./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a2a666-f8d6-4bc1-82af-cc229ed24be9/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a2a666-f8d6-4bc1-82af-cc229ed24be9/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a2a666-f8d6-4bc1-82af-cc229ed24be9/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a2a666-f8d6-4bc1-82af-cc229ed24be9/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a2a666-f8d6-4bc1-82af-cc229ed24be9/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a2a666-f8d6-4bc1-82af-cc229ed24be9/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b71c523f20411078d17c9943b891d34ddfc00131917c4009fb579cdffacef23c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:13:56,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:13:56,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:13:56,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:13:56,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:13:56,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:13:56,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:13:56,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:13:56,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:13:56,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:13:56,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:13:56,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:13:56,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:13:56,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:13:56,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:13:56,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:13:56,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:13:56,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:13:56,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:13:56,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:13:56,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:13:56,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:13:56,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:13:56,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:13:56,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:13:56,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:13:56,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:13:56,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:13:56,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:13:56,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:13:56,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:13:56,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:13:56,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:13:56,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:13:56,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:13:56,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:13:56,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:13:56,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:13:56,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:13:56,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:13:56,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:13:56,538 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a2a666-f8d6-4bc1-82af-cc229ed24be9/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 11:13:56,580 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:13:56,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:13:56,581 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:13:56,581 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:13:56,583 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:13:56,583 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:13:56,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:13:56,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:13:56,585 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:13:56,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:13:56,586 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:13:56,587 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:13:56,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:13:56,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:13:56,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:13:56,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:13:56,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:13:56,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:13:56,589 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 11:13:56,589 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:13:56,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:13:56,590 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:13:56,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:13:56,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:13:56,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:13:56,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:13:56,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:13:56,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:13:56,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:13:56,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:13:56,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:13:56,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:13:56,595 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:13:56,595 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:13:56,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:13:56,596 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a2a666-f8d6-4bc1-82af-cc229ed24be9/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a2a666-f8d6-4bc1-82af-cc229ed24be9/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b71c523f20411078d17c9943b891d34ddfc00131917c4009fb579cdffacef23c [2022-11-16 11:13:56,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:13:56,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:13:56,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:13:56,937 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:13:56,938 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:13:56,940 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a2a666-f8d6-4bc1-82af-cc229ed24be9/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2022-11-16 11:13:57,007 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a2a666-f8d6-4bc1-82af-cc229ed24be9/bin/uautomizer-tPACEb0tL8/data/54cf48997/ca599ec4849f43778c0471d96ebde3e5/FLAG7338d53d8 [2022-11-16 11:13:57,615 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:13:57,623 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a2a666-f8d6-4bc1-82af-cc229ed24be9/sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2022-11-16 11:13:57,649 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a2a666-f8d6-4bc1-82af-cc229ed24be9/bin/uautomizer-tPACEb0tL8/data/54cf48997/ca599ec4849f43778c0471d96ebde3e5/FLAG7338d53d8 [2022-11-16 11:13:57,861 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a2a666-f8d6-4bc1-82af-cc229ed24be9/bin/uautomizer-tPACEb0tL8/data/54cf48997/ca599ec4849f43778c0471d96ebde3e5 [2022-11-16 11:13:57,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:13:57,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:13:57,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:13:57,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:13:57,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:13:57,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:13:57" (1/1) ... [2022-11-16 11:13:57,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44b93e11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:57, skipping insertion in model container [2022-11-16 11:13:57,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:13:57" (1/1) ... [2022-11-16 11:13:57,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:13:57,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:13:58,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:13:58,611 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:13:58,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:13:58,746 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:13:58,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:58 WrapperNode [2022-11-16 11:13:58,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:13:58,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:13:58,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:13:58,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:13:58,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:58" (1/1) ... [2022-11-16 11:13:58,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:58" (1/1) ... [2022-11-16 11:13:58,826 INFO L138 Inliner]: procedures = 263, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 84 [2022-11-16 11:13:58,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:13:58,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:13:58,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:13:58,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:13:58,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:58" (1/1) ... [2022-11-16 11:13:58,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:58" (1/1) ... [2022-11-16 11:13:58,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:58" (1/1) ... [2022-11-16 11:13:58,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:58" (1/1) ... [2022-11-16 11:13:58,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:58" (1/1) ... [2022-11-16 11:13:58,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:58" (1/1) ... [2022-11-16 11:13:58,856 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:58" (1/1) ... [2022-11-16 11:13:58,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:58" (1/1) ... [2022-11-16 11:13:58,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:13:58,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:13:58,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:13:58,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:13:58,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:58" (1/1) ... [2022-11-16 11:13:58,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:13:58,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a2a666-f8d6-4bc1-82af-cc229ed24be9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:13:58,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a2a666-f8d6-4bc1-82af-cc229ed24be9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:13:58,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a2a666-f8d6-4bc1-82af-cc229ed24be9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:13:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:13:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:13:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:13:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:13:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 11:13:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:13:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-16 11:13:58,974 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-16 11:13:58,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:13:58,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:13:58,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:13:58,976 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:13:59,142 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:13:59,148 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:13:59,462 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:13:59,470 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:13:59,470 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:13:59,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:13:59 BoogieIcfgContainer [2022-11-16 11:13:59,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:13:59,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:13:59,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:13:59,482 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:13:59,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:13:57" (1/3) ... [2022-11-16 11:13:59,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a14dc7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:13:59, skipping insertion in model container [2022-11-16 11:13:59,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:58" (2/3) ... [2022-11-16 11:13:59,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a14dc7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:13:59, skipping insertion in model container [2022-11-16 11:13:59,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:13:59" (3/3) ... [2022-11-16 11:13:59,485 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_46-escape_nr.i [2022-11-16 11:13:59,499 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:13:59,511 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:13:59,511 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-16 11:13:59,512 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:13:59,614 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-16 11:13:59,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 117 transitions, 242 flow [2022-11-16 11:13:59,709 INFO L130 PetriNetUnfolder]: 1/116 cut-off events. [2022-11-16 11:13:59,709 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 11:13:59,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 116 events. 