 states have internal predecessors, (991), 0 states have call successors, (0), 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 20:17:12,197 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:17:12,197 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 221 [2022-11-02 20:17:12,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:17:12,461 INFO L130 PetriNetUnfolder]: 106/374 cut-off events. [2022-11-02 20:17:12,461 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-11-02 20:17:12,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 623 conditions, 374 events. 106/374 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 733 event pairs, 79 based on Foata normal form. 0/359 useless extension candidates. Maximal degree in co-relation 193. Up to 146 conditions per place. [2022-11-02 20:17:12,464 INFO L137 encePairwiseOnDemand]: 216/221 looper letters, 33 selfloop transitions, 4 changer transitions 0/165 dead transitions. [2022-11-02 20:17:12,465 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 165 transitions, 418 flow [2022-11-02 20:17:12,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:17:12,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:17:12,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1010 transitions. [2022-11-02 20:17:12,468 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7616892911010558 [2022-11-02 20:17:12,469 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1010 transitions. [2022-11-02 20:17:12,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1010 transitions. [2022-11-02 20:17:12,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:17:12,470 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1010 transitions. [2022-11-02 20:17:12,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 168.33333333333334) internal successors, (1010), 6 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 20:17:12,475 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:12,476 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:12,477 INFO L175 Difference]: Start difference. First operand has 167 places, 158 transitions, 330 flow. Second operand 6 states and 1010 transitions. [2022-11-02 20:17:12,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 165 transitions, 418 flow [2022-11-02 20:17:12,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 165 transitions, 411 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:17:12,482 INFO L231 Difference]: Finished difference. Result has 167 places, 157 transitions, 329 flow [2022-11-02 20:17:12,482 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=329, PETRI_PLACES=167, PETRI_TRANSITIONS=157} [2022-11-02 20:17:12,483 INFO L287 CegarLoopForPetriNet]: 202 programPoint places, -35 predicate places. [2022-11-02 20:17:12,483 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 157 transitions, 329 flow [2022-11-02 20:17:12,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 165.16666666666666) internal successors, (991), 6 states have internal predecessors, (991), 0 states have call successors, (0), 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 20:17:12,484 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:17:12,484 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] [2022-11-02 20:17:12,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 20:17:12,485 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-02 20:17:12,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:12,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1413749984, now seen corresponding path program 1 times [2022-11-02 20:17:12,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:12,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047246465] [2022-11-02 20:17:12,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:12,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:13,283 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 20:17:13,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:13,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047246465] [2022-11-02 20:17:13,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047246465] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:13,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:13,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:17:13,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232436705] [2022-11-02 20:17:13,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:13,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:17:13,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:13,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:17:13,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:17:13,288 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 221 [2022-11-02 20:17:13,289 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 157 transitions, 329 flow. Second operand has 6 states, 6 states have (on average 166.33333333333334) internal successors, (998), 6 states have internal predecessors, (998), 0 states have call successors, (0), 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 20:17:13,289 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:17:13,290 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 221 [2022-11-02 20:17:13,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:17:13,487 INFO L130 PetriNetUnfolder]: 105/372 cut-off events. [2022-11-02 20:17:13,487 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-02 20:17:13,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 610 conditions, 372 events. 105/372 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 718 event pairs, 100 based on Foata normal form. 0/360 useless extension candidates. Maximal degree in co-relation 446. Up to 189 conditions per place. [2022-11-02 20:17:13,490 INFO L137 encePairwiseOnDemand]: 216/221 looper letters, 28 selfloop transitions, 4 changer transitions 0/160 dead transitions. [2022-11-02 20:17:13,491 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 160 transitions, 399 flow [2022-11-02 20:17:13,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:17:13,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:17:13,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1005 transitions. [2022-11-02 20:17:13,495 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7579185520361991 [2022-11-02 20:17:13,495 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1005 transitions. [2022-11-02 20:17:13,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1005 transitions. [2022-11-02 20:17:13,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:17:13,496 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1005 transitions. [2022-11-02 20:17:13,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 167.5) internal successors, (1005), 6 states have internal predecessors, (1005), 0 states have call successors, (0), 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 20:17:13,503 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:13,504 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:13,504 INFO L175 Difference]: Start difference. First operand has 167 places, 157 transitions, 329 flow. Second operand 6 states and 1005 transitions. [2022-11-02 20:17:13,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 160 transitions, 399 flow [2022-11-02 20:17:13,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 160 transitions, 392 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:17:13,513 INFO L231 Difference]: Finished difference. Result has 167 places, 156 transitions, 328 flow [2022-11-02 20:17:13,514 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=328, PETRI_PLACES=167, PETRI_TRANSITIONS=156} [2022-11-02 20:17:13,517 INFO L287 CegarLoopForPetriNet]: 202 programPoint places, -35 predicate places. [2022-11-02 20:17:13,517 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 156 transitions, 328 flow [2022-11-02 20:17:13,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 166.33333333333334) internal successors, (998), 6 states have internal predecessors, (998), 0 states have call successors, (0), 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 20:17:13,518 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:17:13,518 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] [2022-11-02 20:17:13,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 20:17:13,519 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-02 20:17:13,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:13,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1937869359, now seen corresponding path program 1 times [2022-11-02 20:17:13,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:13,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585628678] [2022-11-02 20:17:13,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:13,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:13,628 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 20:17:13,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:13,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585628678] [2022-11-02 20:17:13,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585628678] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:13,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:13,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:17:13,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664384801] [2022-11-02 20:17:13,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:13,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:17:13,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:13,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:17:13,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:17:13,633 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 221 [2022-11-02 20:17:13,633 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 156 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 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 20:17:13,634 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:17:13,634 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 221 [2022-11-02 20:17:13,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:17:13,735 INFO L130 PetriNetUnfolder]: 15/206 cut-off events. [2022-11-02 20:17:13,736 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-02 20:17:13,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 206 events. 15/206 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 220 event pairs, 15 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 228. Up to 39 conditions per place. [2022-11-02 20:17:13,737 INFO L137 encePairwiseOnDemand]: 219/221 looper letters, 12 selfloop transitions, 1 changer transitions 0/155 dead transitions. [2022-11-02 20:17:13,737 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 155 transitions, 352 flow [2022-11-02 20:17:13,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:17:13,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:17:13,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 554 transitions. [2022-11-02 20:17:13,740 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8355957767722474 [2022-11-02 20:17:13,740 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 554 transitions. [2022-11-02 20:17:13,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 554 transitions. [2022-11-02 20:17:13,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:17:13,741 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 554 transitions. [2022-11-02 20:17:13,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 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 20:17:13,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:13,745 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:13,746 INFO L175 Difference]: Start difference. First operand has 167 places, 156 transitions, 328 flow. Second operand 3 states and 554 transitions. [2022-11-02 20:17:13,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 155 transitions, 352 flow [2022-11-02 20:17:13,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 155 transitions, 345 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:17:13,750 INFO L231 Difference]: Finished difference. Result has 164 places, 155 transitions, 321 flow [2022-11-02 20:17:13,750 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=321, PETRI_PLACES=164, PETRI_TRANSITIONS=155} [2022-11-02 20:17:13,751 INFO L287 CegarLoopForPetriNet]: 202 programPoint places, -38 predicate places. [2022-11-02 20:17:13,751 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 155 transitions, 321 flow [2022-11-02 20:17:13,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 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 20:17:13,752 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:17:13,753 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] [2022-11-02 20:17:13,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-02 20:17:13,753 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-02 20:17:13,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:13,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1391112532, now seen corresponding path program 1 times [2022-11-02 20:17:13,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:13,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331731820] [2022-11-02 20:17:13,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:13,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:13,866 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 20:17:13,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:13,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331731820] [2022-11-02 20:17:13,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331731820] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:13,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:13,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:17:13,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570632332] [2022-11-02 20:17:13,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:13,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:17:13,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:13,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:17:13,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:17:13,870 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 221 [2022-11-02 20:17:13,871 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 155 transitions, 321 flow. Second operand has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 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 20:17:13,871 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:17:13,871 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 221 [2022-11-02 20:17:13,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:17:13,961 INFO L130 PetriNetUnfolder]: 15/204 cut-off events. [2022-11-02 20:17:13,962 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-02 20:17:13,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 204 events. 15/204 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 218 event pairs, 15 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 237. Up to 39 conditions per place. [2022-11-02 20:17:13,963 INFO L137 encePairwiseOnDemand]: 218/221 looper letters, 14 selfloop transitions, 1 changer transitions 0/153 dead transitions. [2022-11-02 20:17:13,964 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 153 transitions, 347 flow [2022-11-02 20:17:13,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:17:13,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:17:13,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 548 transitions. [2022-11-02 20:17:13,966 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8265460030165912 [2022-11-02 20:17:13,966 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 548 transitions. [2022-11-02 20:17:13,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 548 transitions. [2022-11-02 20:17:13,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:17:13,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 548 transitions. [2022-11-02 20:17:13,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 182.66666666666666) internal successors, (548), 3 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:13,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:13,972 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:13,972 INFO L175 Difference]: Start difference. First operand has 164 places, 155 transitions, 321 flow. Second operand 3 states and 548 transitions. [2022-11-02 20:17:13,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 153 transitions, 347 flow [2022-11-02 20:17:13,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 153 transitions, 346 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:17:13,977 INFO L231 Difference]: Finished difference. Result has 163 places, 153 transitions, 318 flow [2022-11-02 20:17:13,977 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=163, PETRI_TRANSITIONS=153} [2022-11-02 20:17:13,978 INFO L287 CegarLoopForPetriNet]: 202 programPoint places, -39 predicate places. [2022-11-02 20:17:13,979 INFO L495 AbstractCegarLoop]: Abstraction has has 163 places, 153 transitions, 318 flow [2022-11-02 20:17:13,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 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 20:17:13,979 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:17:13,980 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] [2022-11-02 20:17:13,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-02 20:17:13,980 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-02 20:17:13,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:13,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1124284681, now seen corresponding path program 1 times [2022-11-02 20:17:13,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:13,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572609749] [2022-11-02 20:17:13,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:13,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:14,090 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 20:17:14,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:14,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572609749] [2022-11-02 20:17:14,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572609749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:14,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:14,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:17:14,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436246953] [2022-11-02 20:17:14,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:14,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:17:14,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:14,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:17:14,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:17:14,094 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 221 [2022-11-02 20:17:14,095 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 153 transitions, 318 flow. Second operand has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 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 20:17:14,095 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:17:14,095 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 221 [2022-11-02 20:17:14,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:17:14,162 INFO L130 PetriNetUnfolder]: 15/202 cut-off events. [2022-11-02 20:17:14,162 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-02 20:17:14,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 202 events. 15/202 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 216 event pairs, 15 based on Foata normal form. 1/195 useless extension candidates. Maximal degree in co-relation 242. Up to 39 conditions per place. [2022-11-02 20:17:14,163 INFO L137 encePairwiseOnDemand]: 218/221 looper letters, 0 selfloop transitions, 0 changer transitions 151/151 dead transitions. [2022-11-02 20:17:14,164 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 151 transitions, 342 flow [2022-11-02 20:17:14,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:17:14,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:17:14,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 547 transitions. [2022-11-02 20:17:14,166 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8250377073906485 [2022-11-02 20:17:14,166 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 547 transitions. [2022-11-02 20:17:14,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 547 transitions. [2022-11-02 20:17:14,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:17:14,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 547 transitions. [2022-11-02 20:17:14,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 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 20:17:14,171 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:14,172 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:17:14,172 INFO L175 Difference]: Start difference. First operand has 163 places, 153 transitions, 318 flow. Second operand 3 states and 547 transitions. [2022-11-02 20:17:14,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 151 transitions, 342 flow [2022-11-02 20:17:14,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 151 transitions, 341 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:17:14,175 INFO L231 Difference]: Finished difference. Result has 162 places, 0 transitions, 0 flow [2022-11-02 20:17:14,175 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=162, PETRI_TRANSITIONS=0} [2022-11-02 20:17:14,177 INFO L287 CegarLoopForPetriNet]: 202 programPoint places, -40 predicate places. [2022-11-02 20:17:14,178 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 0 transitions, 0 flow [2022-11-02 20:17:14,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 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 20:17:14,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (67 of 68 remaining) [2022-11-02 20:17:14,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (66 of 68 remaining) [2022-11-02 20:17:14,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (65 of 68 remaining) [2022-11-02 20:17:14,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (64 of 68 remaining) [2022-11-02 20:17:14,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (63 of 68 remaining) [2022-11-02 20:17:14,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (62 of 68 remaining) [2022-11-02 20:17:14,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (61 of 68 remaining) [2022-11-02 20:17:14,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (60 of 68 remaining) [2022-11-02 20:17:14,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (59 of 68 remaining) [2022-11-02 20:17:14,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (58 of 68 remaining) [2022-11-02 20:17:14,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (57 of 68 remaining) [2022-11-02 20:17:14,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (56 of 68 remaining) [2022-11-02 20:17:14,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (55 of 68 remaining) [2022-11-02 20:17:14,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (54 of 68 remaining) [2022-11-02 20:17:14,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (53 of 68 remaining) [2022-11-02 20:17:14,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (52 of 68 remaining) [2022-11-02 20:17:14,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (51 of 68 remaining) [2022-11-02 20:17:14,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (50 of 68 remaining) [2022-11-02 20:17:14,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (49 of 68 remaining) [2022-11-02 20:17:14,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (48 of 68 remaining) [2022-11-02 20:17:14,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (47 of 68 remaining) [2022-11-02 20:17:14,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (46 of 68 remaining) [2022-11-02 20:17:14,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (45 of 68 remaining) [2022-11-02 20:17:14,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (44 of 68 remaining) [2022-11-02 20:17:14,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (43 of 68 remaining) [2022-11-02 20:17:14,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (42 of 68 remaining) [2022-11-02 20:17:14,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (41 of 68 remaining) [2022-11-02 20:17:14,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (40 of 68 remaining) [2022-11-02 20:17:14,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (39 of 68 remaining) [2022-11-02 20:17:14,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (38 of 68 remaining) [2022-11-02 20:17:14,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (37 of 68 remaining) [2022-11-02 20:17:14,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (36 of 68 remaining) [2022-11-02 20:17:14,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (35 of 68 remaining) [2022-11-02 20:17:14,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (34 of 68 remaining) [2022-11-02 20:17:14,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (33 of 68 remaining) [2022-11-02 20:17:14,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (32 of 68 remaining) [2022-11-02 20:17:14,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (31 of 68 remaining) [2022-11-02 20:17:14,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (30 of 68 remaining) [2022-11-02 20:17:14,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (29 of 68 remaining) [2022-11-02 20:17:14,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (28 of 68 remaining) [2022-11-02 20:17:14,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (27 of 68 remaining) [2022-11-02 20:17:14,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 68 remaining) [2022-11-02 20:17:14,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 68 remaining) [2022-11-02 20:17:14,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 68 remaining) [2022-11-02 20:17:14,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (23 of 68 remaining) [2022-11-02 20:17:14,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 68 remaining) [2022-11-02 20:17:14,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (21 of 68 remaining) [2022-11-02 20:17:14,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (20 of 68 remaining) [2022-11-02 20:17:14,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (19 of 68 remaining) [2022-11-02 20:17:14,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (18 of 68 remaining) [2022-11-02 20:17:14,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (17 of 68 remaining) [2022-11-02 20:17:14,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (16 of 68 remaining) [2022-11-02 20:17:14,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (15 of 68 remaining) [2022-11-02 20:17:14,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (14 of 68 remaining) [2022-11-02 20:17:14,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (13 of 68 remaining) [2022-11-02 20:17:14,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (12 of 68 remaining) [2022-11-02 20:17:14,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 68 remaining) [2022-11-02 20:17:14,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 68 remaining) [2022-11-02 20:17:14,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 68 remaining) [2022-11-02 20:17:14,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (8 of 68 remaining) [2022-11-02 20:17:14,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 68 remaining) [2022-11-02 20:17:14,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 68 remaining) [2022-11-02 20:17:14,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 68 remaining) [2022-11-02 20:17:14,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 68 remaining) [2022-11-02 20:17:14,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (3 of 68 remaining) [2022-11-02 20:17:14,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (2 of 68 remaining) [2022-11-02 20:17:14,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 68 remaining) [2022-11-02 20:17:14,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 68 remaining) [2022-11-02 20:17:14,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-02 20:17:14,206 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:17:14,215 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 20:17:14,215 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:17:14,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:17:14 BasicIcfg [2022-11-02 20:17:14,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:17:14,224 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:17:14,224 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:17:14,224 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:17:14,225 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:17:07" (3/4) ... [2022-11-02 20:17:14,228 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:17:14,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-02 20:17:14,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-02 20:17:14,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-02 20:17:14,243 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-02 20:17:14,244 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-02 20:17:14,244 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:17:14,244 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:17:14,319 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8769a24-f316-47b0-a9c2-ca6578cc6c99/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:17:14,319 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:17:14,320 INFO L158 Benchmark]: Toolchain (without parser) took 9173.57ms. Allocated memory was 119.5MB in the beginning and 224.4MB in the end (delta: 104.9MB). Free memory was 78.2MB in the beginning and 85.8MB in the end (delta: -7.6MB). Peak memory consumption was 96.7MB. Max. memory is 16.1GB. [2022-11-02 20:17:14,321 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 119.5MB. Free memory is still 95.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:17:14,321 INFO L158 Benchmark]: CACSL2BoogieTranslator took 552.48ms. Allocated memory is still 119.5MB. Free memory was 78.0MB in the beginning and 92.7MB in the end (delta: -14.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:17:14,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.10ms. Allocated memory is still 119.5MB. Free memory was 92.2MB in the beginning and 89.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:17:14,322 INFO L158 Benchmark]: Boogie Preprocessor took 62.30ms. Allocated memory is still 119.5MB. Free memory was 89.7MB in the beginning and 87.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:17:14,323 INFO L158 Benchmark]: RCFGBuilder took 1797.48ms. Allocated memory was 119.5MB in the beginning and 155.2MB in the end (delta: 35.7MB). Free memory was 87.6MB in the beginning and 115.3MB in the end (delta: -27.7MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2022-11-02 20:17:14,323 INFO L158 Benchmark]: TraceAbstraction took 6554.77ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 115.3MB in the beginning and 90.1MB in the end (delta: 25.2MB). Peak memory consumption was 94.5MB. Max. memory is 16.1GB. [2022-11-02 20:17:14,324 INFO L158 Benchmark]: Witness Printer took 95.44ms. Allocated memory is still 224.4MB. Free memory was 90.1MB in the beginning and 85.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:17:14,327 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 119.5MB. Free memory is still 95.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 552.48ms. Allocated memory is still 119.5MB. Free memory was 78.0MB in the beginning and 92.7MB in the end (delta: -14.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.10ms. Allocated memory is still 119.5MB. Free memory was 92.2MB in the beginning and 89.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.30ms. Allocated memory is still 119.5MB. Free memory was 89.7MB in the beginning and 87.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1797.48ms. Allocated memory was 119.5MB in the beginning and 155.2MB in the end (delta: 35.7MB). Free memory was 87.6MB in the beginning and 115.3MB in the end (delta: -27.7MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6554.77ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 115.3MB in the beginning and 90.1MB in the end (delta: 25.2MB). Peak memory consumption was 94.5MB. Max. memory is 16.1GB. * Witness Printer took 95.44ms. Allocated memory is still 224.4MB. Free memory was 90.1MB in the beginning and 85.8MB 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: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: 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: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: 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: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: 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 7 procedures, 258 locations, 68 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: 6.3s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 67 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 67 mSDsluCounter, 91 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 156 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 485 IncrementalHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 91 mSDtfsCounter, 485 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=402occurred in iteration=0, InterpolantAutomatonStates: 54, 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, 3.0s InterpolantComputationTime, 1309 NumberOfCodeBlocks, 1309 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1294 ConstructedInterpolants, 0 QuantifiedInterpolants, 1561 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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 20:17:14,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8769a24-f316-47b0-a9c2-ca6578cc6c99/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