./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0a1b29-8834-4eaf-a14e-f7be73244f32/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0a1b29-8834-4eaf-a14e-f7be73244f32/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0a1b29-8834-4eaf-a14e-f7be73244f32/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0a1b29-8834-4eaf-a14e-f7be73244f32/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0a1b29-8834-4eaf-a14e-f7be73244f32/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0a1b29-8834-4eaf-a14e-f7be73244f32/bin/uautomizer-verify-jihMAELWvX --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 6883737711af32a6a824eca7af237353e2fdaf7712a6b3c22083c0d47b565ee7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:47:10,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:47:10,855 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0a1b29-8834-4eaf-a14e-f7be73244f32/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 17:47:10,862 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:47:10,862 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:47:10,886 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:47:10,887 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:47:10,887 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:47:10,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:47:10,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:47:10,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:47:10,889 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:47:10,890 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:47:10,890 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:47:10,891 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:47:10,891 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:47:10,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:47:10,892 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:47:10,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:47:10,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:47:10,894 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:47:10,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:47:10,899 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 17:47:10,900 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:47:10,900 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:47:10,900 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:47:10,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:47:10,901 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:47:10,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:47:10,902 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:47:10,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:47:10,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:47:10,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:47:10,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:47:10,908 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:47:10,908 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:47:10,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:47:10,909 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:47:10,909 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:47:10,909 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:47:10,909 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:47:10,912 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_3e0a1b29-8834-4eaf-a14e-f7be73244f32/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0a1b29-8834-4eaf-a14e-f7be73244f32/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6883737711af32a6a824eca7af237353e2fdaf7712a6b3c22083c0d47b565ee7 [2024-11-08 17:47:11,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:47:11,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:47:11,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:47:11,274 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:47:11,274 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:47:11,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0a1b29-8834-4eaf-a14e-f7be73244f32/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i Unable to find full path for "g++" [2024-11-08 17:47:13,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:47:13,622 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:47:13,625 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0a1b29-8834-4eaf-a14e-f7be73244f32/sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-11-08 17:47:13,644 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0a1b29-8834-4eaf-a14e-f7be73244f32/bin/uautomizer-verify-jihMAELWvX/data/a6d9dc33c/68f8f5e9f37849569862cc9c84d0f571/FLAG1b6962fd5 [2024-11-08 17:47:13,945 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0a1b29-8834-4eaf-a14e-f7be73244f32/bin/uautomizer-verify-jihMAELWvX/data/a6d9dc33c/68f8f5e9f37849569862cc9c84d0f571 [2024-11-08 17:47:13,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:47:13,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:47:13,951 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:47:13,951 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:47:13,956 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:47:13,957 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:47:13" (1/1) ... [2024-11-08 17:47:13,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74b25869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:13, skipping insertion in model container [2024-11-08 17:47:13,959 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:47:13" (1/1) ... [2024-11-08 17:47:14,019 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:47:14,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:47:14,500 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:47:14,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:47:14,603 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:47:14,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:14 WrapperNode [2024-11-08 17:47:14,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:47:14,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:47:14,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:47:14,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:47:14,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:14" (1/1) ... [2024-11-08 17:47:14,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:14" (1/1) ... [2024-11-08 17:47:14,654 INFO L138 Inliner]: procedures = 165, calls = 47, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 198 [2024-11-08 17:47:14,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:47:14,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:47:14,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:47:14,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:47:14,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:14" (1/1) ... [2024-11-08 17:47:14,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:14" (1/1) ... [2024-11-08 17:47:14,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:14" (1/1) ... [2024-11-08 17:47:14,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:14" (1/1) ... [2024-11-08 17:47:14,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:14" (1/1) ... [2024-11-08 17:47:14,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:14" (1/1) ... [2024-11-08 17:47:14,681 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:14" (1/1) ... [2024-11-08 17:47:14,683 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:14" (1/1) ... [2024-11-08 17:47:14,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:47:14,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:47:14,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:47:14,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:47:14,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:14" (1/1) ... [2024-11-08 17:47:14,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:47:14,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0a1b29-8834-4eaf-a14e-f7be73244f32/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:47:14,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0a1b29-8834-4eaf-a14e-f7be73244f32/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:47:14,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0a1b29-8834-4eaf-a14e-f7be73244f32/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:47:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-08 17:47:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:47:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-08 17:47:14,771 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-08 17:47:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 17:47:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-08 17:47:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:47:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:47:14,773 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 17:47:14,904 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:47:14,906 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:47:15,299 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 17:47:15,299 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:47:15,374 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:47:15,375 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:47:15,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:47:15 BoogieIcfgContainer [2024-11-08 17:47:15,376 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:47:15,378 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:47:15,379 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:47:15,382 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:47:15,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:47:13" (1/3) ... [2024-11-08 17:47:15,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1087ef37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:47:15, skipping insertion in model container [2024-11-08 17:47:15,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:47:14" (2/3) ... [2024-11-08 17:47:15,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1087ef37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:47:15, skipping insertion in model container [2024-11-08 17:47:15,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:47:15" (3/3) ... [2024-11-08 17:47:15,385 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-11-08 17:47:15,403 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:47:15,404 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2024-11-08 17:47:15,404 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 17:47:15,515 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 17:47:15,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 229 places, 237 transitions, 478 flow [2024-11-08 17:47:15,654 INFO L124 PetriNetUnfolderBase]: 11/240 cut-off events. [2024-11-08 17:47:15,654 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 17:47:15,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 244 conditions, 240 events. 11/240 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 273 event pairs, 0 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 193. Up to 2 conditions per place. [2024-11-08 17:47:15,669 INFO L82 GeneralOperation]: Start removeDead. Operand has 229 places, 237 transitions, 478 flow [2024-11-08 17:47:15,676 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 228 places, 235 transitions, 473 flow [2024-11-08 17:47:15,684 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:47:15,690 INFO L333 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, 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;@7504215f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:47:15,691 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-08 17:47:15,718 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 17:47:15,718 INFO L124 PetriNetUnfolderBase]: 0/61 cut-off events. [2024-11-08 17:47:15,718 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 17:47:15,718 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:47:15,719 INFO L204 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] [2024-11-08 17:47:15,719 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-08 17:47:15,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:15,726 INFO L85 PathProgramCache]: Analyzing trace with hash 2069921328, now seen corresponding path program 1 times [2024-11-08 17:47:15,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:47:15,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310166896] [2024-11-08 17:47:15,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:15,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:47:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:16,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:47:16,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:47:16,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310166896] [2024-11-08 17:47:16,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310166896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:16,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:16,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:47:16,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247645520] [2024-11-08 17:47:16,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:16,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:47:16,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:47:16,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:47:16,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:47:16,131 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 237 [2024-11-08 17:47:16,134 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 235 transitions, 473 flow. Second operand has 3 states, 3 states have (on average 201.33333333333334) internal successors, (604), 3 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:47:16,135 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:47:16,135 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 237 [2024-11-08 17:47:16,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:47:16,627 INFO L124 PetriNetUnfolderBase]: 122/1316 cut-off events. [2024-11-08 17:47:16,628 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 17:47:16,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1590 conditions, 1316 events. 122/1316 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 7799 event pairs, 87 based on Foata normal form. 112/1278 useless extension candidates. Maximal degree in co-relation 1541. Up to 236 conditions per place. [2024-11-08 17:47:16,637 INFO L140 encePairwiseOnDemand]: 221/237 looper letters, 30 selfloop transitions, 5 changer transitions 0/229 dead transitions. [2024-11-08 17:47:16,638 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 229 transitions, 531 flow [2024-11-08 17:47:16,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:47:16,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:47:16,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 651 transitions. [2024-11-08 17:47:16,657 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9156118143459916 [2024-11-08 17:47:16,659 INFO L175 Difference]: Start difference. First operand has 228 places, 235 transitions, 473 flow. Second operand 3 states and 651 transitions. [2024-11-08 17:47:16,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 229 transitions, 531 flow [2024-11-08 17:47:16,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 229 transitions, 530 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 17:47:16,673 INFO L231 Difference]: Finished difference. Result has 225 places, 223 transitions, 478 flow [2024-11-08 17:47:16,675 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=478, PETRI_PLACES=225, PETRI_TRANSITIONS=223} [2024-11-08 17:47:16,681 INFO L277 CegarLoopForPetriNet]: 228 programPoint places, -3 predicate places. [2024-11-08 17:47:16,681 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 223 transitions, 478 flow [2024-11-08 17:47:16,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 201.33333333333334) internal successors, (604), 3 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:47:16,682 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:47:16,682 INFO L204 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] [2024-11-08 17:47:16,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:47:16,682 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-08 17:47:16,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:16,684 INFO L85 PathProgramCache]: Analyzing trace with hash 211532478, now seen corresponding path program 1 times [2024-11-08 17:47:16,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:47:16,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369086925] [2024-11-08 17:47:16,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:16,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:47:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:16,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:47:16,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:47:16,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369086925] [2024-11-08 17:47:16,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369086925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:16,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:16,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:47:16,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961992437] [2024-11-08 17:47:16,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:16,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:47:16,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:47:16,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:47:16,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:47:16,825 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 237 [2024-11-08 17:47:16,826 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 223 transitions, 478 flow. Second operand has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:47:16,827 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:47:16,827 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 237 [2024-11-08 17:47:16,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:47:17,151 INFO L124 PetriNetUnfolderBase]: 115/1372 cut-off events. [2024-11-08 17:47:17,151 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-08 17:47:17,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1714 conditions, 1372 events. 115/1372 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 8298 event pairs, 72 based on Foata normal form. 0/1225 useless extension candidates. Maximal degree in co-relation 1664. Up to 207 conditions per place. [2024-11-08 17:47:17,158 INFO L140 encePairwiseOnDemand]: 232/237 looper letters, 28 selfloop transitions, 4 changer transitions 0/232 dead transitions. [2024-11-08 17:47:17,158 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 232 transitions, 560 flow [2024-11-08 17:47:17,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:47:17,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:47:17,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2024-11-08 17:47:17,161 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8945147679324894 [2024-11-08 17:47:17,161 INFO L175 Difference]: Start difference. First operand has 225 places, 223 transitions, 478 flow. Second operand 3 states and 636 transitions. [2024-11-08 17:47:17,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 232 transitions, 560 flow [2024-11-08 17:47:17,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 232 transitions, 550 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:47:17,172 INFO L231 Difference]: Finished difference. Result has 227 places, 226 transitions, 498 flow [2024-11-08 17:47:17,174 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=498, PETRI_PLACES=227, PETRI_TRANSITIONS=226} [2024-11-08 17:47:17,175 INFO L277 CegarLoopForPetriNet]: 228 programPoint places, -1 predicate places. [2024-11-08 17:47:17,175 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 226 transitions, 498 flow [2024-11-08 17:47:17,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:47:17,176 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:47:17,176 INFO L204 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] [2024-11-08 17:47:17,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:47:17,176 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-08 17:47:17,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:17,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1938240668, now seen corresponding path program 1 times [2024-11-08 17:47:17,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:47:17,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435241645] [2024-11-08 17:47:17,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:17,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:47:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:17,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:47:17,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:47:17,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435241645] [2024-11-08 17:47:17,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435241645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:17,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:17,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:47:17,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786159923] [2024-11-08 17:47:17,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:17,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:47:17,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:47:17,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:47:17,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:47:17,277 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 237 [2024-11-08 17:47:17,278 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 226 transitions, 498 flow. Second operand has 3 states, 3 states have (on average 206.66666666666666) internal successors, (620), 3 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:47:17,278 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:47:17,279 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 237 [2024-11-08 17:47:17,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:47:17,641 INFO L124 PetriNetUnfolderBase]: 122/2008 cut-off events. [2024-11-08 17:47:17,642 INFO L125 PetriNetUnfolderBase]: For 46/49 co-relation queries the response was YES. [2024-11-08 17:47:17,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2431 conditions, 2008 events. 122/2008 cut-off events. For 46/49 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 14340 event pairs, 26 based on Foata normal form. 0/1813 useless extension candidates. Maximal degree in co-relation 2381. Up to 146 conditions per place. [2024-11-08 17:47:17,657 INFO L140 encePairwiseOnDemand]: 233/237 looper letters, 30 selfloop transitions, 4 changer transitions 0/240 dead transitions. [2024-11-08 17:47:17,658 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 240 transitions, 598 flow [2024-11-08 17:47:17,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:47:17,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:47:17,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 649 transitions. [2024-11-08 17:47:17,661 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9127988748241913 [2024-11-08 17:47:17,662 INFO L175 Difference]: Start difference. First operand has 227 places, 226 transitions, 498 flow. Second operand 3 states and 649 transitions. [2024-11-08 17:47:17,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 240 transitions, 598 flow [2024-11-08 17:47:17,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 240 transitions, 588 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:47:17,670 INFO L231 Difference]: Finished difference. Result has 229 places, 228 transitions, 518 flow [2024-11-08 17:47:17,671 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=518, PETRI_PLACES=229, PETRI_TRANSITIONS=228} [2024-11-08 17:47:17,671 INFO L277 CegarLoopForPetriNet]: 228 programPoint places, 1 predicate places. [2024-11-08 17:47:17,671 INFO L471 AbstractCegarLoop]: Abstraction has has 229 places, 228 transitions, 518 flow [2024-11-08 