./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 0e0057cc 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_88033d20-7450-4d08-be41-6c5ebcced153/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88033d20-7450-4d08-be41-6c5ebcced153/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88033d20-7450-4d08-be41-6c5ebcced153/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88033d20-7450-4d08-be41-6c5ebcced153/bin/uautomizer-verify-BQ2R08f2Ya/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_88033d20-7450-4d08-be41-6c5ebcced153/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88033d20-7450-4d08-be41-6c5ebcced153/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --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 --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:41:00,687 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:41:00,753 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88033d20-7450-4d08-be41-6c5ebcced153/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 00:41:00,757 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:41:00,758 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:41:00,780 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:41:00,781 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:41:00,781 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:41:00,782 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:41:00,783 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:41:00,784 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:41:00,784 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:41:00,784 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:41:00,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:41:00,786 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:41:00,786 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:41:00,787 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:41:00,787 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:41:00,788 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:41:00,788 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:41:00,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:41:00,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:41:00,793 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 00:41:00,793 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 00:41:00,794 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:41:00,794 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:41:00,795 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:41:00,795 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:41:00,796 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:41:00,796 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:41:00,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:41:00,797 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:41:00,797 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:41:00,797 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:41:00,797 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:41:00,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:41:00,798 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:41:00,798 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:41:00,798 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:41:00,798 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:41:00,798 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:41:00,799 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88033d20-7450-4d08-be41-6c5ebcced153/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88033d20-7450-4d08-be41-6c5ebcced153/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b71c523f20411078d17c9943b891d34ddfc00131917c4009fb579cdffacef23c [2023-11-29 00:41:01,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:41:01,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:41:01,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:41:01,047 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:41:01,047 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:41:01,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88033d20-7450-4d08-be41-6c5ebcced153/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2023-11-29 00:41:03,802 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:41:04,033 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:41:04,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88033d20-7450-4d08-be41-6c5ebcced153/sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2023-11-29 00:41:04,051 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88033d20-7450-4d08-be41-6c5ebcced153/bin/uautomizer-verify-BQ2R08f2Ya/data/a8030c790/ff1e4630118e4d3ba00ead36407ef27b/FLAGea87a0543 [2023-11-29 00:41:04,065 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88033d20-7450-4d08-be41-6c5ebcced153/bin/uautomizer-verify-BQ2R08f2Ya/data/a8030c790/ff1e4630118e4d3ba00ead36407ef27b [2023-11-29 00:41:04,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:41:04,069 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:41:04,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:41:04,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:41:04,076 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:41:04,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:41:04" (1/1) ... [2023-11-29 00:41:04,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49bbc32e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:04, skipping insertion in model container [2023-11-29 00:41:04,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:41:04" (1/1) ... [2023-11-29 00:41:04,145 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:41:04,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:41:04,598 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:41:04,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:41:04,698 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:41:04,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:04 WrapperNode [2023-11-29 00:41:04,699 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:41:04,700 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:41:04,700 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:41:04,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:41:04,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:04" (1/1) ... [2023-11-29 00:41:04,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:04" (1/1) ... [2023-11-29 00:41:04,753 INFO L138 Inliner]: procedures = 264, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 87 [2023-11-29 00:41:04,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:41:04,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:41:04,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:41:04,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:41:04,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:04" (1/1) ... [2023-11-29 00:41:04,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:04" (1/1) ... [2023-11-29 00:41:04,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:04" (1/1) ... [2023-11-29 00:41:04,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:04" (1/1) ... [2023-11-29 00:41:04,780 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:04" (1/1) ... [2023-11-29 00:41:04,782 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:04" (1/1) ... [2023-11-29 00:41:04,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:04" (1/1) ... [2023-11-29 00:41:04,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:04" (1/1) ... [2023-11-29 00:41:04,790 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:41:04,791 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:41:04,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:41:04,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:41:04,792 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:04" (1/1) ... [2023-11-29 00:41:04,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:41:04,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88033d20-7450-4d08-be41-6c5ebcced153/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:41:04,825 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88033d20-7450-4d08-be41-6c5ebcced153/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:41:04,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88033d20-7450-4d08-be41-6c5ebcced153/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:41:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 00:41:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 00:41:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-29 00:41:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 00:41:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 00:41:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-29 00:41:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:41:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-29 00:41:04,864 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-29 00:41:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 00:41:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:41:04,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:41:04,866 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 00:41:04,997 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:41:04,999 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:41:05,211 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:41:05,233 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:41:05,233 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 00:41:05,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:41:05 BoogieIcfgContainer [2023-11-29 00:41:05,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:41:05,237 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:41:05,237 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:41:05,240 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:41:05,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:41:04" (1/3) ... [2023-11-29 00:41:05,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e17ae9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:41:05, skipping insertion in model container [2023-11-29 00:41:05,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:04" (2/3) ... [2023-11-29 00:41:05,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e17ae9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:41:05, skipping insertion in model container [2023-11-29 00:41:05,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:41:05" (3/3) ... [2023-11-29 00:41:05,243 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_46-escape_nr.i [2023-11-29 00:41:05,251 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 00:41:05,260 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:41:05,260 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-29 00:41:05,260 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 00:41:05,319 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-29 00:41:05,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 117 transitions, 241 flow [2023-11-29 00:41:05,401 INFO L124 PetriNetUnfolderBase]: 1/116 cut-off events. [2023-11-29 00:41:05,401 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 00:41:05,405 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 95 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. [2023-11-29 00:41:05,405 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 117 transitions, 241 flow [2023-11-29 00:41:05,410 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 99 transitions, 201 flow [2023-11-29 00:41:05,419 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:41:05,426 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=LoopHeads, 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;@2c44a609, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:41:05,426 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2023-11-29 00:41:05,436 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 00:41:05,437 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2023-11-29 00:41:05,437 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 00:41:05,437 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:41:05,438 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:05,438 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)] === [2023-11-29 00:41:05,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:05,443 INFO L85 PathProgramCache]: Analyzing trace with hash 795128904, now seen corresponding path program 1 times [2023-11-29 00:41:05,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:41:05,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436026786] [2023-11-29 00:41:05,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:05,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:41:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:06,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:06,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:41:06,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436026786] [2023-11-29 00:41:06,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436026786] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:41:06,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:41:06,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:41:06,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994427739] [2023-11-29 00:41:06,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:41:06,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:41:06,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:41:06,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:41:06,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:41:06,530 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 117 [2023-11-29 00:41:06,534 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 99 transitions, 201 flow. Second operand has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:06,534 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:41:06,535 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 117 [2023-11-29 00:41:06,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:41:06,731 INFO L124 PetriNetUnfolderBase]: 96/435 cut-off events. [2023-11-29 00:41:06,731 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 00:41:06,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 664 conditions, 435 events. 96/435 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2087 event pairs, 34 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 612. Up to 165 conditions per place. [2023-11-29 00:41:06,738 INFO L140 encePairwiseOnDemand]: 101/117 looper letters, 32 selfloop transitions, 23 changer transitions 0/126 dead transitions. [2023-11-29 00:41:06,738 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 126 transitions, 365 flow [2023-11-29 00:41:06,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:41:06,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:41:06,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 567 transitions. [2023-11-29 00:41:06,755 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8076923076923077 [2023-11-29 00:41:06,755 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 567 transitions. [2023-11-29 00:41:06,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 567 transitions. [2023-11-29 00:41:06,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:41:06,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 567 transitions. [2023-11-29 00:41:06,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 94.5) internal successors, (567), 6 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:06,773 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) [2023-11-29 00:41:06,774 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) [2023-11-29 00:41:06,776 INFO L175 Difference]: Start difference. First operand has 103 places, 99 transitions, 201 flow. Second operand 6 states and 567 transitions. [2023-11-29 00:41:06,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 126 transitions, 365 flow [2023-11-29 00:41:06,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 126 transitions, 364 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:41:06,785 INFO L231 Difference]: Finished difference. Result has 111 places, 117 transitions, 350 flow [2023-11-29 00:41:06,787 INFO L264 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} [2023-11-29 00:41:06,790 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 8 predicate places. [2023-11-29 00:41:06,791 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 117 transitions, 350 flow [2023-11-29 00:41:06,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:06,791 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:41:06,792 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:06,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 00:41:06,792 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)] === [2023-11-29 00:41:06,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:06,793 INFO L85 PathProgramCache]: Analyzing trace with hash 135077371, now seen corresponding path program 1 times [2023-11-29 00:41:06,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:41:06,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050734347] [2023-11-29 00:41:06,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:06,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:41:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:07,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:07,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:41:07,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050734347] [2023-11-29 00:41:07,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050734347] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:41:07,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:41:07,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:41:07,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494627489] [2023-11-29 00:41:07,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:41:07,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:41:07,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:41:07,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:41:07,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:41:07,456 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 117 [2023-11-29 00:41:07,457 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 117 transitions, 350 flow. Second operand has 6 states, 6 states have (on average 96.33333333333333) internal successors, (578), 6 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:07,457 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:41:07,457 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 117 [2023-11-29 00:41:07,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:41:07,650 INFO L124 PetriNetUnfolderBase]: 129/611 cut-off events. [2023-11-29 00:41:07,650 INFO L125 PetriNetUnfolderBase]: For 125/125 co-relation queries the response was YES. [2023-11-29 00:41:07,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1071 conditions, 611 events. 129/611 cut-off events. For 125/125 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3444 event pairs, 47 based on Foata normal form. 0/568 useless extension candidates. Maximal degree in co-relation 1014. Up to 218 conditions per place. [2023-11-29 00:41:07,657 INFO L140 encePairwiseOnDemand]: 106/117 looper letters, 41 selfloop transitions, 23 changer transitions 0/146 dead transitions. [2023-11-29 00:41:07,657 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 146 transitions, 554 flow [2023-11-29 00:41:07,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:41:07,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:41:07,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 621 transitions. [2023-11-29 00:41:07,661 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8846153846153846 [2023-11-29 00:41:07,661 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 621 transitions. [2023-11-29 00:41:07,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 621 transitions. [2023-11-29 00:41:07,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:41:07,662 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 621 transitions. [2023-11-29 00:41:07,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 103.5) internal successors, (621), 6 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:07,667 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) [2023-11-29 00:41:07,667 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) [2023-11-29 00:41:07,668 INFO L175 Difference]: Start difference. First operand has 111 places, 117 transitions, 350 flow. Second operand 6 states and 621 transitions. [2023-11-29 00:41:07,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 146 transitions, 554 flow [2023-11-29 00:41:07,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 146 transitions, 554 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 00:41:07,675 INFO L231 Difference]: Finished difference. Result has 121 places, 138 transitions, 522 flow [2023-11-29 00:41:07,676 INFO L264 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} [2023-11-29 00:41:07,677 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 18 predicate places. [2023-11-29 00:41:07,677 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 138 transitions, 522 flow [2023-11-29 00:41:07,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 96.33333333333333) internal successors, (578), 6 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:07,678 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:41:07,678 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:07,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 00:41:07,678 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-29 00:41:07,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:07,679 INFO L85 PathProgramCache]: Analyzing trace with hash 379616768, now seen corresponding path program 1 times [2023-11-29 00:41:07,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:41:07,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473748990] [2023-11-29 00:41:07,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:07,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:41:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:08,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:08,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:41:08,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473748990] [2023-11-29 00:41:08,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473748990] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:41:08,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:41:08,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:41:08,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030321923] [2023-11-29 00:41:08,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:41:08,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:41:08,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:41:08,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:41:08,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:41:08,219 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 117 [2023-11-29 00:41:08,220 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 138 transitions, 522 flow. Second operand has 6 states, 6 states have (on average 84.0) internal successors, (504), 6 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:08,220 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:41:08,220 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 117 [2023-11-29 00:41:08,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:41:08,537 INFO L124 PetriNetUnfolderBase]: 375/1175 cut-off events. [2023-11-29 00:41:08,537 INFO L125 PetriNetUnfolderBase]: For 586/607 co-relation queries the response was YES. [2023-11-29 00:41:08,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2739 conditions, 1175 events. 375/1175 cut-off events. For 586/607 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 7105 event pairs, 131 based on Foata normal form. 2/1103 useless extension candidates. Maximal degree in co-relation 2673. Up to 672 conditions per place. [2023-11-29 00:41:08,548 INFO L140 encePairwiseOnDemand]: 98/117 looper letters, 79 selfloop transitions, 66 changer transitions 0/209 dead transitions. [2023-11-29 00:41:08,548 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 209 transitions, 1080 flow [2023-11-29 00:41:08,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:41:08,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:41:08,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 583 transitions. [2023-11-29 00:41:08,551 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8304843304843305 [2023-11-29 00:41:08,551 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 583 transitions. [2023-11-29 00:41:08,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 583 transitions. [2023-11-29 00:41:08,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:41:08,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 583 transitions. [2023-11-29 00:41:08,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 97.16666666666667) internal successors, (583), 6 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:08,557 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) [2023-11-29 00:41:08,557 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) [2023-11-29 00:41:08,557 INFO L175 Difference]: Start difference. First operand has 121 places, 138 transitions, 522 flow. Second operand 6 states and 583 transitions. [2023-11-29 00:41:08,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 209 transitions, 1080 flow [2023-11-29 00:41:08,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 209 transitions, 1080 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 00:41:08,568 INFO L231 Difference]: Finished difference. Result has 131 places, 201 transitions, 1088 flow [2023-11-29 00:41:08,569 INFO L264 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=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1088, PETRI_PLACES=131, PETRI_TRANSITIONS=201} [2023-11-29 00:41:08,569 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 28 predicate places. [2023-11-29 00:41:08,570 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 201 transitions, 1088 flow [2023-11-29 00:41:08,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 84.0) internal successors, (504), 6 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:08,570 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:41:08,571 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:08,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 00:41:08,571 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-29 00:41:08,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:08,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1279479825, now seen corresponding path program 1 times [2023-11-29 00:41:08,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:41:08,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046045769] [2023-11-29 00:41:08,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:08,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:41:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:08,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:08,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:41:08,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046045769] [2023-11-29 00:41:08,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046045769] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:41:08,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:41:08,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:41:08,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524447101] [2023-11-29 00:41:08,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:41:08,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:41:08,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:41:08,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:41:08,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:41:09,090 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 117 [2023-11-29 00:41:09,091 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 201 transitions, 1088 flow. Second operand has 6 states, 6 states have (on average 79.33333333333333) internal successors, (476), 6 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:09,091 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:41:09,091 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 117 [2023-11-29 00:41:09,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:41:09,421 INFO L124 PetriNetUnfolderBase]: 440/1354 cut-off events. [2023-11-29 00:41:09,422 INFO L125 PetriNetUnfolderBase]: For 1641/1681 co-relation queries the response was YES. [2023-11-29 00:41:09,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3997 conditions, 1354 events. 440/1354 cut-off events. For 1641/1681 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 8581 event pairs, 108 based on Foata normal form. 6/1309 useless extension candidates. Maximal degree in co-relation 3923. Up to 762 conditions per place. [2023-11-29 00:41:09,435 INFO L140 encePairwiseOnDemand]: 102/117 looper letters, 131 selfloop transitions, 67 changer transitions 0/262 dead transitions. [2023-11-29 00:41:09,435 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 262 transitions, 1838 flow [2023-11-29 00:41:09,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:41:09,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:41:09,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 539 transitions. [2023-11-29 00:41:09,438 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7678062678062678 [2023-11-29 00:41:09,438 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 539 transitions. [2023-11-29 00:41:09,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 539 transitions. [2023-11-29 00:41:09,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:41:09,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 539 transitions. [2023-11-29 00:41:09,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 89.83333333333333) internal successors, (539), 6 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:09,453 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) [2023-11-29 00:41:09,454 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) [2023-11-29 00:41:09,454 INFO L175 Difference]: Start difference. First operand has 131 places, 201 transitions, 1088 flow. Second operand 6 states and 539 transitions. [2023-11-29 00:41:09,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 262 transitions, 1838 flow [2023-11-29 00:41:09,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 262 transitions, 1782 flow, removed 28 selfloop flow, removed 0 redundant places. [2023-11-29 00:41:09,470 INFO L231 Difference]: Finished difference. Result has 141 places, 254 transitions, 1692 flow [2023-11-29 00:41:09,471 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=1038, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1692, PETRI_PLACES=141, PETRI_TRANSITIONS=254} [2023-11-29 00:41:09,472 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 38 predicate places. [2023-11-29 00:41:09,472 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 254 transitions, 1692 flow [2023-11-29 00:41:09,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.33333333333333) internal successors, (476), 6 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:09,473 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:41:09,473 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:09,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 00:41:09,473 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-29 00:41:09,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:09,474 INFO L85 PathProgramCache]: Analyzing trace with hash 132353764, now seen corresponding path program 1 times [2023-11-29 00:41:09,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:41:09,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317293613] [2023-11-29 00:41:09,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:09,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:41:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:09,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:09,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:41:09,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317293613] [2023-11-29 00:41:09,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317293613] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:41:09,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:41:09,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:41:09,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525266408] [2023-11-29 00:41:09,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:41:09,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:41:09,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:41:09,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:41:09,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:41:09,592 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 117 [2023-11-29 00:41:09,593 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 254 transitions, 1692 flow. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:09,593 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:41:09,593 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 117 [2023-11-29 00:41:09,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:41:09,636 INFO L124 PetriNetUnfolderBase]: 40/244 cut-off events. [2023-11-29 00:41:09,636 INFO L125 PetriNetUnfolderBase]: For 186/186 co-relation queries the response was YES. [2023-11-29 00:41:09,637 INFO L83 FinitePrefix]: Finished finitePrefix Result has 616 conditions, 244 events. 40/244 cut-off events. For 186/186 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 667 event pairs, 4 based on Foata normal form. 2/235 useless extension candidates. Maximal degree in co-relation 543. Up to 62 conditions per place. [2023-11-29 00:41:09,638 INFO L140 encePairwiseOnDemand]: 113/117 looper letters, 2 selfloop transitions, 4 changer transitions 0/121 dead transitions. [2023-11-29 00:41:09,638 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 121 transitions, 532 flow [2023-11-29 00:41:09,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:41:09,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:41:09,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 338 transitions. [2023-11-29 00:41:09,641 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9629629629629629 [2023-11-29 00:41:09,641 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 338 transitions. [2023-11-29 00:41:09,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 338 transitions. [2023-11-29 00:41:09,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:41:09,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 338 transitions. [2023-11-29 00:41:09,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:09,644 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) [2023-11-29 00:41:09,644 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) [2023-11-29 00:41:09,644 INFO L175 Difference]: Start difference. First operand has 141 places, 254 transitions, 1692 flow. Second operand 3 states and 338 transitions. [2023-11-29 00:41:09,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 121 transitions, 532 flow [2023-11-29 00:41:09,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 121 transitions, 418 flow, removed 35 selfloop flow, removed 20 redundant places. [2023-11-29 00:41:09,649 INFO L231 Difference]: Finished difference. Result has 120 places, 121 transitions, 414 flow [2023-11-29 00:41:09,649 INFO L264 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} [2023-11-29 00:41:09,650 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 17 predicate places. [2023-11-29 00:41:09,650 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 121 transitions, 414 flow [2023-11-29 00:41:09,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:09,651 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:41:09,651 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:09,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 00:41:09,651 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)] === [2023-11-29 00:41:09,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:09,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1960176251, now seen corresponding path program 1 times [2023-11-29 00:41:09,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:41:09,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050490798] [2023-11-29 00:41:09,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:09,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:41:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:09,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:09,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:41:09,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050490798] [2023-11-29 00:41:09,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050490798] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:41:09,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:41:09,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:41:09,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887422924] [2023-11-29 00:41:09,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:41:09,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:41:09,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:41:09,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:41:09,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:41:10,196 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 117 [2023-11-29 00:41:10,197 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 121 transitions, 414 flow. Second operand has 6 states, 6 states have (on average 94.33333333333333) internal successors, (566), 6 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:10,197 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:41:10,197 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 117 [2023-11-29 00:41:10,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:41:10,299 INFO L124 PetriNetUnfolderBase]: 85/373 cut-off events. [2023-11-29 00:41:10,299 INFO L125 PetriNetUnfolderBase]: For 166/192 co-relation queries the response was YES. [2023-11-29 00:41:10,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 900 conditions, 373 events. 85/373 cut-off events. For 166/192 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1443 event pairs, 4 based on Foata normal form. 0/361 useless extension candidates. Maximal degree in co-relation 835. Up to 135 conditions per place. [2023-11-29 00:41:10,301 INFO L140 encePairwiseOnDemand]: 107/117 looper letters, 39 selfloop transitions, 28 changer transitions 12/155 dead transitions. [2023-11-29 00:41:10,301 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 155 transitions, 726 flow [2023-11-29 00:41:10,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:41:10,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:41:10,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 602 transitions. [2023-11-29 00:41:10,304 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8575498575498576 [2023-11-29 00:41:10,304 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 602 transitions. [2023-11-29 00:41:10,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 602 transitions. [2023-11-29 00:41:10,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:41:10,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 602 transitions. [2023-11-29 00:41:10,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 100.33333333333333) internal successors, (602), 6 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:10,309 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) [2023-11-29 00:41:10,310 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) [2023-11-29 00:41:10,310 INFO L175 Difference]: Start difference. First operand has 120 places, 121 transitions, 414 flow. Second operand 6 states and 602 transitions. [2023-11-29 00:41:10,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 155 transitions, 726 flow [2023-11-29 00:41:10,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 155 transitions, 714 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:41:10,315 INFO L231 Difference]: Finished difference. Result has 129 places, 139 transitions, 630 flow [2023-11-29 00:41:10,316 INFO L264 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} [2023-11-29 00:41:10,317 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 26 predicate places. [2023-11-29 00:41:10,317 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 139 transitions, 630 flow [2023-11-29 00:41:10,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 94.33333333333333) internal successors, (566), 6 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:10,317 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:41:10,318 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:10,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 00:41:10,318 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)] === [2023-11-29 00:41:10,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:10,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1956684789, now seen corresponding path program 1 times [2023-11-29 00:41:10,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:41:10,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222919865] [2023-11-29 00:41:10,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:10,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:41:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:10,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:10,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:41:10,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222919865] [2023-11-29 00:41:10,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222919865] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:41:10,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:41:10,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 00:41:10,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509189093] [2023-11-29 00:41:10,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:41:10,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 00:41:10,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:41:10,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 00:41:10,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:41:11,602 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 117 [2023-11-29 00:41:11,603 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 139 transitions, 630 flow. Second operand has 12 states, 12 states have (on average 70.75) internal successors, (849), 12 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:11,603 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:41:11,603 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 117 [2023-11-29 00:41:11,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:41:12,030 INFO L124 PetriNetUnfolderBase]: 128/464 cut-off events. [2023-11-29 00:41:12,030 INFO L125 PetriNetUnfolderBase]: For 413/419 co-relation queries the response was YES. [2023-11-29 00:41:12,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1386 conditions, 464 events. 128/464 cut-off events. For 413/419 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1762 event pairs, 35 based on Foata normal form. 9/470 useless extension candidates. Maximal degree in co-relation 1311. Up to 140 conditions per place. [2023-11-29 00:41:12,034 INFO L140 encePairwiseOnDemand]: 106/117 looper letters, 102 selfloop transitions, 30 changer transitions 0/189 dead transitions. [2023-11-29 00:41:12,034 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 189 transitions, 1184 flow [2023-11-29 00:41:12,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 00:41:12,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-29 00:41:12,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 831 transitions. [2023-11-29 00:41:12,038 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6456876456876457 [2023-11-29 00:41:12,038 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 831 transitions. [2023-11-29 00:41:12,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 831 transitions. [2023-11-29 00:41:12,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:41:12,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 831 transitions. [2023-11-29 00:41:12,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 75.54545454545455) internal successors, (831), 11 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:12,045 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) [2023-11-29 00:41:12,045 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) [2023-11-29 00:41:12,045 INFO L175 Difference]: Start difference. First operand has 129 places, 139 transitions, 630 flow. Second operand 11 states and 831 transitions. [2023-11-29 00:41:12,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 189 transitions, 1184 flow [2023-11-29 00:41:12,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 189 transitions, 1110 flow, removed 25 selfloop flow, removed 9 redundant places. [2023-11-29 00:41:12,055 INFO L231 Difference]: Finished difference. Result has 129 places, 138 transitions, 634 flow [2023-11-29 00:41:12,055 INFO L264 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=634, PETRI_PLACES=129, PETRI_TRANSITIONS=138} [2023-11-29 00:41:12,056 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 26 predicate places. [2023-11-29 00:41:12,056 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 138 transitions, 634 flow [2023-11-29 00:41:12,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 70.75) internal successors, (849), 12 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:12,057 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:41:12,057 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:12,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 00:41:12,057 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)] === [2023-11-29 00:41:12,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:12,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1921048529, now seen corresponding path program 1 times [2023-11-29 00:41:12,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:41:12,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104905580] [2023-11-29 00:41:12,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:12,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:41:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:12,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:12,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:41:12,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104905580] [2023-11-29 00:41:12,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104905580] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:41:12,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:41:12,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 00:41:12,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442142112] [2023-11-29 00:41:12,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:41:12,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 00:41:12,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:41:12,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 00:41:12,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:41:13,615 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-29 00:41:13,617 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 138 transitions, 634 flow. Second operand has 12 states, 12 states have (on average 84.58333333333333) internal successors, (1015), 12 states have internal predecessors, (1015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:13,617 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:41:13,617 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-29 00:41:13,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:41:14,113 INFO L124 PetriNetUnfolderBase]: 148/548 cut-off events. [2023-11-29 00:41:14,114 INFO L125 PetriNetUnfolderBase]: For 755/838 co-relation queries the response was YES. [2023-11-29 00:41:14,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1703 conditions, 548 events. 148/548 cut-off events. For 755/838 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2353 event pairs, 4 based on Foata normal form. 30/574 useless extension candidates. Maximal degree in co-relation 1640. Up to 133 conditions per place. [2023-11-29 00:41:14,117 INFO L140 encePairwiseOnDemand]: 106/117 looper letters, 52 selfloop transitions, 6 changer transitions 87/217 dead transitions. [2023-11-29 00:41:14,118 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 217 transitions, 1444 flow [2023-11-29 00:41:14,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 00:41:14,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-29 00:41:14,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1156 transitions. [2023-11-29 00:41:14,123 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.760026298487837 [2023-11-29 00:41:14,123 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1156 transitions. [2023-11-29 00:41:14,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1156 transitions. [2023-11-29 00:41:14,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:41:14,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1156 transitions. [2023-11-29 00:41:14,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 88.92307692307692) internal successors, (1156), 13 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:14,133 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) [2023-11-29 00:41:14,134 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) [2023-11-29 00:41:14,134 INFO L175 Difference]: Start difference. First operand has 129 places, 138 transitions, 634 flow. Second operand 13 states and 1156 transitions. [2023-11-29 00:41:14,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 217 transitions, 1444 flow [2023-11-29 00:41:14,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 217 transitions, 1326 flow, removed 0 selfloop flow, removed 10 redundant places. [2023-11-29 00:41:14,146 INFO L231 Difference]: Finished difference. Result has 136 places, 117 transitions, 467 flow [2023-11-29 00:41:14,146 INFO L264 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=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=467, PETRI_PLACES=136, PETRI_TRANSITIONS=117} [2023-11-29 00:41:14,147 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 33 predicate places. [2023-11-29 00:41:14,147 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 117 transitions, 467 flow [2023-11-29 00:41:14,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 84.58333333333333) internal successors, (1015), 12 states have internal predecessors, (1015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:14,148 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:41:14,148 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:14,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 00:41:14,149 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)] === [2023-11-29 00:41:14,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:14,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1719935341, now seen corresponding path program 2 times [2023-11-29 00:41:14,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:41:14,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101767928] [2023-11-29 00:41:14,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:14,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:41:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:14,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:14,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:41:14,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101767928] [2023-11-29 00:41:14,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101767928] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:41:14,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:41:14,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 00:41:14,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379045373] [2023-11-29 00:41:14,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:41:14,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 00:41:14,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:41:14,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 00:41:14,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:41:15,827 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-29 00:41:15,829 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 117 transitions, 467 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:15,829 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:41:15,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-29 00:41:15,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:41:16,170 INFO L124 PetriNetUnfolderBase]: 61/311 cut-off events. [2023-11-29 00:41:16,171 INFO L125 PetriNetUnfolderBase]: For 442/475 co-relation queries the response was YES. [2023-11-29 00:41:16,171 INFO L83 FinitePrefix]: Finished finitePrefix Result has 895 conditions, 311 events. 61/311 cut-off events. For 442/475 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 871 event pairs, 17 based on Foata normal form. 17/322 useless extension candidates. Maximal degree in co-relation 827. Up to 112 conditions per place. [2023-11-29 00:41:16,173 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 42 selfloop transitions, 12 changer transitions 12/138 dead transitions. [2023-11-29 00:41:16,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 138 transitions, 705 flow [2023-11-29 00:41:16,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 00:41:16,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-29 00:41:16,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 965 transitions. [2023-11-29 00:41:16,177 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7498057498057498 [2023-11-29 00:41:16,177 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 965 transitions. [2023-11-29 00:41:16,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 965 transitions. [2023-11-29 00:41:16,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:41:16,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 965 transitions. [2023-11-29 00:41:16,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 87.72727272727273) internal successors, (965), 11 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:16,185 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) [2023-11-29 00:41:16,186 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) [2023-11-29 00:41:16,186 INFO L175 Difference]: Start difference. First operand has 136 places, 117 transitions, 467 flow. Second operand 11 states and 965 transitions. [2023-11-29 00:41:16,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 138 transitions, 705 flow [2023-11-29 00:41:16,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 138 transitions, 619 flow, removed 26 selfloop flow, removed 11 redundant places. [2023-11-29 00:41:16,192 INFO L231 Difference]: Finished difference. Result has 133 places, 117 transitions, 430 flow [2023-11-29 00:41:16,193 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=430, PETRI_PLACES=133, PETRI_TRANSITIONS=117} [2023-11-29 00:41:16,193 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 30 predicate places. [2023-11-29 00:41:16,194 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 117 transitions, 430 flow [2023-11-29 00:41:16,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:16,194 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:41:16,194 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:16,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 00:41:16,195 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)] === [2023-11-29 00:41:16,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:16,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1164448391, now seen corresponding path program 3 times [2023-11-29 00:41:16,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:41:16,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423623236] [2023-11-29 00:41:16,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:16,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:41:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:16,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:16,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:41:16,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423623236] [2023-11-29 00:41:16,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423623236] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:41:16,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:41:16,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 00:41:16,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132477794] [2023-11-29 00:41:16,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:41:16,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 00:41:16,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:41:16,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 00:41:16,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:41:17,634 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-29 00:41:17,635 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 117 transitions, 430 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:17,635 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:41:17,635 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-29 00:41:17,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:41:18,121 INFO L124 PetriNetUnfolderBase]: 134/549 cut-off events. [2023-11-29 00:41:18,122 INFO L125 PetriNetUnfolderBase]: For 810/825 co-relation queries the response was YES. [2023-11-29 00:41:18,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1638 conditions, 549 events. 134/549 cut-off events. For 810/825 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2462 event pairs, 10 based on Foata normal form. 22/567 useless extension candidates. Maximal degree in co-relation 1572. Up to 125 conditions per place. [2023-11-29 00:41:18,126 INFO L140 encePairwiseOnDemand]: 106/117 looper letters, 96 selfloop transitions, 24 changer transitions 12/204 dead transitions. [2023-11-29 00:41:18,126 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 204 transitions, 1267 flow [2023-11-29 00:41:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 00:41:18,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 00:41:18,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1068 transitions. [2023-11-29 00:41:18,130 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7606837606837606 [2023-11-29 00:41:18,130 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1068 transitions. [2023-11-29 00:41:18,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1068 transitions. [2023-11-29 00:41:18,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:41:18,131 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1068 transitions. [2023-11-29 00:41:18,134 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 89.0) internal successors, (1068), 12 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:18,138 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) [2023-11-29 00:41:18,139 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) [2023-11-29 00:41:18,139 INFO L175 Difference]: Start difference. First operand has 133 places, 117 transitions, 430 flow. Second operand 12 states and 1068 transitions. [2023-11-29 00:41:18,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 204 transitions, 1267 flow [2023-11-29 00:41:18,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 204 transitions, 1210 flow, removed 4 selfloop flow, removed 9 redundant places. [2023-11-29 00:41:18,147 INFO L231 Difference]: Finished difference. Result has 139 places, 137 transitions, 669 flow [2023-11-29 00:41:18,148 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=409, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=669, PETRI_PLACES=139, PETRI_TRANSITIONS=137} [2023-11-29 00:41:18,148 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 36 predicate places. [2023-11-29 00:41:18,148 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 137 transitions, 669 flow [2023-11-29 00:41:18,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:18,149 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:41:18,149 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:18,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 00:41:18,150 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)] === [2023-11-29 00:41:18,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:18,150 INFO L85 PathProgramCache]: Analyzing trace with hash 2081300845, now seen corresponding path program 4 times [2023-11-29 00:41:18,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:41:18,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717665563] [2023-11-29 00:41:18,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:18,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:41:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:18,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:18,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:41:18,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717665563] [2023-11-29 00:41:18,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717665563] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:41:18,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:41:18,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 00:41:18,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708072269] [2023-11-29 00:41:18,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:41:18,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 00:41:18,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:41:18,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 00:41:18,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:41:19,917 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-29 00:41:19,918 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 137 transitions, 669 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:19,918 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:41:19,918 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-29 00:41:19,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:41:20,363 INFO L124 PetriNetUnfolderBase]: 136/573 cut-off events. [2023-11-29 00:41:20,364 INFO L125 PetriNetUnfolderBase]: For 1373/1399 co-relation queries the response was YES. [2023-11-29 00:41:20,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1935 conditions, 573 events. 136/573 cut-off events. For 1373/1399 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2662 event pairs, 22 based on Foata normal form. 36/602 useless extension candidates. Maximal degree in co-relation 1864. Up to 223 conditions per place. [2023-11-29 00:41:20,368 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 59 selfloop transitions, 17 changer transitions 29/177 dead transitions. [2023-11-29 00:41:20,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 177 transitions, 1145 flow [2023-11-29 00:41:20,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 00:41:20,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-29 00:41:20,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1139 transitions. [2023-11-29 00:41:20,372 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7488494411571335 [2023-11-29 00:41:20,373 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1139 transitions. [2023-11-29 00:41:20,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1139 transitions. [2023-11-29 00:41:20,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:41:20,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1139 transitions. [2023-11-29 00:41:20,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 87.61538461538461) internal successors, (1139), 13 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:20,381 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) [2023-11-29 00:41:20,382 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) [2023-11-29 00:41:20,382 INFO L175 Difference]: Start difference. First operand has 139 places, 137 transitions, 669 flow. Second operand 13 states and 1139 transitions. [2023-11-29 00:41:20,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 177 transitions, 1145 flow [2023-11-29 00:41:20,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 177 transitions, 1135 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 00:41:20,394 INFO L231 Difference]: Finished difference. Result has 152 places, 137 transitions, 718 flow [2023-11-29 00:41:20,394 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=718, PETRI_PLACES=152, PETRI_TRANSITIONS=137} [2023-11-29 00:41:20,395 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 49 predicate places. [2023-11-29 00:41:20,395 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 137 transitions, 718 flow [2023-11-29 00:41:20,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:20,396 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:41:20,396 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:20,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 00:41:20,396 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)] === [2023-11-29 00:41:20,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:20,397 INFO L85 PathProgramCache]: Analyzing trace with hash 299557929, now seen corresponding path program 5 times [2023-11-29 00:41:20,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:41:20,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419818568] [2023-11-29 00:41:20,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:20,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:41:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:20,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:20,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:41:20,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419818568] [2023-11-29 00:41:20,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419818568] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:41:20,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:41:20,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 00:41:20,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761431112] [2023-11-29 00:41:20,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:41:20,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 00:41:20,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:41:20,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 00:41:20,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:41:21,733 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-29 00:41:21,735 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 137 transitions, 718 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:21,735 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:41:21,735 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-29 00:41:21,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:41:22,113 INFO L124 PetriNetUnfolderBase]: 137/605 cut-off events. [2023-11-29 00:41:22,113 INFO L125 PetriNetUnfolderBase]: For 2010/2028 co-relation queries the response was YES. [2023-11-29 00:41:22,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2131 conditions, 605 events. 137/605 cut-off events. For 2010/2028 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2838 event pairs, 19 based on Foata normal form. 19/621 useless extension candidates. Maximal degree in co-relation 2055. Up to 178 conditions per place. [2023-11-29 00:41:22,116 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 79 selfloop transitions, 19 changer transitions 35/205 dead transitions. [2023-11-29 00:41:22,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 205 transitions, 1525 flow [2023-11-29 00:41:22,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 00:41:22,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 00:41:22,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1065 transitions. [2023-11-29 00:41:22,121 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7585470085470085 [2023-11-29 00:41:22,121 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1065 transitions. [2023-11-29 00:41:22,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1065 transitions. [2023-11-29 00:41:22,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:41:22,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1065 transitions. [2023-11-29 00:41:22,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 88.75) internal successors, (1065), 12 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:22,128 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) [2023-11-29 00:41:22,129 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) [2023-11-29 00:41:22,129 INFO L175 Difference]: Start difference. First operand has 152 places, 137 transitions, 718 flow. Second operand 12 states and 1065 transitions. [2023-11-29 00:41:22,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 205 transitions, 1525 flow [2023-11-29 00:41:22,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 205 transitions, 1417 flow, removed 19 selfloop flow, removed 12 redundant places. [2023-11-29 00:41:22,138 INFO L231 Difference]: Finished difference. Result has 152 places, 132 transitions, 699 flow [2023-11-29 00:41:22,139 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=668, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=699, PETRI_PLACES=152, PETRI_TRANSITIONS=132} [2023-11-29 00:41:22,139 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 49 predicate places. [2023-11-29 00:41:22,140 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 132 transitions, 699 flow [2023-11-29 00:41:22,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:22,140 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:41:22,141 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:22,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 00:41:22,141 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)] === [2023-11-29 00:41:22,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:22,141 INFO L85 PathProgramCache]: Analyzing trace with hash -867202395, now seen corresponding path program 6 times [2023-11-29 00:41:22,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:41:22,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140295626] [2023-11-29 00:41:22,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:22,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:41:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:22,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:22,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:41:22,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140295626] [2023-11-29 00:41:22,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140295626] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:41:22,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:41:22,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 00:41:22,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996679122] [2023-11-29 00:41:22,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:41:22,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 00:41:22,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:41:22,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 00:41:22,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:41:23,262 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-29 00:41:23,263 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 132 transitions, 699 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:23,263 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:41:23,263 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-29 00:41:23,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:41:23,686 INFO L124 PetriNetUnfolderBase]: 146/645 cut-off events. [2023-11-29 00:41:23,686 INFO L125 PetriNetUnfolderBase]: For 2537/2561 co-relation queries the response was YES. [2023-11-29 00:41:23,688 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2367 conditions, 645 events. 146/645 cut-off events. For 2537/2561 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3224 event pairs, 28 based on Foata normal form. 20/659 useless extension candidates. Maximal degree in co-relation 2290. Up to 183 conditions per place. [2023-11-29 00:41:23,690 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 81 selfloop transitions, 27 changer transitions 12/192 dead transitions. [2023-11-29 00:41:23,691 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 192 transitions, 1436 flow [2023-11-29 00:41:23,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 00:41:23,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 00:41:23,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1059 transitions. [2023-11-29 00:41:23,693 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7542735042735043 [2023-11-29 00:41:23,694 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1059 transitions. [2023-11-29 00:41:23,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1059 transitions. [2023-11-29 00:41:23,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:41:23,694 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1059 transitions. [2023-11-29 00:41:23,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 88.25) internal successors, (1059), 12 states have internal predecessors, (1059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:23,698 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) [2023-11-29 00:41:23,698 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) [2023-11-29 00:41:23,698 INFO L175 Difference]: Start difference. First operand has 152 places, 132 transitions, 699 flow. Second operand 12 states and 1059 transitions. [2023-11-29 00:41:23,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 192 transitions, 1436 flow [2023-11-29 00:41:23,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 192 transitions, 1299 flow, removed 56 selfloop flow, removed 11 redundant places. [2023-11-29 00:41:23,709 INFO L231 Difference]: Finished difference. Result has 155 places, 149 transitions, 894 flow [2023-11-29 00:41:23,709 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=894, PETRI_PLACES=155, PETRI_TRANSITIONS=149} [2023-11-29 00:41:23,709 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 52 predicate places. [2023-11-29 00:41:23,710 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 149 transitions, 894 flow [2023-11-29 00:41:23,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:23,711 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:41:23,711 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:23,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 00:41:23,711 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)] === [2023-11-29 00:41:23,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:23,711 INFO L85 PathProgramCache]: Analyzing trace with hash -799777435, now seen corresponding path program 7 times [2023-11-29 00:41:23,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:41:23,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719241812] [2023-11-29 00:41:23,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:23,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:41:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:24,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:24,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:41:24,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719241812] [2023-11-29 00:41:24,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719241812] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:41:24,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:41:24,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 00:41:24,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751231232] [2023-11-29 00:41:24,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:41:24,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 00:41:24,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:41:24,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 00:41:24,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:41:24,912 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-29 00:41:24,914 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 149 transitions, 894 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:24,914 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:41:24,914 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-29 00:41:24,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:41:25,252 INFO L124 PetriNetUnfolderBase]: 126/609 cut-off events. [2023-11-29 00:41:25,252 INFO L125 PetriNetUnfolderBase]: For 2453/2487 co-relation queries the response was YES. [2023-11-29 00:41:25,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2260 conditions, 609 events. 126/609 cut-off events. For 2453/2487 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2975 event pairs, 26 based on Foata normal form. 15/619 useless extension candidates. Maximal degree in co-relation 2183. Up to 242 conditions per place. [2023-11-29 00:41:25,257 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 55 selfloop transitions, 8 changer transitions 53/188 dead transitions. [2023-11-29 00:41:25,257 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 188 transitions, 1419 flow [2023-11-29 00:41:25,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 00:41:25,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 00:41:25,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1056 transitions. [2023-11-29 00:41:25,260 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7521367521367521 [2023-11-29 00:41:25,260 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1056 transitions. [2023-11-29 00:41:25,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1056 transitions. [2023-11-29 00:41:25,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:41:25,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1056 transitions. [2023-11-29 00:41:25,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 88.0) internal successors, (1056), 12 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:25,265 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) [2023-11-29 00:41:25,266 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) [2023-11-29 00:41:25,266 INFO L175 Difference]: Start difference. First operand has 155 places, 149 transitions, 894 flow. Second operand 12 states and 1056 transitions. [2023-11-29 00:41:25,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 188 transitions, 1419 flow [2023-11-29 00:41:25,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 188 transitions, 1386 flow, removed 11 selfloop flow, removed 4 redundant places. [2023-11-29 00:41:25,281 INFO L231 Difference]: Finished difference. Result has 166 places, 134 transitions, 731 flow [2023-11-29 00:41:25,281 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=862, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=731, PETRI_PLACES=166, PETRI_TRANSITIONS=134} [2023-11-29 00:41:25,281 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 63 predicate places. [2023-11-29 00:41:25,282 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 134 transitions, 731 flow [2023-11-29 00:41:25,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:25,283 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:41:25,283 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:25,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 00:41:25,283 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)] === [2023-11-29 00:41:25,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:25,284 INFO L85 PathProgramCache]: Analyzing trace with hash 321300283, now seen corresponding path program 8 times [2023-11-29 00:41:25,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:41:25,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706036767] [2023-11-29 00:41:25,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:25,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:41:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:25,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:25,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:41:25,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706036767] [2023-11-29 00:41:25,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706036767] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:41:25,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:41:25,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 00:41:25,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260892628] [2023-11-29 00:41:25,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:41:25,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 00:41:25,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:41:25,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 00:41:25,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:41:26,541 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-29 00:41:26,543 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 134 transitions, 731 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:26,543 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:41:26,543 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-29 00:41:26,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:41:26,899 INFO L124 PetriNetUnfolderBase]: 128/563 cut-off events. [2023-11-29 00:41:26,899 INFO L125 PetriNetUnfolderBase]: For 2577/2609 co-relation queries the response was YES. [2023-11-29 00:41:26,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2163 conditions, 563 events. 128/563 cut-off events. For 2577/2609 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2545 event pairs, 22 based on Foata normal form. 34/591 useless extension candidates. Maximal degree in co-relation 2081. Up to 156 conditions per place. [2023-11-29 00:41:26,904 INFO L140 encePairwiseOnDemand]: 106/117 looper letters, 69 selfloop transitions, 27 changer transitions 15/183 dead transitions. [2023-11-29 00:41:26,904 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 183 transitions, 1400 flow [2023-11-29 00:41:26,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 00:41:26,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-29 00:41:26,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 968 transitions. [2023-11-29 00:41:26,907 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7521367521367521 [2023-11-29 00:41:26,907 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 968 transitions. [2023-11-29 00:41:26,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 968 transitions. [2023-11-29 00:41:26,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:41:26,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 968 transitions. [2023-11-29 00:41:26,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 88.0) internal successors, (968), 11 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:26,911 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) [2023-11-29 00:41:26,912 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) [2023-11-29 00:41:26,912 INFO L175 Difference]: Start difference. First operand has 166 places, 134 transitions, 731 flow. Second operand 11 states and 968 transitions. [2023-11-29 00:41:26,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 183 transitions, 1400 flow [2023-11-29 00:41:26,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 183 transitions, 1244 flow, removed 63 selfloop flow, removed 16 redundant places. [2023-11-29 00:41:26,926 INFO L231 Difference]: Finished difference. Result has 152 places, 146 transitions, 882 flow [2023-11-29 00:41:26,927 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=652, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=882, PETRI_PLACES=152, PETRI_TRANSITIONS=146} [2023-11-29 00:41:26,927 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 49 predicate places. [2023-11-29 00:41:26,927 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 146 transitions, 882 flow [2023-11-29 00:41:26,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:26,928 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:41:26,928 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:26,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 00:41:26,928 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)] === [2023-11-29 00:41:26,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:26,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1901720867, now seen corresponding path program 9 times [2023-11-29 00:41:26,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:41:26,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795252789] [2023-11-29 00:41:26,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:26,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:41:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:27,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:27,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:41:27,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795252789] [2023-11-29 00:41:27,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795252789] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:41:27,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:41:27,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 00:41:27,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268915127] [2023-11-29 00:41:27,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:41:27,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 00:41:27,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:41:27,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 00:41:27,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:41:28,384 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-29 00:41:28,385 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 146 transitions, 882 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:28,385 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:41:28,385 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-29 00:41:28,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:41:28,754 INFO L124 PetriNetUnfolderBase]: 109/490 cut-off events. [2023-11-29 00:41:28,754 INFO L125 PetriNetUnfolderBase]: For 2112/2134 co-relation queries the response was YES. [2023-11-29 00:41:28,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1996 conditions, 490 events. 109/490 cut-off events. For 2112/2134 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2312 event pairs, 14 based on Foata normal form. 23/510 useless extension candidates. Maximal degree in co-relation 1920. Up to 189 conditions per place. [2023-11-29 00:41:28,758 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 60 selfloop transitions, 22 changer transitions 11/165 dead transitions. [2023-11-29 00:41:28,758 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 165 transitions, 1223 flow [2023-11-29 00:41:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 00:41:28,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 00:41:28,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1046 transitions. [2023-11-29 00:41:28,760 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7450142450142451 [2023-11-29 00:41:28,761 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1046 transitions. [2023-11-29 00:41:28,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1046 transitions. [2023-11-29 00:41:28,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:41:28,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1046 transitions. [2023-11-29 00:41:28,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 87.16666666666667) internal successors, (1046), 12 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:28,763 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) [2023-11-29 00:41:28,764 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) [2023-11-29 00:41:28,764 INFO L175 Difference]: Start difference. First operand has 152 places, 146 transitions, 882 flow. Second operand 12 states and 1046 transitions. [2023-11-29 00:41:28,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 165 transitions, 1223 flow [2023-11-29 00:41:28,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 165 transitions, 1160 flow, removed 12 selfloop flow, removed 9 redundant places. [2023-11-29 00:41:28,784 INFO L231 Difference]: Finished difference. Result has 159 places, 149 transitions, 935 flow [2023-11-29 00:41:28,784 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=830, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=935, PETRI_PLACES=159, PETRI_TRANSITIONS=149} [2023-11-29 00:41:28,784 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 56 predicate places. [2023-11-29 00:41:28,785 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 149 transitions, 935 flow [2023-11-29 00:41:28,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:28,785 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:41:28,785 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:28,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 00:41:28,786 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)] === [2023-11-29 00:41:28,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:28,786 INFO L85 PathProgramCache]: Analyzing trace with hash 885547587, now seen corresponding path program 10 times [2023-11-29 00:41:28,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:41:28,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892947118] [2023-11-29 00:41:28,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:28,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:41:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:29,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:29,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:41:29,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892947118] [2023-11-29 00:41:29,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892947118] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:41:29,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:41:29,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 00:41:29,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982540291] [2023-11-29 00:41:29,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:41:29,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 00:41:29,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:41:29,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 00:41:29,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:41:30,114 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-29 00:41:30,115 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 149 transitions, 935 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:30,115 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:41:30,115 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-29 00:41:30,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:41:30,478 INFO L124 PetriNetUnfolderBase]: 95/463 cut-off events. [2023-11-29 00:41:30,478 INFO L125 PetriNetUnfolderBase]: For 2310/2326 co-relation queries the response was YES. [2023-11-29 00:41:30,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1837 conditions, 463 events. 95/463 cut-off events. For 2310/2326 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2132 event pairs, 10 based on Foata normal form. 19/480 useless extension candidates. Maximal degree in co-relation 1760. Up to 152 conditions per place. [2023-11-29 00:41:30,481 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 30 selfloop transitions, 9 changer transitions 67/178 dead transitions. [2023-11-29 00:41:30,481 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 178 transitions, 1363 flow [2023-11-29 00:41:30,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 00:41:30,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-29 00:41:30,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1135 transitions. [2023-11-29 00:41:30,482 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7462195923734385 [2023-11-29 00:41:30,482 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1135 transitions. [2023-11-29 00:41:30,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1135 transitions. [2023-11-29 00:41:30,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:41:30,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1135 transitions. [2023-11-29 00:41:30,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 87.3076923076923) internal successors, (1135), 13 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:30,485 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) [2023-11-29 00:41:30,486 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) [2023-11-29 00:41:30,486 INFO L175 Difference]: Start difference. First operand has 159 places, 149 transitions, 935 flow. Second operand 13 states and 1135 transitions. [2023-11-29 00:41:30,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 178 transitions, 1363 flow [2023-11-29 00:41:30,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 178 transitions, 1327 flow, removed 7 selfloop flow, removed 6 redundant places. [2023-11-29 00:41:30,495 INFO L231 Difference]: Finished difference. Result has 166 places, 111 transitions, 495 flow [2023-11-29 00:41:30,495 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=902, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=495, PETRI_PLACES=166, PETRI_TRANSITIONS=111} [2023-11-29 00:41:30,496 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 63 predicate places. [2023-11-29 00:41:30,496 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 111 transitions, 495 flow [2023-11-29 00:41:30,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:30,496 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:41:30,496 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:30,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 00:41:30,497 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)] === [2023-11-29 00:41:30,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:30,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1603649235, now seen corresponding path program 11 times [2023-11-29 00:41:30,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:41:30,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205384424] [2023-11-29 00:41:30,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:30,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:41:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:30,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:30,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:41:30,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205384424] [2023-11-29 00:41:30,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205384424] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:41:30,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:41:30,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 00:41:30,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374247331] [2023-11-29 00:41:30,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:41:30,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 00:41:30,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:41:30,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 00:41:30,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:41:31,839 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-29 00:41:31,840 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 111 transitions, 495 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:31,840 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:41:31,840 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-29 00:41:31,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:41:32,086 INFO L124 PetriNetUnfolderBase]: 47/259 cut-off events. [2023-11-29 00:41:32,087 INFO L125 PetriNetUnfolderBase]: For 1368/1376 co-relation queries the response was YES. [2023-11-29 00:41:32,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1009 conditions, 259 events. 47/259 cut-off events. For 1368/1376 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 721 event pairs, 5 based on Foata normal form. 16/275 useless extension candidates. Maximal degree in co-relation 931. Up to 49 conditions per place. [2023-11-29 00:41:32,089 INFO L140 encePairwiseOnDemand]: 106/117 looper letters, 38 selfloop transitions, 18 changer transitions 12/140 dead transitions. [2023-11-29 00:41:32,089 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 140 transitions, 892 flow [2023-11-29 00:41:32,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 00:41:32,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-29 00:41:32,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 956 transitions. [2023-11-29 00:41:32,091 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7428127428127428 [2023-11-29 00:41:32,091 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 956 transitions. [2023-11-29 00:41:32,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 956 transitions. [2023-11-29 00:41:32,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:41:32,092 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 956 transitions. [2023-11-29 00:41:32,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 86.9090909090909) internal successors, (956), 11 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:32,095 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) [2023-11-29 00:41:32,096 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) [2023-11-29 00:41:32,096 INFO L175 Difference]: Start difference. First operand has 166 places, 111 transitions, 495 flow. Second operand 11 states and 956 transitions. [2023-11-29 00:41:32,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 140 transitions, 892 flow [2023-11-29 00:41:32,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 140 transitions, 688 flow, removed 53 selfloop flow, removed 29 redundant places. [2023-11-29 00:41:32,103 INFO L231 Difference]: Finished difference. Result has 139 places, 117 transitions, 488 flow [2023-11-29 00:41:32,103 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=366, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=488, PETRI_PLACES=139, PETRI_TRANSITIONS=117} [2023-11-29 00:41:32,104 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 36 predicate places. [2023-11-29 00:41:32,104 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 117 transitions, 488 flow [2023-11-29 00:41:32,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:32,104 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:41:32,104 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:32,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 00:41:32,105 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)] === [2023-11-29 00:41:32,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:32,105 INFO L85 PathProgramCache]: Analyzing trace with hash -2123827589, now seen corresponding path program 12 times [2023-11-29 00:41:32,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:41:32,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749458328] [2023-11-29 00:41:32,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:32,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:41:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:32,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:32,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:41:32,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749458328] [2023-11-29 00:41:32,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749458328] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:41:32,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:41:32,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 00:41:32,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506055223] [2023-11-29 00:41:32,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:41:32,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 00:41:32,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:41:32,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 00:41:32,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:41:33,497 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-29 00:41:33,498 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 117 transitions, 488 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:33,498 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:41:33,498 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-29 00:41:33,498 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:41:33,759 INFO L124 PetriNetUnfolderBase]: 27/211 cut-off events. [2023-11-29 00:41:33,759 INFO L125 PetriNetUnfolderBase]: For 462/466 co-relation queries the response was YES. [2023-11-29 00:41:33,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 730 conditions, 211 events. 27/211 cut-off events. For 462/466 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 513 event pairs, 2 based on Foata normal form. 14/224 useless extension candidates. Maximal degree in co-relation 665. Up to 41 conditions per place. [2023-11-29 00:41:33,760 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 0 selfloop transitions, 0 changer transitions 134/134 dead transitions. [2023-11-29 00:41:33,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 134 transitions, 712 flow [2023-11-29 00:41:33,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 00:41:33,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-29 00:41:33,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1123 transitions. [2023-11-29 00:41:33,762 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7383300460223537 [2023-11-29 00:41:33,762 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1123 transitions. [2023-11-29 00:41:33,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1123 transitions. [2023-11-29 00:41:33,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:41:33,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1123 transitions. [2023-11-29 00:41:33,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 86.38461538461539) internal successors, (1123), 13 states have internal predecessors, (1123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:33,765 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) [2023-11-29 00:41:33,765 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) [2023-11-29 00:41:33,765 INFO L175 Difference]: Start difference. First operand has 139 places, 117 transitions, 488 flow. Second operand 13 states and 1123 transitions. [2023-11-29 00:41:33,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 134 transitions, 712 flow [2023-11-29 00:41:33,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 134 transitions, 682 flow, removed 1 selfloop flow, removed 10 redundant places. [2023-11-29 00:41:33,769 INFO L231 Difference]: Finished difference. Result has 140 places, 0 transitions, 0 flow [2023-11-29 00:41:33,769 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=0, PETRI_PLACES=140, PETRI_TRANSITIONS=0} [2023-11-29 00:41:33,769 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 37 predicate places. [2023-11-29 00:41:33,769 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 0 transitions, 0 flow [2023-11-29 00:41:33,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:33,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2023-11-29 00:41:33,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2023-11-29 00:41:33,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2023-11-29 00:41:33,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2023-11-29 00:41:33,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2023-11-29 00:41:33,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2023-11-29 00:41:33,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2023-11-29 00:41:33,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2023-11-29 00:41:33,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2023-11-29 00:41:33,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 00:41:33,773 INFO L445 BasicCegarLoop]: Path program histogram: [12, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:33,777 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 00:41:33,777 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 00:41:33,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 12:41:33 BasicIcfg [2023-11-29 00:41:33,781 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 00:41:33,781 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:41:33,781 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:41:33,781 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:41:33,781 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:41:05" (3/4) ... [2023-11-29 00:41:33,782 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 00:41:33,785 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-29 00:41:33,788 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-29 00:41:33,789 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 00:41:33,789 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 00:41:33,852 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88033d20-7450-4d08-be41-6c5ebcced153/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 00:41:33,852 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88033d20-7450-4d08-be41-6c5ebcced153/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 00:41:33,853 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:41:33,853 INFO L158 Benchmark]: Toolchain (without parser) took 29784.34ms. Allocated memory was 161.5MB in the beginning and 299.9MB in the end (delta: 138.4MB). Free memory was 87.8MB in the beginning and 193.9MB in the end (delta: -106.1MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2023-11-29 00:41:33,854 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 161.5MB. Free memory is still 130.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:41:33,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 628.91ms. Allocated memory is still 161.5MB. Free memory was 87.6MB in the beginning and 108.3MB in the end (delta: -20.6MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2023-11-29 00:41:33,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.94ms. Allocated memory is still 161.5MB. Free memory was 108.3MB in the beginning and 106.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:41:33,855 INFO L158 Benchmark]: Boogie Preprocessor took 35.45ms. Allocated memory is still 161.5MB. Free memory was 106.2MB in the beginning and 104.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:41:33,855 INFO L158 Benchmark]: RCFGBuilder took 443.59ms. Allocated memory is still 161.5MB. Free memory was 104.1MB in the beginning and 84.4MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-29 00:41:33,856 INFO L158 Benchmark]: TraceAbstraction took 28543.92ms. Allocated memory was 161.5MB in the beginning and 299.9MB in the end (delta: 138.4MB). Free memory was 83.8MB in the beginning and 198.1MB in the end (delta: -114.3MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2023-11-29 00:41:33,856 INFO L158 Benchmark]: Witness Printer took 71.76ms. Allocated memory is still 299.9MB. Free memory was 198.1MB in the beginning and 193.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 00:41:33,858 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 161.5MB. Free memory is still 130.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 628.91ms. Allocated memory is still 161.5MB. Free memory was 87.6MB in the beginning and 108.3MB in the end (delta: -20.6MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.94ms. Allocated memory is still 161.5MB. Free memory was 108.3MB in the beginning and 106.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.45ms. Allocated memory is still 161.5MB. Free memory was 106.2MB in the beginning and 104.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 443.59ms. Allocated memory is still 161.5MB. Free memory was 104.1MB in the beginning and 84.4MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 28543.92ms. Allocated memory was 161.5MB in the beginning and 299.9MB in the end (delta: 138.4MB). Free memory was 83.8MB in the beginning and 198.1MB in the end (delta: -114.3MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * Witness Printer took 71.76ms. Allocated memory is still 299.9MB. Free memory was 198.1MB in the beginning and 193.9MB 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, 146 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: 28.4s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 12, EmptinessCheckTime: 0.0s, AutomataDifference: 18.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6257 SdHoareTripleChecker+Valid, 14.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5042 mSDsluCounter, 5204 SdHoareTripleChecker+Invalid, 12.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4912 mSDsCounter, 1583 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23956 IncrementalHoareTripleChecker+Invalid, 25539 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1583 mSolverCounterUnsat, 292 mSDtfsCounter, 23956 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 352 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 279 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1692occurred in iteration=4, InterpolantAutomatonStates: 189, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 1393 NumberOfCodeBlocks, 1393 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1374 ConstructedInterpolants, 0 QuantifiedInterpolants, 10882 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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! [2023-11-29 00:41:33,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88033d20-7450-4d08-be41-6c5ebcced153/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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