1/116 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 93 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 6. Up to 2 conditions per place. [2022-11-16 11:13:59,713 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 117 transitions, 242 flow [2022-11-16 11:13:59,718 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 99 transitions, 201 flow [2022-11-16 11:13:59,728 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:13:59,734 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;@536f9bdb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:13:59,735 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-11-16 11:13:59,744 INFO L130 PetriNetUnfolder]: 0/34 cut-off events. [2022-11-16 11:13:59,744 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:13:59,744 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:13:59,745 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:13:59,746 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-16 11:13:59,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:13:59,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1750203202, now seen corresponding path program 1 times [2022-11-16 11:13:59,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:13:59,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812181654] [2022-11-16 11:13:59,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:13:59,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:13:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:00,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:14:00,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:14:00,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812181654] [2022-11-16 11:14:00,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812181654] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:14:00,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:14:00,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:14:00,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073083271] [2022-11-16 11:14:00,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:14:00,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:14:00,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:14:00,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:14:00,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:14:00,810 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 117 [2022-11-16 11:14:00,813 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 99 transitions, 201 flow. Second operand has 6 states, 6 states have (on average 70.5) internal successors, (423), 6 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:00,814 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:14:00,814 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 117 [2022-11-16 11:14:00,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:14:01,357 INFO L130 PetriNetUnfolder]: 263/805 cut-off events. [2022-11-16 11:14:01,357 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 11:14:01,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1384 conditions, 805 events. 263/805 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 4189 event pairs, 113 based on Foata normal form. 0/719 useless extension candidates. Maximal degree in co-relation 1328. Up to 418 conditions per place. [2022-11-16 11:14:01,370 INFO L137 encePairwiseOnDemand]: 101/117 looper letters, 57 selfloop transitions, 23 changer transitions 0/136 dead transitions. [2022-11-16 11:14:01,371 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 136 transitions, 435 flow [2022-11-16 11:14:01,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:14:01,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:14:01,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 496 transitions. [2022-11-16 11:14:01,396 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7065527065527065 [2022-11-16 11:14:01,397 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 496 transitions. [2022-11-16 11:14:01,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 496 transitions. [2022-11-16 11:14:01,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:14:01,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 496 transitions. [2022-11-16 11:14:01,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 82.66666666666667) internal successors, (496), 6 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:01,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:01,424 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:01,425 INFO L175 Difference]: Start difference. First operand has 103 places, 99 transitions, 201 flow. Second operand 6 states and 496 transitions. [2022-11-16 11:14:01,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 136 transitions, 435 flow [2022-11-16 11:14:01,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 136 transitions, 434 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:14:01,433 INFO L231 Difference]: Finished difference. Result has 111 places, 117 transitions, 350 flow [2022-11-16 11:14:01,435 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=350, PETRI_PLACES=111, PETRI_TRANSITIONS=117} [2022-11-16 11:14:01,439 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 8 predicate places. [2022-11-16 11:14:01,439 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 117 transitions, 350 flow [2022-11-16 11:14:01,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 70.5) internal successors, (423), 6 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:01,440 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:14:01,440 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:14:01,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:14:01,441 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-16 11:14:01,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:14:01,441 INFO L85 PathProgramCache]: Analyzing trace with hash 331280400, now seen corresponding path program 1 times [2022-11-16 11:14:01,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:14:01,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079745945] [2022-11-16 11:14:01,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:14:01,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:14:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:01,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:14:01,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:14:01,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079745945] [2022-11-16 11:14:01,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079745945] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:14:01,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:14:01,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:14:01,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613225413] [2022-11-16 11:14:01,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:14:01,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:14:01,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:14:01,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:14:01,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:14:01,902 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 117 [2022-11-16 11:14:01,903 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 117 transitions, 350 flow. Second operand has 6 states, 6 states have (on average 78.16666666666667) internal successors, (469), 6 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:01,903 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:14:01,904 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 117 [2022-11-16 11:14:01,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:14:02,431 INFO L130 PetriNetUnfolder]: 345/997 cut-off events. [2022-11-16 11:14:02,431 INFO L131 PetriNetUnfolder]: For 221/221 co-relation queries the response was YES. [2022-11-16 11:14:02,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2048 conditions, 997 events. 345/997 cut-off events. For 221/221 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 5641 event pairs, 141 based on Foata normal form. 0/911 useless extension candidates. Maximal degree in co-relation 1984. Up to 543 conditions per place. [2022-11-16 11:14:02,444 INFO L137 encePairwiseOnDemand]: 106/117 looper letters, 109 selfloop transitions, 23 changer transitions 0/191 dead transitions. [2022-11-16 11:14:02,444 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 191 transitions, 820 flow [2022-11-16 11:14:02,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:14:02,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:14:02,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 570 transitions. [2022-11-16 11:14:02,446 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.811965811965812 [2022-11-16 11:14:02,447 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 570 transitions. [2022-11-16 11:14:02,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 570 transitions. [2022-11-16 11:14:02,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:14:02,447 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 570 transitions. [2022-11-16 11:14:02,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 95.0) internal successors, (570), 6 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:02,451 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:02,452 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:02,452 INFO L175 Difference]: Start difference. First operand has 111 places, 117 transitions, 350 flow. Second operand 6 states and 570 transitions. [2022-11-16 11:14:02,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 191 transitions, 820 flow [2022-11-16 11:14:02,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 191 transitions, 820 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:14:02,463 INFO L231 Difference]: Finished difference. Result has 121 places, 138 transitions, 522 flow [2022-11-16 11:14:02,464 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=522, PETRI_PLACES=121, PETRI_TRANSITIONS=138} [2022-11-16 11:14:02,465 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 18 predicate places. [2022-11-16 11:14:02,465 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 138 transitions, 522 flow [2022-11-16 11:14:02,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.16666666666667) internal successors, (469), 6 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:02,466 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:14:02,467 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:14:02,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:14:02,468 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-16 11:14:02,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:14:02,469 INFO L85 PathProgramCache]: Analyzing trace with hash -593046980, now seen corresponding path program 1 times [2022-11-16 11:14:02,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:14:02,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384052705] [2022-11-16 11:14:02,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:14:02,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:14:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:02,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:14:02,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:14:02,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384052705] [2022-11-16 11:14:02,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384052705] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:14:02,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:14:02,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:14:02,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721998447] [2022-11-16 11:14:02,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:14:02,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:14:02,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:14:02,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:14:02,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:14:02,923 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 117 [2022-11-16 11:14:02,924 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 138 transitions, 522 flow. Second operand has 6 states, 6 states have (on average 70.83333333333333) internal successors, (425), 6 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:02,924 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:14:02,924 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 117 [2022-11-16 11:14:02,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:14:03,308 INFO L130 PetriNetUnfolder]: 402/1120 cut-off events. [2022-11-16 11:14:03,308 INFO L131 PetriNetUnfolder]: For 733/746 co-relation queries the response was YES. [2022-11-16 11:14:03,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2840 conditions, 1120 events. 402/1120 cut-off events. For 733/746 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 6502 event pairs, 169 based on Foata normal form. 4/1044 useless extension candidates. Maximal degree in co-relation 2767. Up to 754 conditions per place. [2022-11-16 11:14:03,317 INFO L137 encePairwiseOnDemand]: 102/117 looper letters, 95 selfloop transitions, 53 changer transitions 0/202 dead transitions. [2022-11-16 11:14:03,317 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 202 transitions, 1106 flow [2022-11-16 11:14:03,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:14:03,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:14:03,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 500 transitions. [2022-11-16 11:14:03,320 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7122507122507122 [2022-11-16 11:14:03,320 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 500 transitions. [2022-11-16 11:14:03,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 500 transitions. [2022-11-16 11:14:03,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:14:03,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 500 transitions. [2022-11-16 11:14:03,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 83.33333333333333) internal successors, (500), 6 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:03,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:03,325 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:03,325 INFO L175 Difference]: Start difference. First operand has 121 places, 138 transitions, 522 flow. Second operand 6 states and 500 transitions. [2022-11-16 11:14:03,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 202 transitions, 1106 flow [2022-11-16 11:14:03,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 202 transitions, 1106 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:14:03,335 INFO L231 Difference]: Finished difference. Result has 131 places, 185 transitions, 1004 flow [2022-11-16 11:14:03,336 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=522, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1004, PETRI_PLACES=131, PETRI_TRANSITIONS=185} [2022-11-16 11:14:03,337 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 28 predicate places. [2022-11-16 11:14:03,337 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 185 transitions, 1004 flow [2022-11-16 11:14:03,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 70.83333333333333) internal successors, (425), 6 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:03,338 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:14:03,338 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:14:03,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:14:03,338 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-16 11:14:03,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:14:03,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1162896149, now seen corresponding path program 1 times [2022-11-16 11:14:03,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:14:03,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115909124] [2022-11-16 11:14:03,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:14:03,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:14:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:03,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:14:03,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:14:03,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115909124] [2022-11-16 11:14:03,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115909124] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:14:03,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:14:03,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:14:03,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420869673] [2022-11-16 11:14:03,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:14:03,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:14:03,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:14:03,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:14:03,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:14:03,729 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 117 [2022-11-16 11:14:03,730 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 185 transitions, 1004 flow. Second operand has 6 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:03,730 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:14:03,730 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 117 [2022-11-16 11:14:03,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:14:04,345 INFO L130 PetriNetUnfolder]: 579/1548 cut-off events. [2022-11-16 11:14:04,345 INFO L131 PetriNetUnfolder]: For 1768/1778 co-relation queries the response was YES. [2022-11-16 11:14:04,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4550 conditions, 1548 events. 