17:47:17,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.66666666666666) internal successors, (620), 3 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:47:17,672 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:47:17,672 INFO L204 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] [2024-11-08 17:47:17,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:47:17,674 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-08 17:47:17,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:17,674 INFO L85 PathProgramCache]: Analyzing trace with hash -586780389, now seen corresponding path program 1 times [2024-11-08 17:47:17,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:47:17,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609426303] [2024-11-08 17:47:17,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:17,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:47:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:17,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:47:17,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:47:17,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609426303] [2024-11-08 17:47:17,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609426303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:17,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:17,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:47:17,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763003087] [2024-11-08 17:47:17,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:17,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:47:17,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:47:17,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:47:17,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:47:17,813 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 237 [2024-11-08 17:47:17,814 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 228 transitions, 518 flow. Second operand has 3 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:47:17,814 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:47:17,814 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 237 [2024-11-08 17:47:17,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:47:18,367 INFO L124 PetriNetUnfolderBase]: 240/3005 cut-off events. [2024-11-08 17:47:18,367 INFO L125 PetriNetUnfolderBase]: For 25/28 co-relation queries the response was YES. [2024-11-08 17:47:18,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3692 conditions, 3005 events. 240/3005 cut-off events. For 25/28 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 25014 event pairs, 34 based on Foata normal form. 0/2707 useless extension candidates. Maximal degree in co-relation 3641. Up to 299 conditions per place. [2024-11-08 17:47:18,380 INFO L140 encePairwiseOnDemand]: 232/237 looper letters, 31 selfloop transitions, 4 changer transitions 0/243 dead transitions. [2024-11-08 17:47:18,380 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 243 transitions, 618 flow [2024-11-08 17:47:18,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:47:18,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:47:18,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 648 transitions. [2024-11-08 17:47:18,383 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9113924050632911 [2024-11-08 17:47:18,383 INFO L175 Difference]: Start difference. First operand has 229 places, 228 transitions, 518 flow. Second operand 3 states and 648 transitions. [2024-11-08 17:47:18,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 243 transitions, 618 flow [2024-11-08 17:47:18,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 243 transitions, 610 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:47:18,389 INFO L231 Difference]: Finished difference. Result has 231 places, 231 transitions, 540 flow [2024-11-08 17:47:18,390 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=540, PETRI_PLACES=231, PETRI_TRANSITIONS=231} [2024-11-08 17:47:18,391 INFO L277 CegarLoopForPetriNet]: 228 programPoint places, 3 predicate places. [2024-11-08 17:47:18,392 INFO L471 AbstractCegarLoop]: Abstraction has has 231 places, 231 transitions, 540 flow [2024-11-08 17:47:18,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:47:18,392 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:47:18,393 INFO L204 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] [2024-11-08 17:47:18,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:47:18,393 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-08 17:47:18,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:18,395 INFO L85 PathProgramCache]: Analyzing trace with hash -359842066, now seen corresponding path program 1 times [2024-11-08 17:47:18,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:47:18,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767956680] [2024-11-08 17:47:18,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:18,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:47:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:18,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:47:18,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:47:18,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767956680] [2024-11-08 17:47:18,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767956680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:18,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:18,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:47:18,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229419911] [2024-11-08 17:47:18,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:18,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:47:18,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:47:18,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:47:18,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:47:18,814 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 237 [2024-11-08 17:47:18,815 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 231 transitions, 540 flow. Second operand has 6 states, 6 states have (on average 208.16666666666666) internal successors, (1249), 6 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:47:18,816 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:47:18,816 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 237 [2024-11-08 17:47:18,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:47:19,081 INFO L124 PetriNetUnfolderBase]: 40/1040 cut-off events. [2024-11-08 17:47:19,081 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-11-08 17:47:19,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1272 conditions, 1040 events. 40/1040 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4984 event pairs, 23 based on Foata normal form. 8/973 useless extension candidates. Maximal degree in co-relation 1218. Up to 82 conditions per place. [2024-11-08 17:47:19,085 INFO L140 encePairwiseOnDemand]: 227/237 looper letters, 17 selfloop transitions, 10 changer transitions 1/229 dead transitions. [2024-11-08 17:47:19,085 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 229 transitions, 562 flow [2024-11-08 17:47:19,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:47:19,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-08 17:47:19,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1066 transitions. [2024-11-08 17:47:19,089 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8995780590717299 [2024-11-08 17:47:19,089 INFO L175 Difference]: Start difference. First operand has 231 places, 231 transitions, 540 flow. Second operand 5 states and 1066 transitions. [2024-11-08 17:47:19,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 229 transitions, 562 flow [2024-11-08 17:47:19,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 229 transitions, 532 flow, removed 7 selfloop flow, removed 6 redundant places. [2024-11-08 17:47:19,096 INFO L231 Difference]: Finished difference. Result has 226 places, 222 transitions, 498 flow [2024-11-08 17:47:19,097 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=498, PETRI_PLACES=226, PETRI_TRANSITIONS=222} [2024-11-08 17:47:19,098 INFO L277 CegarLoopForPetriNet]: 228 programPoint places, -2 predicate places. [2024-11-08 17:47:19,098 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 222 transitions, 498 flow [2024-11-08 17:47:19,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 208.16666666666666) internal successors, (1249), 6 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:47:19,099 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:47:19,099 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:19,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:47:19,100 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-08 17:47:19,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:19,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1761699075, now seen corresponding path program 1 times [2024-11-08 17:47:19,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:47:19,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424523665] [2024-11-08 17:47:19,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:19,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:47:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:19,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:47:19,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:47:19,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424523665] [2024-11-08 17:47:19,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424523665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:19,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:19,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:47:19,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64975590] [2024-11-08 17:47:19,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:19,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:47:19,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:47:19,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:47:19,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:47:19,241 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 237 [2024-11-08 17:47:19,242 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 222 transitions, 498 flow. Second operand has 3 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:47:19,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:47:19,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 237 [2024-11-08 17:47:19,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:47:19,468 INFO L124 PetriNetUnfolderBase]: 66/1216 cut-off events. [2024-11-08 17:47:19,468 INFO L125 PetriNetUnfolderBase]: For 104/106 co-relation queries the response was YES. [2024-11-08 17:47:19,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1572 conditions, 1216 events. 66/1216 cut-off events. For 104/106 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 6789 event pairs, 59 based on Foata normal form. 0/1122 useless extension candidates. Maximal degree in co-relation 1518. Up to 189 conditions per place. [2024-11-08 17:47:19,472 INFO L140 encePairwiseOnDemand]: 234/237 looper letters, 28 selfloop transitions, 3 changer transitions 0/223 dead transitions. [2024-11-08 17:47:19,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 223 transitions, 565 flow [2024-11-08 17:47:19,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:47:19,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:47:19,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 626 transitions. [2024-11-08 17:47:19,475 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8804500703234881 [2024-11-08 17:47:19,475 INFO L175 Difference]: Start difference. First operand has 226 places, 222 transitions, 498 flow. Second operand 3 states and 626 transitions. [2024-11-08 17:47:19,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 223 transitions, 565 flow [2024-11-08 17:47:19,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 223 transitions, 562 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:47:19,480 INFO L231 Difference]: Finished difference. Result has 225 places, 221 transitions, 499 flow [2024-11-08 17:47:19,482 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=493, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=499, PETRI_PLACES=225, PETRI_TRANSITIONS=221} [2024-11-08 17:47:19,484 INFO L277 CegarLoopForPetriNet]: 228 programPoint places, -3 predicate places. [2024-11-08 17:47:19,484 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 221 transitions, 499 flow [2024-11-08 17:47:19,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:47:19,485 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:47:19,485 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:19,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:47:19,486 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-08 17:47:19,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:19,487 INFO L85 PathProgramCache]: Analyzing trace with hash 85735142, now seen corresponding path program 1 times [2024-11-08 17:47:19,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:47:19,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300875203] [2024-11-08 17:47:19,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:19,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:47:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:19,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:47:19,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:47:19,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300875203] [2024-11-08 17:47:19,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300875203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:19,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:19,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:47:19,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182847009] [2024-11-08 17:47:19,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:19,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:47:19,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:47:19,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:47:19,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:47:19,579 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 237 [2024-11-08 17:47:19,580 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 221 transitions, 499 flow. Second operand has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:47:19,580 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:47:19,580 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 237 [2024-11-08 17:47:19,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:47:19,789 INFO L124 PetriNetUnfolderBase]: 69/1218 cut-off events. [2024-11-08 17:47:19,789 INFO L125 PetriNetUnfolderBase]: For 114/118 co-relation queries the response was YES. [2024-11-08 17:47:19,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1600 conditions, 1218 events. 69/1218 cut-off events. For 114/118 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6792 event pairs, 60 based on Foata normal form. 0/1132 useless extension candidates. Maximal degree in co-relation 1547. Up to 193 conditions per place. [2024-11-08 17:47:19,793 INFO L140 encePairwiseOnDemand]: 234/237 looper letters, 28 selfloop transitions, 3 changer transitions 0/222 dead transitions. [2024-11-08 17:47:19,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 222 transitions, 566 flow [2024-11-08 17:47:19,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:47:19,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:47:19,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 626 transitions. [2024-11-08 17:47:19,796 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8804500703234881 [2024-11-08 17:47:19,796 INFO L175 Difference]: Start difference. First operand has 225 places, 221 transitions, 499 flow. Second operand 3 states and 626 transitions. [2024-11-08 17:47:19,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 222 transitions, 566 flow [2024-11-08 17:47:19,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 222 transitions, 560 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:47:19,800 INFO L231 Difference]: Finished difference. Result has 224 places, 220 transitions, 497 flow [2024-11-08 17:47:19,801 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=491, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=497, PETRI_PLACES=224, PETRI_TRANSITIONS=220} [2024-11-08 17:47:19,801 INFO L277 CegarLoopForPetriNet]: 228 programPoint places, -4 predicate places. [2024-11-08 17:47:19,801 INFO L471 AbstractCegarLoop]: Abstraction has has 224 places, 220 transitions, 497 flow [2024-11-08 17:47:19,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:47:19,802 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:47:19,802 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:19,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 17:47:19,803 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-08 17:47:19,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:19,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1634830210, now seen corresponding path program 1 times [2024-11-08 17:47:19,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:47:19,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860453310] [2024-11-08 17:47:19,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:19,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:47:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:19,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:47:19,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:47:19,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860453310] [2024-11-08 17:47:19,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860453310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:19,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:19,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:47:19,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934246351] [2024-11-08 17:47:19,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:19,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:47:19,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:47:19,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:47:19,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:47:19,883 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 237 [2024-11-08 17:47:19,884 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 220 transitions, 497 flow. Second operand has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:47:19,884 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:47:19,885 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 237 [2024-11-08 17:47:19,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:47:20,115 INFO L124 PetriNetUnfolderBase]: 112/1285 cut-off events. [2024-11-08 17:47:20,115 INFO L125 PetriNetUnfolderBase]: For 116/123 co-relation queries the response was YES. [2024-11-08 17:47:20,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1770 conditions, 1285 events. 112/1285 cut-off events. For 116/123 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 7250 event pairs, 82 based on Foata normal form. 0/1182 useless extension candidates. Maximal degree in co-relation 1717. Up to 254 conditions per place. [2024-11-08 17:47:20,119 INFO L140 encePairwiseOnDemand]: 231/237 looper letters, 29 selfloop transitions, 5 changer transitions 9/230 dead transitions. [2024-11-08 17:47:20,120 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 230 transitions, 603 flow [2024-11-08 17:47:20,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:47:20,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:47:20,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 633 transitions. [2024-11-08 17:47:20,122 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.890295358649789 [2024-11-08 17:47:20,122 INFO L175 Difference]: Start difference. First operand has 224 places, 220 transitions, 497 flow. Second operand 3 states and 633 transitions. [2024-11-08 17:47:20,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 230 transitions, 603 flow [2024-11-08 17:47:20,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 230 transitions, 597 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:47:20,127 INFO L231 Difference]: Finished difference. Result has 226 places, 217 transitions, 502 flow [2024-11-08 17:47:20,127 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=491, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=502, PETRI_PLACES=226, PETRI_TRANSITIONS=217} [2024-11-08 17:47:20,128 INFO L277 CegarLoopForPetriNet]: 228 programPoint places, -2 predicate places. [2024-11-08 17:47:20,128 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 217 transitions, 502 flow [2024-11-08 17:47:20,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:47:20,129 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:47:20,129 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:20,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 17:47:20,129 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-08 17:47:20,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:20,130 INFO L85 PathProgramCache]: Analyzing trace with hash -238349530, now seen corresponding path program 1 times [2024-11-08 17:47:20,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:47:20,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564524216] [2024-11-08 17:47:20,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:20,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:47:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:47:20,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:47:20,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564524216] [2024-11-08 17:47:20,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564524216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:20,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:20,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:47:20,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616759756] [2024-11-08 17:47:20,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:20,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:47:20,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:47:20,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:47:20,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:47:20,214 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 237 [2024-11-08 17:47:20,215 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 217 transitions, 502 flow. Second operand has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:47:20,215 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:47:20,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 237 [2024-11-08 17:47:20,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:47:20,385 INFO L124 PetriNetUnfolderBase]: 73/1011 cut-off events. [2024-11-08 17:47:20,385 INFO L125 PetriNetUnfolderBase]: For 111/114 co-relation queries the response was YES. [2024-11-08 17:47:20,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1419 conditions, 1011 events. 73/1011 cut-off events. For 111/114 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4910 event pairs, 52 based on Foata normal form. 0/943 useless extension candidates. Maximal degree in co-relation 1366. Up to 172 conditions per place. [2024-11-08 17:47:20,389 INFO L140 encePairwiseOnDemand]: 232/237 looper letters, 28 selfloop transitions, 5 changer transitions 0/224 dead transitions. [2024-11-08 17:47:20,389 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 224 transitions, 589 flow [2024-11-08 17:47:20,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:47:20,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:47:20,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 634 transitions. [2024-11-08 17:47:20,392 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8917018284106891 [2024-11-08 17:47:20,392 INFO L175 Difference]: Start difference. First operand has 226 places, 217 transitions, 502 flow. Second operand 3 states and 634 transitions. [2024-11-08 17:47:20,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 224 transitions, 589 flow [2024-11-08 17:47:20,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 224 transitions, 575 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-08 17:47:20,399 INFO L231 Difference]: Finished difference. Result has 228 places, 220 transitions, 526 flow [2024-11-08 17:47:20,400 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=526, PETRI_PLACES=228, PETRI_TRANSITIONS=220} [2024-11-08 17:47:20,400 INFO L277 CegarLoopForPetriNet]: 228 programPoint places, 0 predicate places. [2024-11-08 17:47:20,401 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 220 transitions, 526 flow [2024-11-08 17:47:20,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:47:20,401 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:47:20,402 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:20,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 17:47:20,402 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-08 17:47:20,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:20,403 INFO L85 PathProgramCache]: Analyzing trace with hash 594234345, now seen corresponding path program 1 times [2024-11-08 17:47:20,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:47:20,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10393491] [2024-11-08 17:47:20,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:20,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:47:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:20,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:47:20,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:47:20,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10393491] [2024-11-08 17:47:20,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10393491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:20,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:20,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:47:20,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115277635] [2024-11-08 17:47:20,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:20,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:47:20,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:47:20,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:47:20,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:47:20,503 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 237 [2024-11-08 17:47:20,504 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 220 transitions, 526 flow. Second operand has 3 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:47:20,504 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:47:20,504 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 237 [2024-11-08 17:47:20,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:47:20,690 INFO L124 PetriNetUnfolderBase]: 63/1035 cut-off events. [2024-11-08 17:47:20,690 INFO L125 PetriNetUnfolderBase]: For 198/203 co-relation queries the response was YES. [2024-11-08 17:47:20,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1472 conditions, 1035 events. 63/1035 cut-off events. For 198/203 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 5091 event pairs, 30 based on Foata normal form. 0/972 useless extension candidates. Maximal degree in co-relation 1418. Up to 110 conditions per place. [2024-11-08 17:47:20,693 INFO L140 encePairwiseOnDemand]: 232/237 looper letters, 24 selfloop transitions, 3 changer transitions 12/232 dead transitions. [2024-11-08 17:47:20,693 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 232 transitions, 644 flow [2024-11-08 17:47:20,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:47:20,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:47:20,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 642 transitions. [2024-11-08 17:47:20,695 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9029535864978903 [2024-11-08 17:47:20,695 INFO L175 Difference]: Start difference. First operand has 228 places, 220 transitions, 526 flow. Second operand 3 states and 642 transitions. [2024-11-08 17:47:20,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 232 transitions, 644 flow [2024-11-08 17:47:20,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 232 transitions, 634 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:47:20,701 INFO L231 Difference]: Finished difference. Result has 230 places, 218 transitions, 530 flow [2024-11-08 17:47:20,701 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=516, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=530, PETRI_PLACES=230, PETRI_TRANSITIONS=218} [2024-11-08 17:47:20,702 INFO L277 CegarLoopForPetriNet]: 228 programPoint places, 2 predicate places. [2024-11-08 17:47:20,702 INFO L471 AbstractCegarLoop]: Abstraction has has 230 places, 218 transitions, 530 flow [2024-11-08 17:47:20,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:47:20,702 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:47:20,703 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:20,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 17:47:20,703 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-08 17:47:20,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:20,704 INFO L85 PathProgramCache]: Analyzing trace with hash -248028292, now seen corresponding path program 1 times [2024-11-08 17:47:20,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:47:20,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735426593] [2024-11-08 17:47:20,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:20,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:47:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:21,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:47:21,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:47:21,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735426593] [2024-11-08 17:47:21,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735426593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:21,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:21,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:47:21,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935669993] [2024-11-08 17:47:21,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:21,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:47:21,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:47:21,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:47:21,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:47:21,486 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 237 [2024-11-08 17:47:21,488 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 218 transitions, 530 flow. Second operand has 7 states, 7 states have (on average 208.14285714285714) internal successors, (1457), 7 states have internal predecessors, (1457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:47:21,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:47:21,489 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 237 [2024-11-08 17:47:21,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:47:21,631 INFO L124 PetriNetUnfolderBase]: 16/563 cut-off events. [2024-11-08 17:47:21,631 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2024-11-08 17:47:21,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 739 conditions, 563 events. 16/563 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1656 event pairs, 2 based on Foata normal form. 6/540 useless extension candidates. Maximal degree in co-relation 681. Up to 45 conditions per place. [2024-11-08 17:47:21,633 INFO L140 encePairwiseOnDemand]: 231/237 looper letters, 0 selfloop transitions, 0 changer transitions 209/209 dead transitions. [2024-11-08 17:47:21,633 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 209 transitions, 543 flow [2024-11-08 17:47:21,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:47:21,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 17:47:21,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1261 transitions. [2024-11-08 17:47:21,636 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8867791842475387 [2024-11-08 17:47:21,636 INFO L175 Difference]: Start difference. First operand has 230 places, 218 transitions, 530 flow. Second operand 6 states and 1261 transitions. [2024-11-08 17:47:21,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 209 transitions, 543 flow [2024-11-08 17:47:21,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 209 transitions, 502 flow, removed 8 selfloop flow, removed 8 redundant places. [2024-11-08 17:47:21,639 INFO L231 Difference]: Finished difference. Result has 217 places, 0 transitions, 0 flow [2024-11-08 17:47:21,640 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=436, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=217, PETRI_TRANSITIONS=0} [2024-11-08 17:47:21,640 INFO L277 CegarLoopForPetriNet]: 228 programPoint places, -11 predicate places. [2024-11-08 17:47:21,640 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 0 transitions, 0 flow [2024-11-08 17:47:21,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 208.14285714285714) internal successors, (1457), 7 states have internal predecessors, (1457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:47:21,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 14 remaining) [2024-11-08 17:47:21,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining) [2024-11-08 17:47:21,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 14 remaining) [2024-11-08 17:47:21,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 14 remaining) [2024-11-08 17:47:21,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining) [2024-11-08 17:47:21,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 14 remaining) [2024-11-08 17:47:21,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 14 remaining) [2024-11-08 17:47:21,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 14 remaining) [2024-11-08 17:47:21,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 14 remaining) [2024-11-08 17:47:21,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining) [2024-11-08 17:47:21,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining) [2024-11-08 17:47:21,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining) [2024-11-08 17:47:21,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining) [2024-11-08 17:47:21,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining) [2024-11-08 17:47:21,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 17:47:21,649 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:21,654 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 17:47:21,655 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:47:21,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:47:21 BasicIcfg [2024-11-08 17:47:21,661 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:47:21,662 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:47:21,662 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:47:21,662 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:47:21,663 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:47:15" (3/4) ... [2024-11-08 17:47:21,665 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 17:47:21,668 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-08 17:47:21,673 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-08 17:47:21,673 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 17:47:21,673 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 17:47:21,674 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 17:47:21,760 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0a1b29-8834-4eaf-a14e-f7be73244f32/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 17:47:21,761 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0a1b29-8834-4eaf-a14e-f7be73244f32/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 17:47:21,763 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:47:21,764 INFO L158 Benchmark]: Toolchain (without parser) took 7814.92ms. Allocated memory was 172.0MB in the beginning and 251.7MB in the end (delta: 79.7MB). Free memory was 128.4MB in the beginning and 73.1MB in the end (delta: 55.3MB). Peak memory consumption was 138.0MB. Max. memory is 16.1GB. [2024-11-08 17:47:21,764 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory was 83.5MB in the beginning and 83.5MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:47:21,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 653.27ms. Allocated memory is still 172.0MB. Free memory was 128.4MB in the beginning and 104.5MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 17:47:21,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.91ms. Allocated memory is still 172.0MB. Free memory was 104.5MB in the beginning and 102.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:47:21,765 INFO L158 Benchmark]: Boogie Preprocessor took 31.15ms. Allocated memory is still 172.0MB. Free memory was 102.4MB in the beginning and 100.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:47:21,766 INFO L158 Benchmark]: RCFGBuilder took 689.08ms. Allocated memory is still 172.0MB. Free memory was 100.3MB in the beginning and 130.3MB in the end (delta: -30.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 17:47:21,766 INFO L158 Benchmark]: TraceAbstraction took 6283.61ms. Allocated memory was 172.0MB in the beginning and 251.7MB in the end (delta: 79.7MB). Free memory was 129.2MB in the beginning and 78.3MB in the end (delta: 50.9MB). Peak memory consumption was 129.6MB. Max. memory is 16.1GB. [2024-11-08 17:47:21,766 INFO L158 Benchmark]: Witness Printer took 101.76ms. Allocated memory is still 251.7MB. Free memory was 78.3MB in the beginning and 73.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 17:47:21,768 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory was 83.5MB in the beginning and 83.5MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 653.27ms. Allocated memory is still 172.0MB. Free memory was 128.4MB in the beginning and 104.5MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.91ms. Allocated memory is still 172.0MB. Free memory was 104.5MB in the beginning and 102.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.15ms. Allocated memory is still 172.0MB. Free memory was 102.4MB in the beginning and 100.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 689.08ms. Allocated memory is still 172.0MB. Free memory was 100.3MB in the beginning and 130.3MB in the end (delta: -30.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 6283.61ms. Allocated memory was 172.0MB in the beginning and 251.7MB in the end (delta: 79.7MB). Free memory was 129.2MB in the beginning and 78.3MB in the end (delta: 50.9MB). Peak memory consumption was 129.6MB. Max. memory is 16.1GB. * Witness Printer took 101.76ms. Allocated memory is still 251.7MB. Free memory was 78.3MB in the beginning and 73.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 738]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 739]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 742]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 746]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 717]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: 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, 332 locations, 14 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.1s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 442 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 269 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 810 IncrementalHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 34 mSDtfsCounter, 810 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=540occurred in iteration=4, InterpolantAutomatonStates: 38, 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, 1.5s InterpolantComputationTime, 985 NumberOfCodeBlocks, 985 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 974 ConstructedInterpolants, 0 QuantifiedInterpolants, 2337 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 9 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-08 17:47:21,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0a1b29-8834-4eaf-a14e-f7be73244f32/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE