./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 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_8cb3e593-a1ec-49e2-a719-e91f9a2f5220/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb3e593-a1ec-49e2-a719-e91f9a2f5220/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb3e593-a1ec-49e2-a719-e91f9a2f5220/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb3e593-a1ec-49e2-a719-e91f9a2f5220/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb3e593-a1ec-49e2-a719-e91f9a2f5220/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb3e593-a1ec-49e2-a719-e91f9a2f5220/bin/uautomizer-uyxdKDjOR8 --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 c870162e8691a06e8bb6a8083be9eaf3f7ddc94357fb302a6e1fdd1b7aa873f8 --- 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-2329fc7 [2022-12-13 11:11:39,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:11:39,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:11:39,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:11:39,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:11:39,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:11:39,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:11:39,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:11:39,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:11:39,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:11:39,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:11:39,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:11:39,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:11:39,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:11:39,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:11:39,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:11:39,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:11:39,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:11:39,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:11:39,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:11:39,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:11:39,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:11:39,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:11:39,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:11:39,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:11:39,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:11:39,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:11:39,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:11:39,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:11:39,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:11:39,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:11:39,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:11:39,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:11:39,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:11:39,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:11:39,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:11:39,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:11:39,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:11:39,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:11:39,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:11:39,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:11:39,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb3e593-a1ec-49e2-a719-e91f9a2f5220/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 11:11:39,470 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:11:39,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:11:39,470 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:11:39,470 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:11:39,471 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:11:39,471 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:11:39,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:11:39,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:11:39,472 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:11:39,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:11:39,472 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 11:11:39,473 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:11:39,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:11:39,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 11:11:39,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:11:39,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:11:39,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:11:39,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:11:39,474 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 11:11:39,474 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 11:11:39,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:11:39,474 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:11:39,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:11:39,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:11:39,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:11:39,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:11:39,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:11:39,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:11:39,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:11:39,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:11:39,476 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:11:39,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:11:39,476 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:11:39,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:11:39,476 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:11:39,476 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:11:39,477 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:11:39,477 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_8cb3e593-a1ec-49e2-a719-e91f9a2f5220/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb3e593-a1ec-49e2-a719-e91f9a2f5220/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c870162e8691a06e8bb6a8083be9eaf3f7ddc94357fb302a6e1fdd1b7aa873f8 [2022-12-13 11:11:39,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:11:39,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:11:39,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:11:39,686 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:11:39,686 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:11:39,687 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb3e593-a1ec-49e2-a719-e91f9a2f5220/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c [2022-12-13 11:11:42,304 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:11:42,461 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:11:42,461 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb3e593-a1ec-49e2-a719-e91f9a2f5220/sv-benchmarks/c/weaver/parallel-misc-1.wvr.c [2022-12-13 11:11:42,468 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb3e593-a1ec-49e2-a719-e91f9a2f5220/bin/uautomizer-uyxdKDjOR8/data/f92ebea97/8c9e90ac839a41f0901357489c518529/FLAG21bbf4481 [2022-12-13 11:11:42,479 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb3e593-a1ec-49e2-a719-e91f9a2f5220/bin/uautomizer-uyxdKDjOR8/data/f92ebea97/8c9e90ac839a41f0901357489c518529 [2022-12-13 11:11:42,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:11:42,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:11:42,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:11:42,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:11:42,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:11:42,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:11:42" (1/1) ... [2022-12-13 11:11:42,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f3b5f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:42, skipping insertion in model container [2022-12-13 11:11:42,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:11:42" (1/1) ... [2022-12-13 11:11:42,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:11:42,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:11:42,679 WARN L237 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_8cb3e593-a1ec-49e2-a719-e91f9a2f5220/sv-benchmarks/c/weaver/parallel-misc-1.wvr.c[2755,2768] [2022-12-13 11:11:42,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:11:42,697 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:11:42,728 WARN L237 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_8cb3e593-a1ec-49e2-a719-e91f9a2f5220/sv-benchmarks/c/weaver/parallel-misc-1.wvr.c[2755,2768] [2022-12-13 11:11:42,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:11:42,747 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:11:42,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:42 WrapperNode [2022-12-13 11:11:42,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:11:42,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:11:42,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:11:42,749 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:11:42,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:42" (1/1) ... [2022-12-13 11:11:42,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:42" (1/1) ... [2022-12-13 11:11:42,800 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 17, calls inlined = 31, statements flattened = 516 [2022-12-13 11:11:42,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:11:42,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:11:42,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:11:42,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:11:42,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:42" (1/1) ... [2022-12-13 11:11:42,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:42" (1/1) ... [2022-12-13 11:11:42,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:42" (1/1) ... [2022-12-13 11:11:42,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:42" (1/1) ... [2022-12-13 11:11:42,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:42" (1/1) ... [2022-12-13 11:11:42,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:42" (1/1) ... [2022-12-13 11:11:42,841 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:42" (1/1) ... [2022-12-13 11:11:42,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:42" (1/1) ... [2022-12-13 11:11:42,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:11:42,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:11:42,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:11:42,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:11:42,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:42" (1/1) ... [2022-12-13 11:11:42,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:11:42,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb3e593-a1ec-49e2-a719-e91f9a2f5220/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:11:42,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb3e593-a1ec-49e2-a719-e91f9a2f5220/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:11:42,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb3e593-a1ec-49e2-a719-e91f9a2f5220/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:11:42,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:11:42,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 11:11:42,914 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 11:11:42,914 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 11:11:42,914 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 11:11:42,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:11:42,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 11:11:42,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 11:11:42,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 11:11:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:11:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:11:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 11:11:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:11:42,917 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 11:11:43,018 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:11:43,020 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:11:43,595 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:11:43,605 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:11:43,605 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-13 11:11:43,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:11:43 BoogieIcfgContainer [2022-12-13 11:11:43,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:11:43,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:11:43,609 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:11:43,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:11:43,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:11:42" (1/3) ... [2022-12-13 11:11:43,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4840c293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:11:43, skipping insertion in model container [2022-12-13 11:11:43,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:42" (2/3) ... [2022-12-13 11:11:43,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4840c293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:11:43, skipping insertion in model container [2022-12-13 11:11:43,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:11:43" (3/3) ... [2022-12-13 11:11:43,614 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2022-12-13 11:11:43,621 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 11:11:43,629 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:11:43,629 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 75 error locations. [2022-12-13 11:11:43,629 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 11:11:43,724 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 11:11:43,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 688 places, 714 transitions, 1444 flow [2022-12-13 11:11:43,944 INFO L130 PetriNetUnfolder]: 33/712 cut-off events. [2022-12-13 11:11:43,944 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 11:11:43,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 721 conditions, 712 events. 33/712 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1884 event pairs, 0 based on Foata normal form. 0/604 useless extension candidates. Maximal degree in co-relation 461. Up to 2 conditions per place. [2022-12-13 11:11:43,959 INFO L82 GeneralOperation]: Start removeDead. Operand has 688 places, 714 transitions, 1444 flow [2022-12-13 11:11:43,968 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 669 places, 694 transitions, 1400 flow [2022-12-13 11:11:43,971 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 11:11:43,978 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 669 places, 694 transitions, 1400 flow [2022-12-13 11:11:43,980 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 669 places, 694 transitions, 1400 flow [2022-12-13 11:11:43,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 669 places, 694 transitions, 1400 flow [2022-12-13 11:11:44,113 INFO L130 PetriNetUnfolder]: 32/694 cut-off events. [2022-12-13 11:11:44,114 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 11:11:44,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 703 conditions, 694 events. 32/694 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1877 event pairs, 0 based on Foata normal form. 0/588 useless extension candidates. Maximal degree in co-relation 461. Up to 2 conditions per place. [2022-12-13 11:11:44,142 INFO L119 LiptonReduction]: Number of co-enabled transitions 112268 [2022-12-13 11:11:56,878 INFO L134 LiptonReduction]: Checked pairs total: 250500 [2022-12-13 11:11:56,878 INFO L136 LiptonReduction]: Total number of compositions: 828 [2022-12-13 11:11:56,889 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:11:56,893 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;@98c957, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:11:56,894 INFO L358 AbstractCegarLoop]: Starting to check reachability of 125 error locations. [2022-12-13 11:11:56,895 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 11:11:56,895 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 11:11:56,895 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:11:56,895 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 11:11:56,895 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-12-13 11:11:56,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:11:56,899 INFO L85 PathProgramCache]: Analyzing trace with hash 2814, now seen corresponding path program 1 times [2022-12-13 11:11:56,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:11:56,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978010648] [2022-12-13 11:11:56,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:11:56,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:11:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:56,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:11:56,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:11:56,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978010648] [2022-12-13 11:11:56,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978010648] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:11:56,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:11:56,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 11:11:56,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595847991] [2022-12-13 11:11:56,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:11:56,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 11:11:56,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:11:56,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 11:11:56,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 11:11:57,001 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 686 out of 1542 [2022-12-13 11:11:57,008 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 152 transitions, 316 flow. Second operand has 2 states, 2 states have (on average 686.5) internal successors, (1373), 2 states have internal predecessors, (1373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:57,008 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:11:57,008 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 686 of 1542 [2022-12-13 11:11:57,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:11:57,280 INFO L130 PetriNetUnfolder]: 801/2261 cut-off events. [2022-12-13 11:11:57,280 INFO L131 PetriNetUnfolder]: For 61/61 co-relation queries the response was YES. [2022-12-13 11:11:57,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3627 conditions, 2261 events. 801/2261 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 16968 event pairs, 672 based on Foata normal form. 160/2228 useless extension candidates. Maximal degree in co-relation 3396. Up to 1315 conditions per place. [2022-12-13 11:11:57,290 INFO L137 encePairwiseOnDemand]: 1484/1542 looper letters, 41 selfloop transitions, 0 changer transitions 1/94 dead transitions. [2022-12-13 11:11:57,290 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 94 transitions, 284 flow [2022-12-13 11:11:57,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 11:11:57,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 11:11:57,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1472 transitions. [2022-12-13 11:11:57,307 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4773022049286641 [2022-12-13 11:11:57,308 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1472 transitions. [2022-12-13 11:11:57,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1472 transitions. [2022-12-13 11:11:57,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:11:57,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1472 transitions. [2022-12-13 11:11:57,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 736.0) internal successors, (1472), 2 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:57,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1542.0) internal successors, (4626), 3 states have internal predecessors, (4626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:57,341 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1542.0) internal successors, (4626), 3 states have internal predecessors, (4626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:57,343 INFO L175 Difference]: Start difference. First operand has 151 places, 152 transitions, 316 flow. Second operand 2 states and 1472 transitions. [2022-12-13 11:11:57,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 94 transitions, 284 flow [2022-12-13 11:11:57,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 94 transitions, 276 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 11:11:57,347 INFO L231 Difference]: Finished difference. Result has 93 places, 93 transitions, 189 flow [2022-12-13 11:11:57,349 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1542, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=189, PETRI_PLACES=93, PETRI_TRANSITIONS=93} [2022-12-13 11:11:57,351 INFO L288 CegarLoopForPetriNet]: 151 programPoint places, -58 predicate places. [2022-12-13 11:11:57,351 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 93 transitions, 189 flow [2022-12-13 11:11:57,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 686.5) internal successors, (1373), 2 states have internal predecessors, (1373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:57,352 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:11:57,352 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 11:11:57,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 11:11:57,353 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-12-13 11:11:57,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:11:57,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1554240437, now seen corresponding path program 1 times [2022-12-13 11:11:57,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:11:57,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757619191] [2022-12-13 11:11:57,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:11:57,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:11:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:11:57,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:11:57,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757619191] [2022-12-13 11:11:57,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757619191] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:11:57,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:11:57,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:11:57,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652525837] [2022-12-13 11:11:57,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:11:57,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:11:57,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:11:57,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:11:57,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:11:57,458 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 676 out of 1542 [2022-12-13 11:11:57,462 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 93 transitions, 189 flow. Second operand has 3 states, 3 states have (on average 677.6666666666666) internal successors, (2033), 3 states have internal predecessors, (2033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:57,463 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:11:57,463 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 676 of 1542 [2022-12-13 11:11:57,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:11:57,729 INFO L130 PetriNetUnfolder]: 801/2253 cut-off events. [2022-12-13 11:11:57,729 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-12-13 11:11:57,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3585 conditions, 2253 events. 801/2253 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 16860 event pairs, 672 based on Foata normal form. 0/2060 useless extension candidates. Maximal degree in co-relation 3582. Up to 1313 conditions per place. [2022-12-13 11:11:57,747 INFO L137 encePairwiseOnDemand]: 1539/1542 looper letters, 40 selfloop transitions, 1 changer transitions 0/91 dead transitions. [2022-12-13 11:11:57,747 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 91 transitions, 267 flow [2022-12-13 11:11:57,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:11:57,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:11:57,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2071 transitions. [2022-12-13 11:11:57,750 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.44768698659749245 [2022-12-13 11:11:57,750 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2071 transitions. [2022-12-13 11:11:57,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2071 transitions. [2022-12-13 11:11:57,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:11:57,751 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2071 transitions. [2022-12-13 11:11:57,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 690.3333333333334) internal successors, (2071), 3 states have internal predecessors, (2071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:57,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1542.0) internal successors, (6168), 4 states have internal predecessors, (6168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:57,761 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1542.0) internal successors, (6168), 4 states have internal predecessors, (6168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:57,762 INFO L175 Difference]: Start difference. First operand has 93 places, 93 transitions, 189 flow. Second operand 3 states and 2071 transitions. [2022-12-13 11:11:57,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 91 transitions, 267 flow [2022-12-13 11:11:57,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 91 transitions, 267 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 11:11:57,763 INFO L231 Difference]: Finished difference. Result has 92 places, 91 transitions, 187 flow [2022-12-13 11:11:57,763 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1542, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=187, PETRI_PLACES=92, PETRI_TRANSITIONS=91} [2022-12-13 11:11:57,764 INFO L288 CegarLoopForPetriNet]: 151 programPoint places, -59 predicate places. [2022-12-13 11:11:57,764 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 91 transitions, 187 flow [2022-12-13 11:11:57,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 677.6666666666666) internal successors, (2033), 3 states have internal predecessors, (2033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:57,765 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:11:57,765 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 11:11:57,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 11:11:57,765 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-12-13 11:11:57,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:11:57,766 INFO L85 PathProgramCache]: Analyzing trace with hash -936787599, now seen corresponding path program 1 times [2022-12-13 11:11:57,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:11:57,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712797765] [2022-12-13 11:11:57,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:11:57,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:11:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:11:57,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:11:57,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712797765] [2022-12-13 11:11:57,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712797765] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:11:57,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:11:57,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:11:57,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082426424] [2022-12-13 11:11:57,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:11:57,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:11:57,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:11:57,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:11:57,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:11:57,844 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 671 out of 1542 [2022-12-13 11:11:57,848 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 91 transitions, 187 flow. Second operand has 3 states, 3 states have (on average 673.0) internal successors, (2019), 3 states have internal predecessors, (2019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:57,848 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:11:57,848 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 671 of 1542 [2022-12-13 11:11:57,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:11:58,232 INFO L130 PetriNetUnfolder]: 1355/3563 cut-off events. [2022-12-13 11:11:58,233 INFO L131 PetriNetUnfolder]: For 7/80 co-relation queries the response was YES. [2022-12-13 11:11:58,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5781 conditions, 3563 events. 1355/3563 cut-off events. For 7/80 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 25965 event pairs, 509 based on Foata normal form. 2/3274 useless extension candidates. Maximal degree in co-relation 5777. Up to 1150 conditions per place. [2022-12-13 11:11:58,252 INFO L137 encePairwiseOnDemand]: 1536/1542 looper letters, 67 selfloop transitions, 5 changer transitions 0/121 dead transitions. [2022-12-13 11:11:58,252 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 121 transitions, 392 flow [2022-12-13 11:11:58,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:11:58,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:11:58,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2086 transitions. [2022-12-13 11:11:58,258 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.45092952875054043 [2022-12-13 11:11:58,258 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2086 transitions. [2022-12-13 11:11:58,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2086 transitions. [2022-12-13 11:11:58,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:11:58,259 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2086 transitions. [2022-12-13 11:11:58,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 695.3333333333334) internal successors, (2086), 3 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:58,272 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1542.0) internal successors, (6168), 4 states have internal predecessors, (6168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:58,276 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1542.0) internal successors, (6168), 4 states have internal predecessors, (6168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:58,276 INFO L175 Difference]: Start difference. First operand has 92 places, 91 transitions, 187 flow. Second operand 3 states and 2086 transitions. [2022-12-13 11:11:58,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 121 transitions, 392 flow [2022-12-13 11:11:58,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 121 transitions, 391 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 11:11:58,279 INFO L231 Difference]: Finished difference. Result has 93 places, 92 transitions, 207 flow [2022-12-13 11:11:58,279 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1542, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=207, PETRI_PLACES=93, PETRI_TRANSITIONS=92} [2022-12-13 11:11:58,280 INFO L288 CegarLoopForPetriNet]: 151 programPoint places, -58 predicate places. [2022-12-13 11:11:58,280 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 92 transitions, 207 flow [2022-12-13 11:11:58,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 673.0) internal successors, (2019), 3 states have internal predecessors, (2019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:58,282 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:11:58,282 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:11:58,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 11:11:58,282 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-12-13 11:11:58,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:11:58,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1024376189, now seen corresponding path program 1 times [2022-12-13 11:11:58,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:11:58,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238213518] [2022-12-13 11:11:58,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:11:58,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:11:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:58,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:11:58,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:11:58,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238213518] [2022-12-13 11:11:58,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238213518] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:11:58,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:11:58,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:11:58,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986870186] [2022-12-13 11:11:58,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:11:58,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:11:58,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:11:58,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:11:58,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:11:58,355 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 667 out of 1542 [2022-12-13 11:11:58,356 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 92 transitions, 207 flow. Second operand has 3 states, 3 states have (on average 669.3333333333334) internal successors, (2008), 3 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:58,356 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:11:58,356 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 667 of 1542 [2022-12-13 11:11:58,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:11:58,697 INFO L130 PetriNetUnfolder]: 1450/3578 cut-off events. [2022-12-13 11:11:58,698 INFO L131 PetriNetUnfolder]: For 305/305 co-relation queries the response was YES. [2022-12-13 11:11:58,701 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6248 conditions, 3578 events. 1450/3578 cut-off events. For 305/305 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 25150 event pairs, 452 based on Foata normal form. 0/3392 useless extension candidates. Maximal degree in co-relation 6244. Up to 2207 conditions per place. [2022-12-13 11:11:58,711 INFO L137 encePairwiseOnDemand]: 1534/1542 looper letters, 56 selfloop transitions, 2 changer transitions 0/101 dead transitions. [2022-12-13 11:11:58,711 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 101 transitions, 348 flow [2022-12-13 11:11:58,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:11:58,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:11:58,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2063 transitions. [2022-12-13 11:11:58,716 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.44595763078253353 [2022-12-13 11:11:58,716 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2063 transitions. [2022-12-13 11:11:58,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2063 transitions. [2022-12-13 11:11:58,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:11:58,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2063 transitions. [2022-12-13 11:11:58,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 687.6666666666666) internal successors, (2063), 3 states have internal predecessors, (2063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:58,725 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1542.0) internal successors, (6168), 4 states have internal predecessors, (6168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:58,727 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1542.0) internal successors, (6168), 4 states have internal predecessors, (6168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:58,727 INFO L175 Difference]: Start difference. First operand has 93 places, 92 transitions, 207 flow. Second operand 3 states and 2063 transitions. [2022-12-13 11:11:58,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 101 transitions, 348 flow [2022-12-13 11:11:58,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 101 transitions, 342 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 11:11:58,732 INFO L231 Difference]: Finished difference. Result has 89 places, 88 transitions, 204 flow [2022-12-13 11:11:58,732 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1542, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=89, PETRI_TRANSITIONS=88} [2022-12-13 11:11:58,732 INFO L288 CegarLoopForPetriNet]: 151 programPoint places, -62 predicate places. [2022-12-13 11:11:58,732 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 88 transitions, 204 flow [2022-12-13 11:11:58,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 669.3333333333334) internal successors, (2008), 3 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:58,733 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:11:58,733 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:11:58,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 11:11:58,733 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-12-13 11:11:58,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:11:58,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1803855621, now seen corresponding path program 1 times [2022-12-13 11:11:58,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:11:58,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040844135] [2022-12-13 11:11:58,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:11:58,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:11:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:58,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:11:58,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:11:58,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040844135] [2022-12-13 11:11:58,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040844135] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:11:58,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:11:58,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:11:58,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488910404] [2022-12-13 11:11:58,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:11:58,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:11:58,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:11:58,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:11:58,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:11:58,801 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 671 out of 1542 [2022-12-13 11:11:58,803 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 88 transitions, 204 flow. Second operand has 3 states, 3 states have (on average 673.6666666666666) internal successors, (2021), 3 states have internal predecessors, (2021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:58,803 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:11:58,803 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 671 of 1542 [2022-12-13 11:11:58,803 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:11:59,292 INFO L130 PetriNetUnfolder]: 2467/5583 cut-off events. [2022-12-13 11:11:59,293 INFO L131 PetriNetUnfolder]: For 455/455 co-relation queries the response was YES. [2022-12-13 11:11:59,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10170 conditions, 5583 events. 2467/5583 cut-off events. For 455/455 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 39679 event pairs, 946 based on Foata normal form. 0/5283 useless extension candidates. Maximal degree in co-relation 10165. Up to 2026 conditions per place. [2022-12-13 11:11:59,312 INFO L137 encePairwiseOnDemand]: 1537/1542 looper letters, 76 selfloop transitions, 4 changer transitions 0/122 dead transitions. [2022-12-13 11:11:59,313 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 122 transitions, 452 flow [2022-12-13 11:11:59,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:11:59,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:11:59,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2087 transitions. [2022-12-13 11:11:59,320 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4511456982274103 [2022-12-13 11:11:59,320 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2087 transitions. [2022-12-13 11:11:59,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2087 transitions. [2022-12-13 11:11:59,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:11:59,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2087 transitions. [2022-12-13 11:11:59,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 695.6666666666666) internal successors, (2087), 3 states have internal predecessors, (2087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:59,327 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1542.0) internal successors, (6168), 4 states have internal predecessors, (6168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:59,328 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1542.0) internal successors, (6168), 4 states have internal predecessors, (6168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:59,328 INFO L175 Difference]: Start difference. First operand has 89 places, 88 transitions, 204 flow. Second operand 3 states and 2087 transitions. [2022-12-13 11:11:59,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 122 transitions, 452 flow [2022-12-13 11:11:59,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 122 transitions, 452 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 11:11:59,330 INFO L231 Difference]: Finished difference. Result has 92 places, 89 transitions, 226 flow [2022-12-13 11:11:59,330 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1542, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=92, PETRI_TRANSITIONS=89} [2022-12-13 11:11:59,331 INFO L288 CegarLoopForPetriNet]: 151 programPoint places, -59 predicate places. [2022-12-13 11:11:59,331 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 89 transitions, 226 flow [2022-12-13 11:11:59,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 673.6666666666666) internal successors, (2021), 3 states have internal predecessors, (2021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:59,332 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:11:59,332 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:11:59,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 11:11:59,332 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-12-13 11:11:59,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:11:59,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1702954667, now seen corresponding path program 1 times [2022-12-13 11:11:59,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:11:59,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786996515] [2022-12-13 11:11:59,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:11:59,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:11:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:59,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:11:59,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:11:59,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786996515] [2022-12-13 11:11:59,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786996515] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:11:59,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:11:59,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:11:59,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245514464] [2022-12-13 11:11:59,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:11:59,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:11:59,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:11:59,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:11:59,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:11:59,949 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 673 out of 1542 [2022-12-13 11:11:59,953 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 89 transitions, 226 flow. Second operand has 6 states, 6 states have (on average 674.6666666666666) internal successors, (4048), 6 states have internal predecessors, (4048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:11:59,953 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:11:59,953 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 673 of 1542 [2022-12-13 11:11:59,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:12:01,240 INFO L130 PetriNetUnfolder]: 8479/13639 cut-off events. [2022-12-13 11:12:01,240 INFO L131 PetriNetUnfolder]: For 3261/3261 co-relation queries the response was YES. [2022-12-13 11:12:01,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29406 conditions, 13639 events. 8479/13639 cut-off events. For 3261/3261 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 90541 event pairs, 706 based on Foata normal form. 0/13425 useless extension candidates. Maximal degree in co-relation 29399. Up to 4486 conditions per place. [2022-12-13 11:12:01,279 INFO L137 encePairwiseOnDemand]: 1537/1542 looper letters, 199 selfloop transitions, 4 changer transitions 0/240 dead transitions. [2022-12-13 11:12:01,279 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 240 transitions, 1086 flow [2022-12-13 11:12:01,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:12:01,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 11:12:01,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4212 transitions. [2022-12-13 11:12:01,285 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.45525291828793774 [2022-12-13 11:12:01,285 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4212 transitions. [2022-12-13 11:12:01,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4212 transitions. [2022-12-13 11:12:01,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:12:01,286 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4212 transitions. [2022-12-13 11:12:01,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 702.0) internal successors, (4212), 6 states have internal predecessors, (4212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:01,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1542.0) internal successors, (10794), 7 states have internal predecessors, (10794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:01,300 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1542.0) internal successors, (10794), 7 states have internal predecessors, (10794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:01,301 INFO L175 Difference]: Start difference. First operand has 92 places, 89 transitions, 226 flow. Second operand 6 states and 4212 transitions. [2022-12-13 11:12:01,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 240 transitions, 1086 flow [2022-12-13 11:12:01,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 240 transitions, 1054 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 11:12:01,306 INFO L231 Difference]: Finished difference. Result has 94 places, 88 transitions, 224 flow [2022-12-13 11:12:01,306 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1542, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=224, PETRI_PLACES=94, PETRI_TRANSITIONS=88} [2022-12-13 11:12:01,306 INFO L288 CegarLoopForPetriNet]: 151 programPoint places, -57 predicate places. [2022-12-13 11:12:01,307 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 88 transitions, 224 flow [2022-12-13 11:12:01,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 674.6666666666666) internal successors, (4048), 6 states have internal predecessors, (4048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:01,308 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:12:01,308 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:12:01,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 11:12:01,308 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-12-13 11:12:01,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:12:01,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1238578323, now seen corresponding path program 1 times [2022-12-13 11:12:01,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:12:01,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931768180] [2022-12-13 11:12:01,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:12:01,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:12:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:12:01,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:12:01,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931768180] [2022-12-13 11:12:01,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931768180] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:12:01,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:12:01,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:12:01,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168169040] [2022-12-13 11:12:01,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:12:01,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:12:01,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:12:01,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:12:01,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:12:01,475 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 676 out of 1542 [2022-12-13 11:12:01,478 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 88 transitions, 224 flow. Second operand has 4 states, 4 states have (on average 677.75) internal successors, (2711), 4 states have internal predecessors, (2711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:01,478 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:12:01,478 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 676 of 1542 [2022-12-13 11:12:01,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:12:02,148 INFO L130 PetriNetUnfolder]: 2876/6554 cut-off events. [2022-12-13 11:12:02,149 INFO L131 PetriNetUnfolder]: For 1466/1530 co-relation queries the response was YES. [2022-12-13 11:12:02,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13225 conditions, 6554 events. 2876/6554 cut-off events. For 1466/1530 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 49272 event pairs, 2106 based on Foata normal form. 65/6469 useless extension candidates. Maximal degree in co-relation 13218. Up to 3420 conditions per place. [2022-12-13 11:12:02,172 INFO L137 encePairwiseOnDemand]: 1537/1542 looper letters, 94 selfloop transitions, 5 changer transitions 0/140 dead transitions. [2022-12-13 11:12:02,173 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 140 transitions, 572 flow [2022-12-13 11:12:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 11:12:02,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 11:12:02,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3468 transitions. [2022-12-13 11:12:02,179 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.44980544747081713 [2022-12-13 11:12:02,179 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 3468 transitions. [2022-12-13 11:12:02,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 3468 transitions. [2022-12-13 11:12:02,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:12:02,180 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 3468 transitions. [2022-12-13 11:12:02,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 693.6) internal successors, (3468), 5 states have internal predecessors, (3468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:02,189 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1542.0) internal successors, (9252), 6 states have internal predecessors, (9252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:02,191 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1542.0) internal successors, (9252), 6 states have internal predecessors, (9252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:02,191 INFO L175 Difference]: Start difference. First operand has 94 places, 88 transitions, 224 flow. Second operand 5 states and 3468 transitions. [2022-12-13 11:12:02,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 140 transitions, 572 flow [2022-12-13 11:12:02,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 140 transitions, 561 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 11:12:02,195 INFO L231 Difference]: Finished difference. Result has 97 places, 91 transitions, 255 flow [2022-12-13 11:12:02,195 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1542, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=255, PETRI_PLACES=97, PETRI_TRANSITIONS=91} [2022-12-13 11:12:02,196 INFO L288 CegarLoopForPetriNet]: 151 programPoint places, -54 predicate places. [2022-12-13 11:12:02,196 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 91 transitions, 255 flow [2022-12-13 11:12:02,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 677.75) internal successors, (2711), 4 states have internal predecessors, (2711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:02,196 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:12:02,196 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:12:02,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 11:12:02,197 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-12-13 11:12:02,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:12:02,197 INFO L85 PathProgramCache]: Analyzing trace with hash -280730407, now seen corresponding path program 1 times [2022-12-13 11:12:02,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:12:02,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672175319] [2022-12-13 11:12:02,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:12:02,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:12:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:02,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 11:12:02,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:12:02,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672175319] [2022-12-13 11:12:02,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672175319] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:12:02,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:12:02,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:12:02,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150099794] [2022-12-13 11:12:02,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:12:02,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:12:02,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:12:02,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:12:02,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:12:02,797 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 659 out of 1542 [2022-12-13 11:12:02,800 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 91 transitions, 255 flow. Second operand has 6 states, 6 states have (on average 661.1666666666666) internal successors, (3967), 6 states have internal predecessors, (3967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:02,800 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:12:02,800 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 659 of 1542 [2022-12-13 11:12:02,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:12:03,798 INFO L130 PetriNetUnfolder]: 4596/8628 cut-off events. [2022-12-13 11:12:03,798 INFO L131 PetriNetUnfolder]: For 1438/1438 co-relation queries the response was YES. [2022-12-13 11:12:03,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18028 conditions, 8628 events. 4596/8628 cut-off events. For 1438/1438 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 55920 event pairs, 1340 based on Foata normal form. 0/8590 useless extension candidates. Maximal degree in co-relation 18019. Up to 3888 conditions per place. [2022-12-13 11:12:03,835 INFO L137 encePairwiseOnDemand]: 1534/1542 looper letters, 141 selfloop transitions, 5 changer transitions 0/172 dead transitions. [2022-12-13 11:12:03,835 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 172 transitions, 761 flow [2022-12-13 11:12:03,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:12:03,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 11:12:03,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4086 transitions. [2022-12-13 11:12:03,844 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.44163424124513617 [2022-12-13 11:12:03,844 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4086 transitions. [2022-12-13 11:12:03,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4086 transitions. [2022-12-13 11:12:03,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:12:03,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4086 transitions. [2022-12-13 11:12:03,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 681.0) internal successors, (4086), 6 states have internal predecessors, (4086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:03,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1542.0) internal successors, (10794), 7 states have internal predecessors, (10794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:03,879 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1542.0) internal successors, (10794), 7 states have internal predecessors, (10794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:03,879 INFO L175 Difference]: Start difference. First operand has 97 places, 91 transitions, 255 flow. Second operand 6 states and 4086 transitions. [2022-12-13 11:12:03,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 172 transitions, 761 flow [2022-12-13 11:12:03,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 172 transitions, 759 flow, removed 1 selfloop flow, removed 0 redundant places. [2022-12-13 11:12:03,885 INFO L231 Difference]: Finished difference. Result has 99 places, 88 transitions, 257 flow [2022-12-13 11:12:03,886 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1542, PETRI_DIFFERENCE_MINUEND_FLOW=247, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=257, PETRI_PLACES=99, PETRI_TRANSITIONS=88} [2022-12-13 11:12:03,886 INFO L288 CegarLoopForPetriNet]: 151 programPoint places, -52 predicate places. [2022-12-13 11:12:03,887 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 88 transitions, 257 flow [2022-12-13 11:12:03,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 661.1666666666666) internal successors, (3967), 6 states have internal predecessors, (3967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:03,888 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:12:03,888 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:12:03,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 11:12:03,888 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-12-13 11:12:03,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:12:03,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1905099868, now seen corresponding path program 1 times [2022-12-13 11:12:03,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:12:03,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816023245] [2022-12-13 11:12:03,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:12:03,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:12:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:04,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:12:04,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:12:04,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816023245] [2022-12-13 11:12:04,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816023245] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:12:04,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:12:04,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:12:04,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217661177] [2022-12-13 11:12:04,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:12:04,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:12:04,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:12:04,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:12:04,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:12:04,554 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 659 out of 1542 [2022-12-13 11:12:04,557 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 88 transitions, 257 flow. Second operand has 6 states, 6 states have (on average 661.3333333333334) internal successors, (3968), 6 states have internal predecessors, (3968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:04,557 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:12:04,558 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 659 of 1542 [2022-12-13 11:12:04,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:12:05,549 INFO L130 PetriNetUnfolder]: 4396/8104 cut-off events. [2022-12-13 11:12:05,549 INFO L131 PetriNetUnfolder]: For 1939/1971 co-relation queries the response was YES. [2022-12-13 11:12:05,561 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17778 conditions, 8104 events. 4396/8104 cut-off events. For 1939/1971 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 52935 event pairs, 1164 based on Foata normal form. 1/8050 useless extension candidates. Maximal degree in co-relation 17768. Up to 3892 conditions per place. [2022-12-13 11:12:05,582 INFO L137 encePairwiseOnDemand]: 1534/1542 looper letters, 143 selfloop transitions, 5 changer transitions 0/173 dead transitions. [2022-12-13 11:12:05,582 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 173 transitions, 839 flow [2022-12-13 11:12:05,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:12:05,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 11:12:05,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4084 transitions. [2022-12-13 11:12:05,596 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4414180717682663 [2022-12-13 11:12:05,596 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4084 transitions. [2022-12-13 11:12:05,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4084 transitions. [2022-12-13 11:12:05,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:12:05,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4084 transitions. [2022-12-13 11:12:05,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 680.6666666666666) internal successors, (4084), 6 states have internal predecessors, (4084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:05,634 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1542.0) internal successors, (10794), 7 states have internal predecessors, (10794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:05,635 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1542.0) internal successors, (10794), 7 states have internal predecessors, (10794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:05,635 INFO L175 Difference]: Start difference. First operand has 99 places, 88 transitions, 257 flow. Second operand 6 states and 4084 transitions. [2022-12-13 11:12:05,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 173 transitions, 839 flow [2022-12-13 11:12:05,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 173 transitions, 821 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 11:12:05,639 INFO L231 Difference]: Finished difference. Result has 96 places, 85 transitions, 251 flow [2022-12-13 11:12:05,639 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1542, PETRI_DIFFERENCE_MINUEND_FLOW=241, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=251, PETRI_PLACES=96, PETRI_TRANSITIONS=85} [2022-12-13 11:12:05,639 INFO L288 CegarLoopForPetriNet]: 151 programPoint places, -55 predicate places. [2022-12-13 11:12:05,639 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 85 transitions, 251 flow [2022-12-13 11:12:05,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 661.3333333333334) internal successors, (3968), 6 states have internal predecessors, (3968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:05,640 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:12:05,640 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:12:05,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 11:12:05,640 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-12-13 11:12:05,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:12:05,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1734981018, now seen corresponding path program 1 times [2022-12-13 11:12:05,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:12:05,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614768281] [2022-12-13 11:12:05,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:12:05,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:12:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:05,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:12:05,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:12:05,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614768281] [2022-12-13 11:12:05,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614768281] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:12:05,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:12:05,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:12:05,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320774428] [2022-12-13 11:12:05,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:12:05,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:12:05,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:12:05,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:12:05,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:12:06,133 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 673 out of 1542 [2022-12-13 11:12:06,136 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 85 transitions, 251 flow. Second operand has 6 states, 6 states have (on average 675.5) internal successors, (4053), 6 states have internal predecessors, (4053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:06,136 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:12:06,136 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 673 of 1542 [2022-12-13 11:12:06,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:12:06,887 INFO L130 PetriNetUnfolder]: 3148/6782 cut-off events. [2022-12-13 11:12:06,887 INFO L131 PetriNetUnfolder]: For 1345/1377 co-relation queries the response was YES. [2022-12-13 11:12:06,899 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14174 conditions, 6782 events. 3148/6782 cut-off events. For 1345/1377 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 48638 event pairs, 2294 based on Foata normal form. 0/6704 useless extension candidates. Maximal degree in co-relation 14164. Up to 4541 conditions per place. [2022-12-13 11:12:06,915 INFO L137 encePairwiseOnDemand]: 1537/1542 looper letters, 114 selfloop transitions, 4 changer transitions 12/160 dead transitions. [2022-12-13 11:12:06,915 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 160 transitions, 737 flow [2022-12-13 11:12:06,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:12:06,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 11:12:06,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4148 transitions. [2022-12-13 11:12:06,928 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.44833549502810205 [2022-12-13 11:12:06,928 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4148 transitions. [2022-12-13 11:12:06,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4148 transitions. [2022-12-13 11:12:06,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:12:06,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4148 transitions. [2022-12-13 11:12:06,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 691.3333333333334) internal successors, (4148), 6 states have internal predecessors, (4148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:06,951 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1542.0) internal successors, (10794), 7 states have internal predecessors, (10794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:06,953 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1542.0) internal successors, (10794), 7 states have internal predecessors, (10794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:06,953 INFO L175 Difference]: Start difference. First operand has 96 places, 85 transitions, 251 flow. Second operand 6 states and 4148 transitions. [2022-12-13 11:12:06,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 160 transitions, 737 flow [2022-12-13 11:12:06,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 160 transitions, 711 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 11:12:06,960 INFO L231 Difference]: Finished difference. Result has 95 places, 84 transitions, 247 flow [2022-12-13 11:12:06,960 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1542, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=247, PETRI_PLACES=95, PETRI_TRANSITIONS=84} [2022-12-13 11:12:06,961 INFO L288 CegarLoopForPetriNet]: 151 programPoint places, -56 predicate places. [2022-12-13 11:12:06,961 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 84 transitions, 247 flow [2022-12-13 11:12:06,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 675.5) internal successors, (4053), 6 states have internal predecessors, (4053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:06,962 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:12:06,962 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:12:06,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 11:12:06,962 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-12-13 11:12:06,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:12:06,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1861021134, now seen corresponding path program 1 times [2022-12-13 11:12:06,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:12:06,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892059963] [2022-12-13 11:12:06,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:12:06,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:12:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:07,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:12:07,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:12:07,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892059963] [2022-12-13 11:12:07,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892059963] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:12:07,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:12:07,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:12:07,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985890916] [2022-12-13 11:12:07,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:12:07,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:12:07,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:12:07,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:12:07,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:12:07,031 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 666 out of 1542 [2022-12-13 11:12:07,033 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 84 transitions, 247 flow. Second operand has 3 states, 3 states have (on average 671.0) internal successors, (2013), 3 states have internal predecessors, (2013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:07,033 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:12:07,033 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 666 of 1542 [2022-12-13 11:12:07,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:12:07,703 INFO L130 PetriNetUnfolder]: 2959/6411 cut-off events. [2022-12-13 11:12:07,703 INFO L131 PetriNetUnfolder]: For 1197/1229 co-relation queries the response was YES. [2022-12-13 11:12:07,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12988 conditions, 6411 events. 2959/6411 cut-off events. For 1197/1229 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 45196 event pairs, 2252 based on Foata normal form. 0/6335 useless extension candidates. Maximal degree in co-relation 12978. Up to 4488 conditions per place. [2022-12-13 11:12:07,720 INFO L137 encePairwiseOnDemand]: 1538/1542 looper letters, 57 selfloop transitions, 3 changer transitions 17/106 dead transitions. [2022-12-13 11:12:07,720 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 106 transitions, 466 flow [2022-12-13 11:12:07,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:12:07,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:12:07,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2060 transitions. [2022-12-13 11:12:07,723 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4453091223519239 [2022-12-13 11:12:07,723 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2060 transitions. [2022-12-13 11:12:07,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2060 transitions. [2022-12-13 11:12:07,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:12:07,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2060 transitions. [2022-12-13 11:12:07,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 686.6666666666666) internal successors, (2060), 3 states have internal predecessors, (2060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:07,728 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1542.0) internal successors, (6168), 4 states have internal predecessors, (6168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:07,728 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1542.0) internal successors, (6168), 4 states have internal predecessors, (6168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:07,728 INFO L175 Difference]: Start difference. First operand has 95 places, 84 transitions, 247 flow. Second operand 3 states and 2060 transitions. [2022-12-13 11:12:07,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 106 transitions, 466 flow [2022-12-13 11:12:07,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 106 transitions, 457 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 11:12:07,731 INFO L231 Difference]: Finished difference. Result has 93 places, 73 transitions, 203 flow [2022-12-13 11:12:07,731 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1542, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=203, PETRI_PLACES=93, PETRI_TRANSITIONS=73} [2022-12-13 11:12:07,731 INFO L288 CegarLoopForPetriNet]: 151 programPoint places, -58 predicate places. [2022-12-13 11:12:07,731 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 73 transitions, 203 flow [2022-12-13 11:12:07,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 671.0) internal successors, (2013), 3 states have internal predecessors, (2013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:07,732 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:12:07,732 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:12:07,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 11:12:07,732 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-12-13 11:12:07,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:12:07,732 INFO L85 PathProgramCache]: Analyzing trace with hash -131922185, now seen corresponding path program 1 times [2022-12-13 11:12:07,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:12:07,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267920902] [2022-12-13 11:12:07,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:12:07,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:12:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:07,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 11:12:07,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:12:07,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267920902] [2022-12-13 11:12:07,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267920902] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:12:07,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:12:07,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:12:07,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533674927] [2022-12-13 11:12:07,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:12:07,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:12:07,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:12:07,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:12:07,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:12:07,782 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 666 out of 1542 [2022-12-13 11:12:07,784 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 73 transitions, 203 flow. Second operand has 3 states, 3 states have (on average 670.3333333333334) internal successors, (2011), 3 states have internal predecessors, (2011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:07,784 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:12:07,784 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 666 of 1542 [2022-12-13 11:12:07,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:12:08,228 INFO L130 PetriNetUnfolder]: 2296/4725 cut-off events. [2022-12-13 11:12:08,228 INFO L131 PetriNetUnfolder]: For 716/716 co-relation queries the response was YES. [2022-12-13 11:12:08,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9579 conditions, 4725 events. 2296/4725 cut-off events. For 716/716 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 30504 event pairs, 1717 based on Foata normal form. 0/4633 useless extension candidates. Maximal degree in co-relation 9569. Up to 3382 conditions per place. [2022-12-13 11:12:08,236 INFO L137 encePairwiseOnDemand]: 1538/1542 looper letters, 0 selfloop transitions, 0 changer transitions 95/95 dead transitions. [2022-12-13 11:12:08,236 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 95 transitions, 402 flow [2022-12-13 11:12:08,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:12:08,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:12:08,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2056 transitions. [2022-12-13 11:12:08,238 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4444444444444444 [2022-12-13 11:12:08,238 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2056 transitions. [2022-12-13 11:12:08,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2056 transitions. [2022-12-13 11:12:08,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:12:08,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2056 transitions. [2022-12-13 11:12:08,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 685.3333333333334) internal successors, (2056), 3 states have internal predecessors, (2056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:08,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1542.0) internal successors, (6168), 4 states have internal predecessors, (6168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:08,246 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1542.0) internal successors, (6168), 4 states have internal predecessors, (6168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:08,246 INFO L175 Difference]: Start difference. First operand has 93 places, 73 transitions, 203 flow. Second operand 3 states and 2056 transitions. [2022-12-13 11:12:08,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 95 transitions, 402 flow [2022-12-13 11:12:08,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 95 transitions, 391 flow, removed 1 selfloop flow, removed 4 redundant places. [2022-12-13 11:12:08,250 INFO L231 Difference]: Finished difference. Result has 79 places, 0 transitions, 0 flow [2022-12-13 11:12:08,251 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1542, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=79, PETRI_TRANSITIONS=0} [2022-12-13 11:12:08,251 INFO L288 CegarLoopForPetriNet]: 151 programPoint places, -72 predicate places. [2022-12-13 11:12:08,251 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 0 transitions, 0 flow [2022-12-13 11:12:08,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 670.3333333333334) internal successors, (2011), 3 states have internal predecessors, (2011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:12:08,254 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (124 of 125 remaining) [2022-12-13 11:12:08,254 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (123 of 125 remaining) [2022-12-13 11:12:08,254 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (122 of 125 remaining) [2022-12-13 11:12:08,254 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (121 of 125 remaining) [2022-12-13 11:12:08,254 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (120 of 125 remaining) [2022-12-13 11:12:08,254 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (119 of 125 remaining) [2022-12-13 11:12:08,254 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (118 of 125 remaining) [2022-12-13 11:12:08,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (117 of 125 remaining) [2022-12-13 11:12:08,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (116 of 125 remaining) [2022-12-13 11:12:08,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (115 of 125 remaining) [2022-12-13 11:12:08,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (114 of 125 remaining) [2022-12-13 11:12:08,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (113 of 125 remaining) [2022-12-13 11:12:08,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (112 of 125 remaining) [2022-12-13 11:12:08,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (111 of 125 remaining) [2022-12-13 11:12:08,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (110 of 125 remaining) [2022-12-13 11:12:08,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (109 of 125 remaining) [2022-12-13 11:12:08,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (108 of 125 remaining) [2022-12-13 11:12:08,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (107 of 125 remaining) [2022-12-13 11:12:08,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (106 of 125 remaining) [2022-12-13 11:12:08,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (105 of 125 remaining) [2022-12-13 11:12:08,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (104 of 125 remaining) [2022-12-13 11:12:08,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (103 of 125 remaining) [2022-12-13 11:12:08,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (102 of 125 remaining) [2022-12-13 11:12:08,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (101 of 125 remaining) [2022-12-13 11:12:08,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (100 of 125 remaining) [2022-12-13 11:12:08,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (99 of 125 remaining) [2022-12-13 11:12:08,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (98 of 125 remaining) [2022-12-13 11:12:08,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (97 of 125 remaining) [2022-12-13 11:12:08,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (96 of 125 remaining) [2022-12-13 11:12:08,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (95 of 125 remaining) [2022-12-13 11:12:08,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (94 of 125 remaining) [2022-12-13 11:12:08,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (93 of 125 remaining) [2022-12-13 11:12:08,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (92 of 125 remaining) [2022-12-13 11:12:08,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (91 of 125 remaining) [2022-12-13 11:12:08,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (90 of 125 remaining) [2022-12-13 11:12:08,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (89 of 125 remaining) [2022-12-13 11:12:08,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (88 of 125 remaining) [2022-12-13 11:12:08,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (87 of 125 remaining) [2022-12-13 11:12:08,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (86 of 125 remaining) [2022-12-13 11:12:08,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (85 of 125 remaining) [2022-12-13 11:12:08,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (84 of 125 remaining) [2022-12-13 11:12:08,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (83 of 125 remaining) [2022-12-13 11:12:08,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (82 of 125 remaining) [2022-12-13 11:12:08,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (81 of 125 remaining) [2022-12-13 11:12:08,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (80 of 125 remaining) [2022-12-13 11:12:08,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (79 of 125 remaining) [2022-12-13 11:12:08,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (78 of 125 remaining) [2022-12-13 11:12:08,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (77 of 125 remaining) [2022-12-13 11:12:08,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (76 of 125 remaining) [2022-12-13 11:12:08,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (75 of 125 remaining) [2022-12-13 11:12:08,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (74 of 125 remaining) [2022-12-13 11:12:08,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (73 of 125 remaining) [2022-12-13 11:12:08,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (72 of 125 remaining) [2022-12-13 11:12:08,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (71 of 125 remaining) [2022-12-13 11:12:08,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (70 of 125 remaining) [2022-12-13 11:12:08,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (69 of 125 remaining) [2022-12-13 11:12:08,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (68 of 125 remaining) [2022-12-13 11:12:08,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (67 of 125 remaining) [2022-12-13 11:12:08,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (66 of 125 remaining) [2022-12-13 11:12:08,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (65 of 125 remaining) [2022-12-13 11:12:08,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (64 of 125 remaining) [2022-12-13 11:12:08,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (63 of 125 remaining) [2022-12-13 11:12:08,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (62 of 125 remaining) [2022-12-13 11:12:08,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (61 of 125 remaining) [2022-12-13 11:12:08,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (60 of 125 remaining) [2022-12-13 11:12:08,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (59 of 125 remaining) [2022-12-13 11:12:08,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (58 of 125 remaining) [2022-12-13 11:12:08,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (57 of 125 remaining) [2022-12-13 11:12:08,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (56 of 125 remaining) [2022-12-13 11:12:08,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (55 of 125 remaining) [2022-12-13 11:12:08,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (54 of 125 remaining) [2022-12-13 11:12:08,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (53 of 125 remaining) [2022-12-13 11:12:08,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (52 of 125 remaining) [2022-12-13 11:12:08,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (51 of 125 remaining) [2022-12-13 11:12:08,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (50 of 125 remaining) [2022-12-13 11:12:08,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 125 remaining) [2022-12-13 11:12:08,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 125 remaining) [2022-12-13 11:12:08,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 125 remaining) [2022-12-13 11:12:08,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (46 of 125 remaining) [2022-12-13 11:12:08,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (45 of 125 remaining) [2022-12-13 11:12:08,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (44 of 125 remaining) [2022-12-13 11:12:08,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (43 of 125 remaining) [2022-12-13 11:12:08,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (42 of 125 remaining) [2022-12-13 11:12:08,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (41 of 125 remaining) [2022-12-13 11:12:08,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (40 of 125 remaining) [2022-12-13 11:12:08,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (39 of 125 remaining) [2022-12-13 11:12:08,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (38 of 125 remaining) [2022-12-13 11:12:08,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (37 of 125 remaining) [2022-12-13 11:12:08,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (36 of 125 remaining) [2022-12-13 11:12:08,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (35 of 125 remaining) [2022-12-13 11:12:08,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (34 of 125 remaining) [2022-12-13 11:12:08,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (33 of 125 remaining) [2022-12-13 11:12:08,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (32 of 125 remaining) [2022-12-13 11:12:08,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (31 of 125 remaining) [2022-12-13 11:12:08,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (30 of 125 remaining) [2022-12-13 11:12:08,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (29 of 125 remaining) [2022-12-13 11:12:08,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (28 of 125 remaining) [2022-12-13 11:12:08,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (27 of 125 remaining) [2022-12-13 11:12:08,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (26 of 125 remaining) [2022-12-13 11:12:08,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (25 of 125 remaining) [2022-12-13 11:12:08,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (24 of 125 remaining) [2022-12-13 11:12:08,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 125 remaining) [2022-12-13 11:12:08,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (22 of 125 remaining) [2022-12-13 11:12:08,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (21 of 125 remaining) [2022-12-13 11:12:08,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (20 of 125 remaining) [2022-12-13 11:12:08,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 125 remaining) [2022-12-13 11:12:08,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 125 remaining) [2022-12-13 11:12:08,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 125 remaining) [2022-12-13 11:12:08,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (16 of 125 remaining) [2022-12-13 11:12:08,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (15 of 125 remaining) [2022-12-13 11:12:08,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (14 of 125 remaining) [2022-12-13 11:12:08,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (13 of 125 remaining) [2022-12-13 11:12:08,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (12 of 125 remaining) [2022-12-13 11:12:08,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 125 remaining) [2022-12-13 11:12:08,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (10 of 125 remaining) [2022-12-13 11:12:08,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 125 remaining) [2022-12-13 11:12:08,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (8 of 125 remaining) [2022-12-13 11:12:08,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (7 of 125 remaining) [2022-12-13 11:12:08,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (6 of 125 remaining) [2022-12-13 11:12:08,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (5 of 125 remaining) [2022-12-13 11:12:08,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (4 of 125 remaining) [2022-12-13 11:12:08,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (3 of 125 remaining) [2022-12-13 11:12:08,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (2 of 125 remaining) [2022-12-13 11:12:08,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (1 of 125 remaining) [2022-12-13 11:12:08,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (0 of 125 remaining) [2022-12-13 11:12:08,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 11:12:08,267 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:12:08,273 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 11:12:08,273 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:12:08,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:12:08 BasicIcfg [2022-12-13 11:12:08,276 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:12:08,277 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:12:08,277 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:12:08,277 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:12:08,277 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:11:43" (3/4) ... [2022-12-13 11:12:08,279 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 11:12:08,284 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 11:12:08,284 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 11:12:08,291 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-12-13 11:12:08,292 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 11:12:08,293 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 11:12:08,293 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 11:12:08,327 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb3e593-a1ec-49e2-a719-e91f9a2f5220/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 11:12:08,328 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:12:08,328 INFO L158 Benchmark]: Toolchain (without parser) took 25846.60ms. Allocated memory was 142.6MB in the beginning and 906.0MB in the end (delta: 763.4MB). Free memory was 98.7MB in the beginning and 437.3MB in the end (delta: -338.6MB). Peak memory consumption was 426.1MB. Max. memory is 16.1GB. [2022-12-13 11:12:08,328 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 142.6MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:12:08,329 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.31ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 85.2MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 11:12:08,329 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.50ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 81.4MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:12:08,329 INFO L158 Benchmark]: Boogie Preprocessor took 46.14ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 78.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 11:12:08,330 INFO L158 Benchmark]: RCFGBuilder took 759.16ms. Allocated memory was 142.6MB in the beginning and 184.5MB in the end (delta: 41.9MB). Free memory was 78.2MB in the beginning and 134.7MB in the end (delta: -56.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-13 11:12:08,330 INFO L158 Benchmark]: TraceAbstraction took 24667.22ms. Allocated memory was 184.5MB in the beginning and 906.0MB in the end (delta: 721.4MB). Free memory was 133.7MB in the beginning and 442.6MB in the end (delta: -308.9MB). Peak memory consumption was 694.5MB. Max. memory is 16.1GB. [2022-12-13 11:12:08,330 INFO L158 Benchmark]: Witness Printer took 50.82ms. Allocated memory is still 906.0MB. Free memory was 442.6MB in the beginning and 437.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 11:12:08,332 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 142.6MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.31ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 85.2MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.50ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 81.4MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.14ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 78.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 759.16ms. Allocated memory was 142.6MB in the beginning and 184.5MB in the end (delta: 41.9MB). Free memory was 78.2MB in the beginning and 134.7MB in the end (delta: -56.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 24667.22ms. Allocated memory was 184.5MB in the beginning and 906.0MB in the end (delta: 721.4MB). Free memory was 133.7MB in the beginning and 442.6MB in the end (delta: -308.9MB). Peak memory consumption was 694.5MB. Max. memory is 16.1GB. * Witness Printer took 50.82ms. Allocated memory is still 906.0MB. Free memory was 442.6MB in the beginning and 437.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.9s, 669 PlacesBefore, 151 PlacesAfterwards, 694 TransitionsBefore, 152 TransitionsAfterwards, 112268 CoEnabledTransitionPairs, 10 FixpointIterations, 276 TrivialSequentialCompositions, 439 ConcurrentSequentialCompositions, 24 TrivialYvCompositions, 65 ConcurrentYvCompositions, 24 ChoiceCompositions, 828 TotalNumberOfCompositions, 250500 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 108969, independent: 107304, independent conditional: 0, independent unconditional: 107304, dependent: 1665, dependent conditional: 0, dependent unconditional: 1665, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 63258, independent: 62977, independent conditional: 0, independent unconditional: 62977, dependent: 281, dependent conditional: 0, dependent unconditional: 281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 108969, independent: 44327, independent conditional: 0, independent unconditional: 44327, dependent: 1384, dependent conditional: 0, dependent unconditional: 1384, unknown: 63258, unknown conditional: 0, unknown unconditional: 63258] , Statistics on independence cache: Total cache size (in pairs): 1730, Positive cache size: 1592, Positive conditional cache size: 0, Positive unconditional cache size: 1592, Negative cache size: 138, Negative conditional cache size: 0, Negative unconditional cache size: 138, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: 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: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: 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: 75]: 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: 75]: 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: 75]: 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: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 91]: 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: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 1106 locations, 125 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: 24.5s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1822 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1101 mSDsluCounter, 207 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 27 mSDsCounter, 680 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3478 IncrementalHoareTripleChecker+Invalid, 4158 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 680 mSolverCounterUnsat, 180 mSDtfsCounter, 3478 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=316occurred in iteration=0, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 130 ConstructedInterpolants, 0 QuantifiedInterpolants, 546 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 2/2 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 75 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 11:12:08,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cb3e593-a1ec-49e2-a719-e91f9a2f5220/bin/uautomizer-uyxdKDjOR8/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