579/1548 cut-off events. For 1768/1778 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 9536 event pairs, 185 based on Foata normal form. 0/1475 useless extension candidates. Maximal degree in co-relation 4476. Up to 1015 conditions per place. [2022-11-16 11:14:04,362 INFO L137 encePairwiseOnDemand]: 98/117 looper letters, 138 selfloop transitions, 80 changer transitions 4/280 dead transitions. [2022-11-16 11:14:04,362 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 280 transitions, 1914 flow [2022-11-16 11:14:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:14:04,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:14:04,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 563 transitions. [2022-11-16 11:14:04,365 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.801994301994302 [2022-11-16 11:14:04,365 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 563 transitions. [2022-11-16 11:14:04,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 563 transitions. [2022-11-16 11:14:04,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:14:04,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 563 transitions. [2022-11-16 11:14:04,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 93.83333333333333) internal successors, (563), 6 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:04,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:04,372 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:04,375 INFO L175 Difference]: Start difference. First operand has 131 places, 185 transitions, 1004 flow. Second operand 6 states and 563 transitions. [2022-11-16 11:14:04,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 280 transitions, 1914 flow [2022-11-16 11:14:04,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 280 transitions, 1850 flow, removed 32 selfloop flow, removed 0 redundant places. [2022-11-16 11:14:04,399 INFO L231 Difference]: Finished difference. Result has 141 places, 254 transitions, 1684 flow [2022-11-16 11:14:04,400 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=946, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1684, PETRI_PLACES=141, PETRI_TRANSITIONS=254} [2022-11-16 11:14:04,401 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 38 predicate places. [2022-11-16 11:14:04,401 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 254 transitions, 1684 flow [2022-11-16 11:14:04,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:04,402 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:14:04,404 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:14:04,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:14:04,406 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-16 11:14:04,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:14:04,407 INFO L85 PathProgramCache]: Analyzing trace with hash -377075837, now seen corresponding path program 1 times [2022-11-16 11:14:04,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:14:04,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347705552] [2022-11-16 11:14:04,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:14:04,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:14:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:04,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:14:04,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:14:04,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347705552] [2022-11-16 11:14:04,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347705552] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:14:04,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:14:04,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:14:04,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700658029] [2022-11-16 11:14:04,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:14:04,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:14:04,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:14:04,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:14:04,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:14:04,553 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 117 [2022-11-16 11:14:04,553 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 254 transitions, 1684 flow. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:04,554 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:14:04,554 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 117 [2022-11-16 11:14:04,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:14:04,645 INFO L130 PetriNetUnfolder]: 40/243 cut-off events. [2022-11-16 11:14:04,645 INFO L131 PetriNetUnfolder]: For 202/202 co-relation queries the response was YES. [2022-11-16 11:14:04,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 620 conditions, 243 events. 40/243 cut-off events. For 202/202 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 659 event pairs, 4 based on Foata normal form. 2/234 useless extension candidates. Maximal degree in co-relation 540. Up to 56 conditions per place. [2022-11-16 11:14:04,647 INFO L137 encePairwiseOnDemand]: 113/117 looper letters, 7 selfloop transitions, 4 changer transitions 0/121 dead transitions. [2022-11-16 11:14:04,648 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 121 transitions, 542 flow [2022-11-16 11:14:04,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:14:04,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:14:04,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 328 transitions. [2022-11-16 11:14:04,650 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9344729344729344 [2022-11-16 11:14:04,650 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 328 transitions. [2022-11-16 11:14:04,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 328 transitions. [2022-11-16 11:14:04,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:14:04,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 328 transitions. [2022-11-16 11:14:04,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:04,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:04,654 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:04,654 INFO L175 Difference]: Start difference. First operand has 141 places, 254 transitions, 1684 flow. Second operand 3 states and 328 transitions. [2022-11-16 11:14:04,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 121 transitions, 542 flow [2022-11-16 11:14:04,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 121 transitions, 428 flow, removed 35 selfloop flow, removed 20 redundant places. [2022-11-16 11:14:04,661 INFO L231 Difference]: Finished difference. Result has 120 places, 121 transitions, 414 flow [2022-11-16 11:14:04,662 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=414, PETRI_PLACES=120, PETRI_TRANSITIONS=121} [2022-11-16 11:14:04,665 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 17 predicate places. [2022-11-16 11:14:04,666 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 121 transitions, 414 flow [2022-11-16 11:14:04,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:04,666 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:14:04,667 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:14:04,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:14:04,667 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-16 11:14:04,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:14:04,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1001682009, now seen corresponding path program 1 times [2022-11-16 11:14:04,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:14:04,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872704034] [2022-11-16 11:14:04,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:14:04,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:14:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:05,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:14:05,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:14:05,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872704034] [2022-11-16 11:14:05,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872704034] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:14:05,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:14:05,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:14:05,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088010203] [2022-11-16 11:14:05,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:14:05,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:14:05,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:14:05,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:14:05,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:14:05,149 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 117 [2022-11-16 11:14:05,150 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 121 transitions, 414 flow. Second operand has 6 states, 6 states have (on average 75.16666666666667) internal successors, (451), 6 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:05,150 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:14:05,150 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 117 [2022-11-16 11:14:05,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:14:05,447 INFO L130 PetriNetUnfolder]: 118/431 cut-off events. [2022-11-16 11:14:05,447 INFO L131 PetriNetUnfolder]: For 156/160 co-relation queries the response was YES. [2022-11-16 11:14:05,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1084 conditions, 431 events. 118/431 cut-off events. For 156/160 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1663 event pairs, 15 based on Foata normal form. 0/418 useless extension candidates. Maximal degree in co-relation 1011. Up to 191 conditions per place. [2022-11-16 11:14:05,451 INFO L137 encePairwiseOnDemand]: 107/117 looper letters, 79 selfloop transitions, 28 changer transitions 10/176 dead transitions. [2022-11-16 11:14:05,451 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 176 transitions, 862 flow [2022-11-16 11:14:05,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:14:05,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:14:05,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 512 transitions. [2022-11-16 11:14:05,454 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7293447293447294 [2022-11-16 11:14:05,454 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 512 transitions. [2022-11-16 11:14:05,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 512 transitions. [2022-11-16 11:14:05,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:14:05,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 512 transitions. [2022-11-16 11:14:05,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 85.33333333333333) internal successors, (512), 6 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:05,459 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:05,461 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:05,462 INFO L175 Difference]: Start difference. First operand has 120 places, 121 transitions, 414 flow. Second operand 6 states and 512 transitions. [2022-11-16 11:14:05,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 176 transitions, 862 flow [2022-11-16 11:14:05,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 176 transitions, 858 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:14:05,470 INFO L231 Difference]: Finished difference. Result has 129 places, 139 transitions, 630 flow [2022-11-16 11:14:05,470 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=630, PETRI_PLACES=129, PETRI_TRANSITIONS=139} [2022-11-16 11:14:05,474 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 26 predicate places. [2022-11-16 11:14:05,474 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 139 transitions, 630 flow [2022-11-16 11:14:05,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 75.16666666666667) internal successors, (451), 6 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:05,475 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:14:05,475 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:14:05,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:14:05,476 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-16 11:14:05,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:14:05,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1112427937, now seen corresponding path program 1 times [2022-11-16 11:14:05,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:14:05,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151001302] [2022-11-16 11:14:05,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:14:05,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:14:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:06,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:14:06,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:14:06,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151001302] [2022-11-16 11:14:06,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151001302] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:14:06,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:14:06,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 11:14:06,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785903340] [2022-11-16 11:14:06,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:14:06,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 11:14:06,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:14:06,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 11:14:06,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:14:06,312 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 117 [2022-11-16 11:14:06,313 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 139 transitions, 630 flow. Second operand has 13 states, 13 states have (on average 57.30769230769231) internal successors, (745), 13 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:06,313 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:14:06,313 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 117 [2022-11-16 11:14:06,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:14:06,999 INFO L130 PetriNetUnfolder]: 168/533 cut-off events. [2022-11-16 11:14:07,000 INFO L131 PetriNetUnfolder]: For 512/521 co-relation queries the response was YES. [2022-11-16 11:14:07,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1593 conditions, 533 events. 168/533 cut-off events. For 512/521 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2054 event pairs, 1 based on Foata normal form. 11/542 useless extension candidates. Maximal degree in co-relation 1510. Up to 182 conditions per place. [2022-11-16 11:14:07,005 INFO L137 encePairwiseOnDemand]: 106/117 looper letters, 118 selfloop transitions, 30 changer transitions 20/213 dead transitions. [2022-11-16 11:14:07,005 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 213 transitions, 1336 flow [2022-11-16 11:14:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:14:07,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-16 11:14:07,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 708 transitions. [2022-11-16 11:14:07,009 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5501165501165501 [2022-11-16 11:14:07,009 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 708 transitions. [2022-11-16 11:14:07,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 708 transitions. [2022-11-16 11:14:07,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:14:07,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 708 transitions. [2022-11-16 11:14:07,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 64.36363636363636) internal successors, (708), 11 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:07,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:07,017 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:07,017 INFO L175 Difference]: Start difference. First operand has 129 places, 139 transitions, 630 flow. Second operand 11 states and 708 transitions. [2022-11-16 11:14:07,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 213 transitions, 1336 flow [2022-11-16 11:14:07,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 213 transitions, 1262 flow, removed 25 selfloop flow, removed 9 redundant places. [2022-11-16 11:14:07,027 INFO L231 Difference]: Finished difference. Result has 129 places, 132 transitions, 584 flow [2022-11-16 11:14:07,028 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=584, PETRI_PLACES=129, PETRI_TRANSITIONS=132} [2022-11-16 11:14:07,028 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 26 predicate places. [2022-11-16 11:14:07,029 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 132 transitions, 584 flow [2022-11-16 11:14:07,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 57.30769230769231) internal successors, (745), 13 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:07,031 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:14:07,032 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:14:07,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:14:07,032 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-16 11:14:07,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:14:07,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1621567473, now seen corresponding path program 1 times [2022-11-16 11:14:07,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:14:07,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236426277] [2022-11-16 11:14:07,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:14:07,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:14:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:08,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:14:08,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:14:08,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236426277] [2022-11-16 11:14:08,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236426277] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:14:08,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:14:08,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 11:14:08,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652490545] [2022-11-16 11:14:08,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:14:08,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 11:14:08,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:14:08,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 11:14:08,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:14:08,085 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-16 11:14:08,086 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 132 transitions, 584 flow. Second operand has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:08,086 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:14:08,086 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-16 11:14:08,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:14:08,851 INFO L130 PetriNetUnfolder]: 151/509 cut-off events. [2022-11-16 11:14:08,851 INFO L131 PetriNetUnfolder]: For 559/559 co-relation queries the response was YES. [2022-11-16 11:14:08,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1576 conditions, 509 events. 151/509 cut-off events. For 559/559 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1862 event pairs, 29 based on Foata normal form. 5/512 useless extension candidates. Maximal degree in co-relation 1501. Up to 260 conditions per place. [2022-11-16 11:14:08,855 INFO L137 encePairwiseOnDemand]: 103/117 looper letters, 112 selfloop transitions, 27 changer transitions 13/200 dead transitions. [2022-11-16 11:14:08,855 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 200 transitions, 1151 flow [2022-11-16 11:14:08,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:14:08,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-16 11:14:08,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 743 transitions. [2022-11-16 11:14:08,858 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5773115773115773 [2022-11-16 11:14:08,858 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 743 transitions. [2022-11-16 11:14:08,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 743 transitions. [2022-11-16 11:14:08,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:14:08,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 743 transitions. [2022-11-16 11:14:08,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 67.54545454545455) internal successors, (743), 11 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:08,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:08,865 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:08,865 INFO L175 Difference]: Start difference. First operand has 129 places, 132 transitions, 584 flow. Second operand 11 states and 743 transitions. [2022-11-16 11:14:08,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 200 transitions, 1151 flow [2022-11-16 11:14:08,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 200 transitions, 1011 flow, removed 15 selfloop flow, removed 11 redundant places. [2022-11-16 11:14:08,875 INFO L231 Difference]: Finished difference. Result has 133 places, 140 transitions, 668 flow [2022-11-16 11:14:08,875 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=668, PETRI_PLACES=133, PETRI_TRANSITIONS=140} [2022-11-16 11:14:08,878 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 30 predicate places. [2022-11-16 11:14:08,878 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 140 transitions, 668 flow [2022-11-16 11:14:08,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:08,879 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:14:08,879 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:14:08,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:14:08,879 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-16 11:14:08,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:14:08,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1227685159, now seen corresponding path program 2 times [2022-11-16 11:14:08,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:14:08,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928070176] [2022-11-16 11:14:08,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:14:08,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:14:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:09,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:14:09,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:14:09,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928070176] [2022-11-16 11:14:09,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928070176] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:14:09,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:14:09,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-16 11:14:09,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025930502] [2022-11-16 11:14:09,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:14:09,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 11:14:09,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:14:09,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 11:14:09,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:14:09,595 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-16 11:14:09,596 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 140 transitions, 668 flow. Second operand has 12 states, 12 states have (on average 59.5) internal successors, (714), 12 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:09,597 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:14:09,597 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-16 11:14:09,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:14:10,409 INFO L130 PetriNetUnfolder]: 199/629 cut-off events. [2022-11-16 11:14:10,410 INFO L131 PetriNetUnfolder]: For 951/951 co-relation queries the response was YES. [2022-11-16 11:14:10,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2054 conditions, 629 events. 199/629 cut-off events. For 951/951 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2764 event pairs, 11 based on Foata normal form. 10/638 useless extension candidates. Maximal degree in co-relation 1973. Up to 263 conditions per place. [2022-11-16 11:14:10,415 INFO L137 encePairwiseOnDemand]: 107/117 looper letters, 92 selfloop transitions, 5 changer transitions 112/257 dead transitions. [2022-11-16 11:14:10,416 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 257 transitions, 1659 flow [2022-11-16 11:14:10,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:14:10,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-16 11:14:10,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 748 transitions. [2022-11-16 11:14:10,420 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5811965811965812 [2022-11-16 11:14:10,420 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 748 transitions. [2022-11-16 11:14:10,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 748 transitions. [2022-11-16 11:14:10,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:14:10,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 748 transitions. [2022-11-16 11:14:10,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 68.0) internal successors, (748), 11 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:10,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:10,427 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:10,428 INFO L175 Difference]: Start difference. First operand has 133 places, 140 transitions, 668 flow. Second operand 11 states and 748 transitions. [2022-11-16 11:14:10,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 257 transitions, 1659 flow [2022-11-16 11:14:10,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 257 transitions, 1648 flow, removed 2 selfloop flow, removed 5 redundant places. [2022-11-16 11:14:10,443 INFO L231 Difference]: Finished difference. Result has 142 places, 124 transitions, 551 flow [2022-11-16 11:14:10,443 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=657, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=551, PETRI_PLACES=142, PETRI_TRANSITIONS=124} [2022-11-16 11:14:10,444 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 39 predicate places. [2022-11-16 11:14:10,445 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 124 transitions, 551 flow [2022-11-16 11:14:10,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 59.5) internal successors, (714), 12 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:10,446 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:14:10,446 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:14:10,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:14:10,447 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-16 11:14:10,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:14:10,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1063788801, now seen corresponding path program 3 times [2022-11-16 11:14:10,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:14:10,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452747142] [2022-11-16 11:14:10,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:14:10,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:14:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:11,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:14:11,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:14:11,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452747142] [2022-11-16 11:14:11,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452747142] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:14:11,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:14:11,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 11:14:11,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123918490] [2022-11-16 11:14:11,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:14:11,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 11:14:11,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:14:11,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 11:14:11,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:14:11,305 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-16 11:14:11,306 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 124 transitions, 551 flow. Second operand has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:11,306 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:14:11,306 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-16 11:14:11,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:14:12,179 INFO L130 PetriNetUnfolder]: 122/438 cut-off events. [2022-11-16 11:14:12,179 INFO L131 PetriNetUnfolder]: For 639/639 co-relation queries the response was YES. [2022-11-16 11:14:12,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1382 conditions, 438 events. 122/438 cut-off events. For 639/639 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1473 event pairs, 37 based on Foata normal form. 5/440 useless extension candidates. Maximal degree in co-relation 1297. Up to 178 conditions per place. [2022-11-16 11:14:12,184 INFO L137 encePairwiseOnDemand]: 106/117 looper letters, 84 selfloop transitions, 19 changer transitions 22/173 dead transitions. [2022-11-16 11:14:12,184 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 173 transitions, 969 flow [2022-11-16 11:14:12,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:14:12,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-16 11:14:12,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 718 transitions. [2022-11-16 11:14:12,188 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5578865578865578 [2022-11-16 11:14:12,188 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 718 transitions. [2022-11-16 11:14:12,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 718 transitions. [2022-11-16 11:14:12,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:14:12,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 718 transitions. [2022-11-16 11:14:12,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 65.27272727272727) internal successors, (718), 11 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:12,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:12,195 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:12,195 INFO L175 Difference]: Start difference. First operand has 142 places, 124 transitions, 551 flow. Second operand 11 states and 718 transitions. [2022-11-16 11:14:12,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 173 transitions, 969 flow [2022-11-16 11:14:12,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 173 transitions, 888 flow, removed 23 selfloop flow, removed 11 redundant places. [2022-11-16 11:14:12,205 INFO L231 Difference]: Finished difference. Result has 140 places, 124 transitions, 532 flow [2022-11-16 11:14:12,206 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=532, PETRI_PLACES=140, PETRI_TRANSITIONS=124} [2022-11-16 11:14:12,207 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 37 predicate places. [2022-11-16 11:14:12,208 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 124 transitions, 532 flow [2022-11-16 11:14:12,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:12,211 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:14:12,211 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:14:12,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:14:12,212 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-16 11:14:12,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:14:12,212 INFO L85 PathProgramCache]: Analyzing trace with hash 141298621, now seen corresponding path program 4 times [2022-11-16 11:14:12,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:14:12,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387465638] [2022-11-16 11:14:12,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:14:12,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:14:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:12,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:14:12,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:14:12,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387465638] [2022-11-16 11:14:12,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387465638] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:14:12,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:14:12,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 11:14:12,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756112880] [2022-11-16 11:14:12,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:14:12,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 11:14:12,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:14:12,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 11:14:12,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:14:12,972 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-16 11:14:12,974 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 124 transitions, 532 flow. Second operand has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:12,974 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:14:12,974 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-16 11:14:12,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:14:13,753 INFO L130 PetriNetUnfolder]: 184/638 cut-off events. [2022-11-16 11:14:13,754 INFO L131 PetriNetUnfolder]: For 1351/1351 co-relation queries the response was YES. [2022-11-16 11:14:13,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2053 conditions, 638 events. 184/638 cut-off events. For 1351/1351 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2749 event pairs, 43 based on Foata normal form. 10/644 useless extension candidates. Maximal degree in co-relation 1971. Up to 222 conditions per place. [2022-11-16 11:14:13,759 INFO L137 encePairwiseOnDemand]: 107/117 looper letters, 112 selfloop transitions, 6 changer transitions 69/235 dead transitions. [2022-11-16 11:14:13,759 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 235 transitions, 1472 flow [2022-11-16 11:14:13,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:14:13,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-16 11:14:13,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 738 transitions. [2022-11-16 11:14:13,762 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5734265734265734 [2022-11-16 11:14:13,762 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 738 transitions. [2022-11-16 11:14:13,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 738 transitions. [2022-11-16 11:14:13,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:14:13,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 738 transitions. [2022-11-16 11:14:13,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 67.0909090909091) internal successors, (738), 11 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:13,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:13,769 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:13,769 INFO L175 Difference]: Start difference. First operand has 140 places, 124 transitions, 532 flow. Second operand 11 states and 738 transitions. [2022-11-16 11:14:13,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 235 transitions, 1472 flow [2022-11-16 11:14:13,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 235 transitions, 1404 flow, removed 4 selfloop flow, removed 10 redundant places. [2022-11-16 11:14:13,779 INFO L231 Difference]: Finished difference. Result has 143 places, 124 transitions, 539 flow [2022-11-16 11:14:13,779 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=539, PETRI_PLACES=143, PETRI_TRANSITIONS=124} [2022-11-16 11:14:13,780 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 40 predicate places. [2022-11-16 11:14:13,780 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 124 transitions, 539 flow [2022-11-16 11:14:13,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:13,781 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:14:13,781 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:14:13,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 11:14:13,781 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-16 11:14:13,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:14:13,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1559653331, now seen corresponding path program 5 times [2022-11-16 11:14:13,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:14:13,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847580670] [2022-11-16 11:14:13,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:14:13,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:14:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:14,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:14:14,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:14:14,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847580670] [2022-11-16 11:14:14,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847580670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:14:14,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:14:14,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 11:14:14,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658431287] [2022-11-16 11:14:14,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:14:14,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 11:14:14,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:14:14,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 11:14:14,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:14:14,498 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-16 11:14:14,499 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 124 transitions, 539 flow. Second operand has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:14,499 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:14:14,499 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-16 11:14:14,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:14:15,433 INFO L130 PetriNetUnfolder]: 148/556 cut-off events. [2022-11-16 11:14:15,433 INFO L131 PetriNetUnfolder]: For 905/905 co-relation queries the response was YES. [2022-11-16 11:14:15,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1762 conditions, 556 events. 148/556 cut-off events. For 905/905 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2288 event pairs, 41 based on Foata normal form. 10/563 useless extension candidates. Maximal degree in co-relation 1677. Up to 232 conditions per place. [2022-11-16 11:14:15,439 INFO L137 encePairwiseOnDemand]: 106/117 looper letters, 85 selfloop transitions, 18 changer transitions 47/198 dead transitions. [2022-11-16 11:14:15,439 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 198 transitions, 1168 flow [2022-11-16 11:14:15,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 11:14:15,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-11-16 11:14:15,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 844 transitions. [2022-11-16 11:14:15,443 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5548980933596318 [2022-11-16 11:14:15,443 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 844 transitions. [2022-11-16 11:14:15,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 844 transitions. [2022-11-16 11:14:15,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:14:15,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 844 transitions. [2022-11-16 11:14:15,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 64.92307692307692) internal successors, (844), 13 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:15,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:15,451 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:15,451 INFO L175 Difference]: Start difference. First operand has 143 places, 124 transitions, 539 flow. Second operand 13 states and 844 transitions. [2022-11-16 11:14:15,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 198 transitions, 1168 flow [2022-11-16 11:14:15,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 198 transitions, 1114 flow, removed 18 selfloop flow, removed 8 redundant places. [2022-11-16 11:14:15,464 INFO L231 Difference]: Finished difference. Result has 149 places, 124 transitions, 561 flow [2022-11-16 11:14:15,464 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=501, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=561, PETRI_PLACES=149, PETRI_TRANSITIONS=124} [2022-11-16 11:14:15,465 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 46 predicate places. [2022-11-16 11:14:15,465 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 124 transitions, 561 flow [2022-11-16 11:14:15,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:15,466 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:14:15,467 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:14:15,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 11:14:15,467 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-16 11:14:15,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:14:15,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1338600391, now seen corresponding path program 6 times [2022-11-16 11:14:15,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:14:15,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827884439] [2022-11-16 11:14:15,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:14:15,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:14:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:16,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:14:16,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:14:16,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827884439] [2022-11-16 11:14:16,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827884439] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:14:16,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:14:16,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 11:14:16,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388931815] [2022-11-16 11:14:16,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:14:16,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 11:14:16,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:14:16,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 11:14:16,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:14:16,148 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-16 11:14:16,149 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 124 transitions, 561 flow. Second operand has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:16,149 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:14:16,149 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-16 11:14:16,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:14:17,053 INFO L130 PetriNetUnfolder]: 146/554 cut-off events. [2022-11-16 11:14:17,054 INFO L131 PetriNetUnfolder]: For 1310/1310 co-relation queries the response was YES. [2022-11-16 11:14:17,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1850 conditions, 554 events. 146/554 cut-off events. For 1310/1310 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2268 event pairs, 51 based on Foata normal form. 10/560 useless extension candidates. Maximal degree in co-relation 1763. Up to 221 conditions per place. [2022-11-16 11:14:17,060 INFO L137 encePairwiseOnDemand]: 107/117 looper letters, 103 selfloop transitions, 7 changer transitions 56/214 dead transitions. [2022-11-16 11:14:17,060 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 214 transitions, 1341 flow [2022-11-16 11:14:17,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:14:17,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-16 11:14:17,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 732 transitions. [2022-11-16 11:14:17,066 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5687645687645687 [2022-11-16 11:14:17,066 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 732 transitions. [2022-11-16 11:14:17,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 732 transitions. [2022-11-16 11:14:17,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:14:17,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 732 transitions. [2022-11-16 11:14:17,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 66.54545454545455) internal successors, (732), 11 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:17,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:17,076 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:17,076 INFO L175 Difference]: Start difference. First operand has 149 places, 124 transitions, 561 flow. Second operand 11 states and 732 transitions. [2022-11-16 11:14:17,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 214 transitions, 1341 flow [2022-11-16 11:14:17,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 214 transitions, 1251 flow, removed 19 selfloop flow, removed 12 redundant places. [2022-11-16 11:14:17,093 INFO L231 Difference]: Finished difference. Result has 146 places, 123 transitions, 539 flow [2022-11-16 11:14:17,093 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=509, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=539, PETRI_PLACES=146, PETRI_TRANSITIONS=123} [2022-11-16 11:14:17,095 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 43 predicate places. [2022-11-16 11:14:17,095 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 123 transitions, 539 flow [2022-11-16 11:14:17,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:17,096 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:14:17,096 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:14:17,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 11:14:17,097 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-16 11:14:17,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:14:17,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1564335761, now seen corresponding path program 7 times [2022-11-16 11:14:17,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:14:17,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879090284] [2022-11-16 11:14:17,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:14:17,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:14:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:17,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:14:17,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:14:17,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879090284] [2022-11-16 11:14:17,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879090284] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:14:17,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:14:17,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 11:14:17,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698339510] [2022-11-16 11:14:17,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:14:17,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 11:14:17,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:14:17,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 11:14:17,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:14:17,731 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-16 11:14:17,732 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 123 transitions, 539 flow. Second operand has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:17,732 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:14:17,733 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-16 11:14:17,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:14:18,528 INFO L130 PetriNetUnfolder]: 167/641 cut-off events. [2022-11-16 11:14:18,528 INFO L131 PetriNetUnfolder]: For 1169/1169 co-relation queries the response was YES. [2022-11-16 11:14:18,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2069 conditions, 641 events. 167/641 cut-off events. For 1169/1169 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2942 event pairs, 52 based on Foata normal form. 10/647 useless extension candidates. Maximal degree in co-relation 1983. Up to 212 conditions per place. [2022-11-16 11:14:18,534 INFO L137 encePairwiseOnDemand]: 106/117 looper letters, 97 selfloop transitions, 15 changer transitions 53/213 dead transitions. [2022-11-16 11:14:18,534 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 213 transitions, 1349 flow [2022-11-16 11:14:18,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:14:18,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-16 11:14:18,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 728 transitions. [2022-11-16 11:14:18,537 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5656565656565656 [2022-11-16 11:14:18,537 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 728 transitions. [2022-11-16 11:14:18,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 728 transitions. [2022-11-16 11:14:18,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:14:18,540 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 728 transitions. [2022-11-16 11:14:18,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 66.18181818181819) internal successors, (728), 11 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:18,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:18,548 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:18,549 INFO L175 Difference]: Start difference. First operand has 146 places, 123 transitions, 539 flow. Second operand 11 states and 728 transitions. [2022-11-16 11:14:18,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 213 transitions, 1349 flow [2022-11-16 11:14:18,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 213 transitions, 1283 flow, removed 24 selfloop flow, removed 10 redundant places. [2022-11-16 11:14:18,576 INFO L231 Difference]: Finished difference. Result has 149 places, 127 transitions, 612 flow [2022-11-16 11:14:18,576 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=499, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=612, PETRI_PLACES=149, PETRI_TRANSITIONS=127} [2022-11-16 11:14:18,577 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 46 predicate places. [2022-11-16 11:14:18,577 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 127 transitions, 612 flow [2022-11-16 11:14:18,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:18,578 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:14:18,578 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:14:18,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 11:14:18,579 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-16 11:14:18,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:14:18,579 INFO L85 PathProgramCache]: Analyzing trace with hash 2039386163, now seen corresponding path program 8 times [2022-11-16 11:14:18,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:14:18,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119715799] [2022-11-16 11:14:18,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:14:18,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:14:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:19,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:14:19,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:14:19,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119715799] [2022-11-16 11:14:19,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119715799] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:14:19,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:14:19,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 11:14:19,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498434843] [2022-11-16 11:14:19,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:14:19,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 11:14:19,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:14:19,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 11:14:19,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:14:19,177 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-16 11:14:19,178 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 127 transitions, 612 flow. Second operand has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:19,178 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:14:19,179 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-16 11:14:19,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:14:19,934 INFO L130 PetriNetUnfolder]: 128/513 cut-off events. [2022-11-16 11:14:19,935 INFO L131 PetriNetUnfolder]: For 1165/1165 co-relation queries the response was YES. [2022-11-16 11:14:19,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1717 conditions, 513 events. 128/513 cut-off events. For 1165/1165 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2105 event pairs, 40 based on Foata normal form. 10/519 useless extension candidates. Maximal degree in co-relation 1629. Up to 293 conditions per place. [2022-11-16 11:14:19,940 INFO L137 encePairwiseOnDemand]: 107/117 looper letters, 68 selfloop transitions, 5 changer transitions 62/183 dead transitions. [2022-11-16 11:14:19,940 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 183 transitions, 1121 flow [2022-11-16 11:14:19,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 11:14:19,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-11-16 11:14:19,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 773 transitions. [2022-11-16 11:14:19,943 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5505698005698005 [2022-11-16 11:14:19,943 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 773 transitions. [2022-11-16 11:14:19,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 773 transitions. [2022-11-16 11:14:19,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:14:19,948 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 773 transitions. [2022-11-16 11:14:19,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 64.41666666666667) internal successors, (773), 12 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:19,955 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:19,956 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:19,956 INFO L175 Difference]: Start difference. First operand has 149 places, 127 transitions, 612 flow. Second operand 12 states and 773 transitions. [2022-11-16 11:14:19,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 183 transitions, 1121 flow [2022-11-16 11:14:19,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 183 transitions, 1071 flow, removed 15 selfloop flow, removed 7 redundant places. [2022-11-16 11:14:19,968 INFO L231 Difference]: Finished difference. Result has 153 places, 120 transitions, 509 flow [2022-11-16 11:14:19,969 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=509, PETRI_PLACES=153, PETRI_TRANSITIONS=120} [2022-11-16 11:14:19,970 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 50 predicate places. [2022-11-16 11:14:19,970 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 120 transitions, 509 flow [2022-11-16 11:14:19,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:19,971 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:14:19,971 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:14:19,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 11:14:19,972 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-16 11:14:19,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:14:19,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1565764371, now seen corresponding path program 9 times [2022-11-16 11:14:19,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:14:19,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982465178] [2022-11-16 11:14:19,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:14:19,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:14:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:20,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:14:20,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:14:20,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982465178] [2022-11-16 11:14:20,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982465178] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:14:20,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:14:20,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 11:14:20,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885197509] [2022-11-16 11:14:20,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:14:20,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 11:14:20,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:14:20,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 11:14:20,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:14:20,640 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-16 11:14:20,640 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 120 transitions, 509 flow. Second operand has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:20,641 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:14:20,641 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-16 11:14:20,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:14:21,396 INFO L130 PetriNetUnfolder]: 145/558 cut-off events. [2022-11-16 11:14:21,396 INFO L131 PetriNetUnfolder]: For 1262/1262 co-relation queries the response was YES. [2022-11-16 11:14:21,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1826 conditions, 558 events. 145/558 cut-off events. For 1262/1262 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2290 event pairs, 41 based on Foata normal form. 10/565 useless extension candidates. Maximal degree in co-relation 1738. Up to 181 conditions per place. [2022-11-16 11:14:21,401 INFO L137 encePairwiseOnDemand]: 107/117 looper letters, 61 selfloop transitions, 8 changer transitions 78/195 dead transitions. [2022-11-16 11:14:21,401 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 195 transitions, 1230 flow [2022-11-16 11:14:21,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:14:21,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-16 11:14:21,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 716 transitions. [2022-11-16 11:14:21,408 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5563325563325563 [2022-11-16 11:14:21,411 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 716 transitions. [2022-11-16 11:14:21,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 716 transitions. [2022-11-16 11:14:21,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:14:21,412 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 716 transitions. [2022-11-16 11:14:21,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:21,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:21,417 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:21,419 INFO L175 Difference]: Start difference. First operand has 153 places, 120 transitions, 509 flow. Second operand 11 states and 716 transitions. [2022-11-16 11:14:21,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 195 transitions, 1230 flow [2022-11-16 11:14:21,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 195 transitions, 1128 flow, removed 45 selfloop flow, removed 13 redundant places. [2022-11-16 11:14:21,434 INFO L231 Difference]: Finished difference. Result has 141 places, 114 transitions, 463 flow [2022-11-16 11:14:21,435 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=455, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=463, PETRI_PLACES=141, PETRI_TRANSITIONS=114} [2022-11-16 11:14:21,436 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 38 predicate places. [2022-11-16 11:14:21,436 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 114 transitions, 463 flow [2022-11-16 11:14:21,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:21,437 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:14:21,437 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:14:21,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-16 11:14:21,438 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-16 11:14:21,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:14:21,438 INFO L85 PathProgramCache]: Analyzing trace with hash -100043025, now seen corresponding path program 10 times [2022-11-16 11:14:21,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:14:21,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289178834] [2022-11-16 11:14:21,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:14:21,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:14:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:22,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:14:22,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:14:22,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289178834] [2022-11-16 11:14:22,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289178834] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:14:22,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:14:22,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 11:14:22,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613158798] [2022-11-16 11:14:22,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:14:22,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 11:14:22,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:14:22,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 11:14:22,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:14:22,223 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-16 11:14:22,224 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 114 transitions, 463 flow. Second operand has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:22,224 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:14:22,224 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-16 11:14:22,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:14:22,953 INFO L130 PetriNetUnfolder]: 62/342 cut-off events. [2022-11-16 11:14:22,953 INFO L131 PetriNetUnfolder]: For 605/605 co-relation queries the response was YES. [2022-11-16 11:14:22,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1041 conditions, 342 events. 62/342 cut-off events. For 605/605 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1189 event pairs, 24 based on Foata normal form. 5/346 useless extension candidates. Maximal degree in co-relation 958. Up to 110 conditions per place. [2022-11-16 11:14:22,956 INFO L137 encePairwiseOnDemand]: 106/117 looper letters, 69 selfloop transitions, 13 changer transitions 29/159 dead transitions. [2022-11-16 11:14:22,957 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 159 transitions, 843 flow [2022-11-16 11:14:22,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:14:22,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-16 11:14:22,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 714 transitions. [2022-11-16 11:14:22,959 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5547785547785548 [2022-11-16 11:14:22,960 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 714 transitions. [2022-11-16 11:14:22,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 714 transitions. [2022-11-16 11:14:22,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:14:22,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 714 transitions. [2022-11-16 11:14:22,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 64.9090909090909) internal successors, (714), 11 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:22,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:22,965 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:22,965 INFO L175 Difference]: Start difference. First operand has 141 places, 114 transitions, 463 flow. Second operand 11 states and 714 transitions. [2022-11-16 11:14:22,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 159 transitions, 843 flow [2022-11-16 11:14:22,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 159 transitions, 784 flow, removed 16 selfloop flow, removed 13 redundant places. [2022-11-16 11:14:22,972 INFO L231 Difference]: Finished difference. Result has 139 places, 116 transitions, 469 flow [2022-11-16 11:14:22,972 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=411, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=469, PETRI_PLACES=139, PETRI_TRANSITIONS=116} [2022-11-16 11:14:22,973 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 36 predicate places. [2022-11-16 11:14:22,973 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 116 transitions, 469 flow [2022-11-16 11:14:22,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:22,974 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:14:22,974 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:14:22,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-16 11:14:22,975 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-16 11:14:22,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:14:22,975 INFO L85 PathProgramCache]: Analyzing trace with hash 332323171, now seen corresponding path program 11 times [2022-11-16 11:14:22,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:14:22,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103304691] [2022-11-16 11:14:22,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:14:22,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:14:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:23,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:14:23,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:14:23,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103304691] [2022-11-16 11:14:23,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103304691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:14:23,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:14:23,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 11:14:23,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323172330] [2022-11-16 11:14:23,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:14:23,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 11:14:23,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:14:23,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 11:14:23,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:14:23,699 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-16 11:14:23,700 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 116 transitions, 469 flow. Second operand has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:23,701 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:14:23,701 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-16 11:14:23,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:14:24,621 INFO L130 PetriNetUnfolder]: 74/372 cut-off events. [2022-11-16 11:14:24,622 INFO L131 PetriNetUnfolder]: For 651/655 co-relation queries the response was YES. [2022-11-16 11:14:24,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1147 conditions, 372 events. 74/372 cut-off events. For 651/655 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1419 event pairs, 15 based on Foata normal form. 14/385 useless extension candidates. Maximal degree in co-relation 1067. Up to 110 conditions per place. [2022-11-16 11:14:24,626 INFO L137 encePairwiseOnDemand]: 106/117 looper letters, 76 selfloop transitions, 14 changer transitions 39/177 dead transitions. [2022-11-16 11:14:24,626 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 177 transitions, 989 flow [2022-11-16 11:14:24,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 11:14:24,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-11-16 11:14:24,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 778 transitions. [2022-11-16 11:14:24,629 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5541310541310541 [2022-11-16 11:14:24,629 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 778 transitions. [2022-11-16 11:14:24,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 778 transitions. [2022-11-16 11:14:24,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:14:24,630 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 778 transitions. [2022-11-16 11:14:24,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 64.83333333333333) internal successors, (778), 12 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:24,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:24,661 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:24,661 INFO L175 Difference]: Start difference. First operand has 139 places, 116 transitions, 469 flow. Second operand 12 states and 778 transitions. [2022-11-16 11:14:24,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 177 transitions, 989 flow [2022-11-16 11:14:24,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 177 transitions, 958 flow, removed 3 selfloop flow, removed 7 redundant places. [2022-11-16 11:14:24,668 INFO L231 Difference]: Finished difference. Result has 147 places, 117 transitions, 508 flow [2022-11-16 11:14:24,669 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=508, PETRI_PLACES=147, PETRI_TRANSITIONS=117} [2022-11-16 11:14:24,670 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 44 predicate places. [2022-11-16 11:14:24,670 INFO L495 AbstractCegarLoop]: Abstraction has has 147 places, 117 transitions, 508 flow [2022-11-16 11:14:24,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:24,670 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:14:24,671 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:14:24,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-16 11:14:24,671 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-16 11:14:24,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:14:24,672 INFO L85 PathProgramCache]: Analyzing trace with hash -953268949, now seen corresponding path program 12 times [2022-11-16 11:14:24,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:14:24,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268270781] [2022-11-16 11:14:24,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:14:24,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:14:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:25,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:14:25,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:14:25,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268270781] [2022-11-16 11:14:25,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268270781] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:14:25,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:14:25,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 11:14:25,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170306699] [2022-11-16 11:14:25,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:14:25,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 11:14:25,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:14:25,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 11:14:25,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:14:25,309 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-16 11:14:25,311 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 117 transitions, 508 flow. Second operand has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:25,311 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:14:25,311 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-16 11:14:25,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:14:26,127 INFO L130 PetriNetUnfolder]: 52/287 cut-off events. [2022-11-16 11:14:26,127 INFO L131 PetriNetUnfolder]: For 757/759 co-relation queries the response was YES. [2022-11-16 11:14:26,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 918 conditions, 287 events. 52/287 cut-off events. For 757/759 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 877 event pairs, 18 based on Foata normal form. 12/297 useless extension candidates. Maximal degree in co-relation 834. Up to 72 conditions per place. [2022-11-16 11:14:26,129 INFO L137 encePairwiseOnDemand]: 106/117 looper letters, 54 selfloop transitions, 8 changer transitions 55/165 dead transitions. [2022-11-16 11:14:26,129 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 165 transitions, 946 flow [2022-11-16 11:14:26,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 11:14:26,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-11-16 11:14:26,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 766 transitions. [2022-11-16 11:14:26,132 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5455840455840456 [2022-11-16 11:14:26,132 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 766 transitions. [2022-11-16 11:14:26,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 766 transitions. [2022-11-16 11:14:26,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:14:26,133 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 766 transitions. [2022-11-16 11:14:26,134 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 63.833333333333336) internal successors, (766), 12 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:26,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:26,137 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:26,137 INFO L175 Difference]: Start difference. First operand has 147 places, 117 transitions, 508 flow. Second operand 12 states and 766 transitions. [2022-11-16 11:14:26,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 165 transitions, 946 flow [2022-11-16 11:14:26,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 165 transitions, 860 flow, removed 18 selfloop flow, removed 14 redundant places. [2022-11-16 11:14:26,143 INFO L231 Difference]: Finished difference. Result has 144 places, 110 transitions, 398 flow [2022-11-16 11:14:26,144 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=437, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=398, PETRI_PLACES=144, PETRI_TRANSITIONS=110} [2022-11-16 11:14:26,144 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 41 predicate places. [2022-11-16 11:14:26,144 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 110 transitions, 398 flow [2022-11-16 11:14:26,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:26,146 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:14:26,146 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:14:26,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-16 11:14:26,146 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-16 11:14:26,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:14:26,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1481186983, now seen corresponding path program 13 times [2022-11-16 11:14:26,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:14:26,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972645101] [2022-11-16 11:14:26,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:14:26,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:14:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:26,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:14:26,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:14:26,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972645101] [2022-11-16 11:14:26,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972645101] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:14:26,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:14:26,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 11:14:26,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076709478] [2022-11-16 11:14:26,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:14:26,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 11:14:26,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:14:26,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 11:14:26,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:14:26,665 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 117 [2022-11-16 11:14:26,665 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 110 transitions, 398 flow. Second operand has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:26,666 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:14:26,666 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 117 [2022-11-16 11:14:26,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:14:27,205 INFO L130 PetriNetUnfolder]: 31/183 cut-off events. [2022-11-16 11:14:27,205 INFO L131 PetriNetUnfolder]: For 215/217 co-relation queries the response was YES. [2022-11-16 11:14:27,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 508 conditions, 183 events. 31/183 cut-off events. For 215/217 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 298 event pairs, 0 based on Foata normal form. 12/195 useless extension candidates. Maximal degree in co-relation 487. Up to 35 conditions per place. [2022-11-16 11:14:27,206 INFO L137 encePairwiseOnDemand]: 107/117 looper letters, 0 selfloop transitions, 0 changer transitions 145/145 dead transitions. [2022-11-16 11:14:27,207 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 145 transitions, 728 flow [2022-11-16 11:14:27,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:14:27,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-16 11:14:27,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 696 transitions. [2022-11-16 11:14:27,209 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5407925407925408 [2022-11-16 11:14:27,209 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 696 transitions. [2022-11-16 11:14:27,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 696 transitions. [2022-11-16 11:14:27,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:14:27,210 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 696 transitions. [2022-11-16 11:14:27,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 63.27272727272727) internal successors, (696), 11 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:27,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:27,214 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:27,214 INFO L175 Difference]: Start difference. First operand has 144 places, 110 transitions, 398 flow. Second operand 11 states and 696 transitions. [2022-11-16 11:14:27,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 145 transitions, 728 flow [2022-11-16 11:14:27,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 145 transitions, 653 flow, removed 22 selfloop flow, removed 14 redundant places. [2022-11-16 11:14:27,219 INFO L231 Difference]: Finished difference. Result has 129 places, 0 transitions, 0 flow [2022-11-16 11:14:27,219 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=0, PETRI_PLACES=129, PETRI_TRANSITIONS=0} [2022-11-16 11:14:27,220 INFO L288 CegarLoopForPetriNet]: 103 programPoint places, 26 predicate places. [2022-11-16 11:14:27,220 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 0 transitions, 0 flow [2022-11-16 11:14:27,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 59.23076923076923) internal successors, (770), 13 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:14:27,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2022-11-16 11:14:27,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2022-11-16 11:14:27,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2022-11-16 11:14:27,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2022-11-16 11:14:27,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2022-11-16 11:14:27,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2022-11-16 11:14:27,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2022-11-16 11:14:27,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2022-11-16 11:14:27,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2022-11-16 11:14:27,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-16 11:14:27,241 INFO L444 BasicCegarLoop]: Path program histogram: [13, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:14:27,246 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:14:27,247 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:14:27,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:14:27 BasicIcfg [2022-11-16 11:14:27,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:14:27,253 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:14:27,253 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:14:27,253 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:14:27,254 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:13:59" (3/4) ... [2022-11-16 11:14:27,258 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:14:27,265 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-16 11:14:27,273 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 11:14:27,273 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 11:14:27,273 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:14:27,318 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a2a666-f8d6-4bc1-82af-cc229ed24be9/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:14:27,318 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:14:27,319 INFO L158 Benchmark]: Toolchain (without parser) took 29454.34ms. Allocated memory was 132.1MB in the beginning and 423.6MB in the end (delta: 291.5MB). Free memory was 92.7MB in the beginning and 390.5MB in the end (delta: -297.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:14:27,320 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 132.1MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:14:27,320 INFO L158 Benchmark]: CACSL2BoogieTranslator took 880.33ms. Allocated memory is still 132.1MB. Free memory was 92.5MB in the beginning and 89.9MB in the end (delta: 2.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:14:27,321 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.90ms. Allocated memory is still 132.1MB. Free memory was 89.9MB in the beginning and 86.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:14:27,321 INFO L158 Benchmark]: Boogie Preprocessor took 32.60ms. Allocated memory is still 132.1MB. Free memory was 86.9MB in the beginning and 85.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:14:27,321 INFO L158 Benchmark]: RCFGBuilder took 612.09ms. Allocated memory is still 132.1MB. Free memory was 84.8MB in the beginning and 68.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 11:14:27,322 INFO L158 Benchmark]: TraceAbstraction took 27777.44ms. Allocated memory was 132.1MB in the beginning and 423.6MB in the end (delta: 291.5MB). Free memory was 67.4MB in the beginning and 394.7MB in the end (delta: -327.2MB). Peak memory consumption was 218.2MB. Max. memory is 16.1GB. [2022-11-16 11:14:27,322 INFO L158 Benchmark]: Witness Printer took 65.51ms. Allocated memory is still 423.6MB. Free memory was 394.7MB in the beginning and 390.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:14:27,327 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 132.1MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 880.33ms. Allocated memory is still 132.1MB. Free memory was 92.5MB in the beginning and 89.9MB in the end (delta: 2.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.90ms. Allocated memory is still 132.1MB. Free memory was 89.9MB in the beginning and 86.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.60ms. Allocated memory is still 132.1MB. Free memory was 86.9MB in the beginning and 85.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 612.09ms. Allocated memory is still 132.1MB. Free memory was 84.8MB in the beginning and 68.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 27777.44ms. Allocated memory was 132.1MB in the beginning and 423.6MB in the end (delta: 291.5MB). Free memory was 67.4MB in the beginning and 394.7MB in the end (delta: -327.2MB). Peak memory consumption was 218.2MB. Max. memory is 16.1GB. * Witness Printer took 65.51ms. Allocated memory is still 423.6MB. Free memory was 394.7MB in the beginning and 390.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: 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 3 procedures, 145 locations, 9 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: 27.6s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 13, EmptinessCheckTime: 0.0s, AutomataDifference: 14.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2171 SdHoareTripleChecker+Valid, 7.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2171 mSDsluCounter, 773 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 374 mSDsCounter, 791 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6666 IncrementalHoareTripleChecker+Invalid, 7457 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 791 mSolverCounterUnsat, 399 mSDtfsCounter, 6666 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 360 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 291 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 585 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1684occurred in iteration=4, InterpolantAutomatonStates: 192, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 12.1s InterpolantComputationTime, 1500 NumberOfCodeBlocks, 1500 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1480 ConstructedInterpolants, 0 QuantifiedInterpolants, 10913 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 11:14:27,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a2a666-f8d6-4bc1-82af-cc229ed24be9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE