./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a31eee-6e61-4113-8db4-902691efb25d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a31eee-6e61-4113-8db4-902691efb25d/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a31eee-6e61-4113-8db4-902691efb25d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a31eee-6e61-4113-8db4-902691efb25d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a31eee-6e61-4113-8db4-902691efb25d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a31eee-6e61-4113-8db4-902691efb25d/bin/uautomizer-verify-aQ6SnzHsRB --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 21bb8f266262880d0d6873fb2e4e8bc5cd60f79baa0774ffc8a8aedd31b66692 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:56:02,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:56:02,830 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a31eee-6e61-4113-8db4-902691efb25d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 19:56:02,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:56:02,839 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:56:02,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:56:02,881 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:56:02,881 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:56:02,881 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 19:56:02,882 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 19:56:02,883 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:56:02,884 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:56:02,884 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:56:02,884 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:56:02,885 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 19:56:02,885 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 19:56:02,885 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 19:56:02,885 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 19:56:02,886 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:56:02,886 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 19:56:02,886 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 19:56:02,886 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 19:56:02,886 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 19:56:02,886 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 19:56:02,886 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 19:56:02,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:56:02,887 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:56:02,887 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:56:02,887 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 19:56:02,887 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:56:02,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:56:02,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:56:02,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:56:02,887 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:56:02,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:56:02,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:56:02,887 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:56:02,887 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 19:56:02,887 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 19:56:02,888 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 19:56:02,888 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 19:56:02,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 19:56:02,888 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 19:56:02,889 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 19:56:02,890 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 19:56:02,890 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 19:56:02,890 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_03a31eee-6e61-4113-8db4-902691efb25d/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 21bb8f266262880d0d6873fb2e4e8bc5cd60f79baa0774ffc8a8aedd31b66692 [2024-11-27 19:56:03,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:56:03,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:56:03,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:56:03,301 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:56:03,302 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:56:03,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a31eee-6e61-4113-8db4-902691efb25d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-3.i [2024-11-27 19:56:06,473 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a31eee-6e61-4113-8db4-902691efb25d/bin/uautomizer-verify-aQ6SnzHsRB/data/1122ab96a/b7237a03d94c4258a7e68f5e851e2154/FLAGcb20c1eff [2024-11-27 19:56:06,837 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:56:06,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a31eee-6e61-4113-8db4-902691efb25d/sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-3.i [2024-11-27 19:56:06,855 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a31eee-6e61-4113-8db4-902691efb25d/bin/uautomizer-verify-aQ6SnzHsRB/data/1122ab96a/b7237a03d94c4258a7e68f5e851e2154/FLAGcb20c1eff [2024-11-27 19:56:07,049 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a31eee-6e61-4113-8db4-902691efb25d/bin/uautomizer-verify-aQ6SnzHsRB/data/1122ab96a/b7237a03d94c4258a7e68f5e851e2154 [2024-11-27 19:56:07,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:56:07,052 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:56:07,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:56:07,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:56:07,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:56:07,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:56:07" (1/1) ... [2024-11-27 19:56:07,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67833c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:07, skipping insertion in model container [2024-11-27 19:56:07,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:56:07" (1/1) ... [2024-11-27 19:56:07,096 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:56:07,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:56:07,685 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:56:07,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:56:07,824 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:56:07,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:07 WrapperNode [2024-11-27 19:56:07,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:56:07,828 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:56:07,828 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:56:07,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:56:07,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:07" (1/1) ... [2024-11-27 19:56:07,850 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:07" (1/1) ... [2024-11-27 19:56:07,883 INFO L138 Inliner]: procedures = 267, calls = 41, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 265 [2024-11-27 19:56:07,884 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:56:07,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:56:07,885 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:56:07,885 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:56:07,893 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:07" (1/1) ... [2024-11-27 19:56:07,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:07" (1/1) ... [2024-11-27 19:56:07,899 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:07" (1/1) ... [2024-11-27 19:56:07,899 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:07" (1/1) ... [2024-11-27 19:56:07,913 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:07" (1/1) ... [2024-11-27 19:56:07,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:07" (1/1) ... [2024-11-27 19:56:07,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:07" (1/1) ... [2024-11-27 19:56:07,921 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:07" (1/1) ... [2024-11-27 19:56:07,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:07" (1/1) ... [2024-11-27 19:56:07,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:56:07,931 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:56:07,931 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:56:07,932 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:56:07,932 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:07" (1/1) ... [2024-11-27 19:56:07,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:56:07,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a31eee-6e61-4113-8db4-902691efb25d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:56:07,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a31eee-6e61-4113-8db4-902691efb25d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 19:56:07,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a31eee-6e61-4113-8db4-902691efb25d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 19:56:07,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 19:56:07,994 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-27 19:56:07,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 19:56:07,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 19:56:07,995 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-27 19:56:07,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 19:56:07,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 19:56:07,995 INFO L130 BoogieDeclarations]: Found specification of procedure cleaner [2024-11-27 19:56:07,995 INFO L138 BoogieDeclarations]: Found implementation of procedure cleaner [2024-11-27 19:56:07,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 19:56:07,996 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-11-27 19:56:07,996 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-11-27 19:56:07,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:56:07,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:56:07,998 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 19:56:08,177 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:56:08,179 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:56:08,885 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 19:56:08,885 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:56:08,962 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:56:08,965 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-27 19:56:08,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:56:08 BoogieIcfgContainer [2024-11-27 19:56:08,966 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:56:08,969 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 19:56:08,971 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 19:56:08,977 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 19:56:08,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 07:56:07" (1/3) ... [2024-11-27 19:56:08,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eeb3b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:56:08, skipping insertion in model container [2024-11-27 19:56:08,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:56:07" (2/3) ... [2024-11-27 19:56:08,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eeb3b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:56:08, skipping insertion in model container [2024-11-27 19:56:08,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:56:08" (3/3) ... [2024-11-27 19:56:08,998 INFO L128 eAbstractionObserver]: Analyzing ICFG per-thread-array-join-counter-race-3.i [2024-11-27 19:56:09,014 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 19:56:09,016 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG per-thread-array-join-counter-race-3.i that has 3 procedures, 384 locations, 1 initial locations, 5 loop locations, and 34 error locations. [2024-11-27 19:56:09,016 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 19:56:09,138 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-27 19:56:09,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 456 places, 465 transitions, 944 flow [2024-11-27 19:56:09,581 INFO L124 PetriNetUnfolderBase]: 21/586 cut-off events. [2024-11-27 19:56:09,586 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-27 19:56:09,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 597 conditions, 586 events. 21/586 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 896 event pairs, 0 based on Foata normal form. 0/501 useless extension candidates. Maximal degree in co-relation 374. Up to 6 conditions per place. [2024-11-27 19:56:09,604 INFO L82 GeneralOperation]: Start removeDead. Operand has 456 places, 465 transitions, 944 flow [2024-11-27 19:56:09,614 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 389 places, 394 transitions, 798 flow [2024-11-27 19:56:09,626 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:56:09,640 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;@c00d8d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:56:09,641 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2024-11-27 19:56:09,674 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 19:56:09,675 INFO L124 PetriNetUnfolderBase]: 0/147 cut-off events. [2024-11-27 19:56:09,675 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 19:56:09,675 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:56:09,676 INFO L206 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] [2024-11-27 19:56:09,676 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-27 19:56:09,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:09,685 INFO L85 PathProgramCache]: Analyzing trace with hash -954683147, now seen corresponding path program 1 times [2024-11-27 19:56:09,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:56:09,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096855326] [2024-11-27 19:56:09,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:09,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:56:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:10,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:56:10,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:56:10,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096855326] [2024-11-27 19:56:10,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096855326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:10,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:10,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:56:10,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153761740] [2024-11-27 19:56:10,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:10,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:56:10,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:56:10,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:56:10,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:56:10,376 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 465 [2024-11-27 19:56:10,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 394 transitions, 798 flow. Second operand has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:10,382 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:56:10,382 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 465 [2024-11-27 19:56:10,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:56:12,039 INFO L124 PetriNetUnfolderBase]: 654/4258 cut-off events. [2024-11-27 19:56:12,039 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-27 19:56:12,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5294 conditions, 4258 events. 654/4258 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 32780 event pairs, 489 based on Foata normal form. 182/3744 useless extension candidates. Maximal degree in co-relation 5062. Up to 1006 conditions per place. [2024-11-27 19:56:12,090 INFO L140 encePairwiseOnDemand]: 455/465 looper letters, 28 selfloop transitions, 2 changer transitions 1/384 dead transitions. [2024-11-27 19:56:12,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 384 transitions, 838 flow [2024-11-27 19:56:12,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:56:12,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:56:12,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1292 transitions. [2024-11-27 19:56:12,121 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9261648745519713 [2024-11-27 19:56:12,127 INFO L175 Difference]: Start difference. First operand has 389 places, 394 transitions, 798 flow. Second operand 3 states and 1292 transitions. [2024-11-27 19:56:12,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 384 transitions, 838 flow [2024-11-27 19:56:12,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 384 transitions, 837 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 19:56:12,152 INFO L231 Difference]: Finished difference. Result has 386 places, 383 transitions, 779 flow [2024-11-27 19:56:12,157 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=465, PETRI_DIFFERENCE_MINUEND_FLOW=777, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=779, PETRI_PLACES=386, PETRI_TRANSITIONS=383} [2024-11-27 19:56:12,161 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -3 predicate places. [2024-11-27 19:56:12,162 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 383 transitions, 779 flow [2024-11-27 19:56:12,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:12,167 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:56:12,167 INFO L206 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] [2024-11-27 19:56:12,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 19:56:12,168 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-27 19:56:12,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:12,169 INFO L85 PathProgramCache]: Analyzing trace with hash 976181804, now seen corresponding path program 1 times [2024-11-27 19:56:12,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:56:12,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179265438] [2024-11-27 19:56:12,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:12,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:56:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:12,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:56:12,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:56:12,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179265438] [2024-11-27 19:56:12,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179265438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:12,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:12,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:56:12,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997872828] [2024-11-27 19:56:12,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:12,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:56:12,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:56:12,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:56:12,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:56:12,511 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 465 [2024-11-27 19:56:12,513 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 383 transitions, 779 flow. Second operand has 3 states, 3 states have (on average 409.0) internal successors, (1227), 3 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:12,514 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:56:12,514 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 465 [2024-11-27 19:56:12,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:56:13,710 INFO L124 PetriNetUnfolderBase]: 760/4455 cut-off events. [2024-11-27 19:56:13,710 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-11-27 19:56:13,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5669 conditions, 4455 events. 760/4455 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 34650 event pairs, 564 based on Foata normal form. 0/3803 useless extension candidates. Maximal degree in co-relation 5512. Up to 1180 conditions per place. [2024-11-27 19:56:13,749 INFO L140 encePairwiseOnDemand]: 457/465 looper letters, 31 selfloop transitions, 1 changer transitions 0/376 dead transitions. [2024-11-27 19:56:13,750 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 376 transitions, 829 flow [2024-11-27 19:56:13,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:56:13,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:56:13,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1263 transitions. [2024-11-27 19:56:13,755 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9053763440860215 [2024-11-27 19:56:13,755 INFO L175 Difference]: Start difference. First operand has 386 places, 383 transitions, 779 flow. Second operand 3 states and 1263 transitions. [2024-11-27 19:56:13,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 376 transitions, 829 flow [2024-11-27 19:56:13,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 376 transitions, 825 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:56:13,764 INFO L231 Difference]: Finished difference. Result has 378 places, 376 transitions, 763 flow [2024-11-27 19:56:13,764 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=465, PETRI_DIFFERENCE_MINUEND_FLOW=761, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=763, PETRI_PLACES=378, PETRI_TRANSITIONS=376} [2024-11-27 19:56:13,766 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -11 predicate places. [2024-11-27 19:56:13,766 INFO L471 AbstractCegarLoop]: Abstraction has has 378 places, 376 transitions, 763 flow [2024-11-27 19:56:13,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 409.0) internal successors, (1227), 3 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:13,767 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:56:13,768 INFO L206 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] [2024-11-27 19:56:13,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 19:56:13,769 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-27 19:56:13,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:13,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1368249601, now seen corresponding path program 1 times [2024-11-27 19:56:13,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:56:13,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542288995] [2024-11-27 19:56:13,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:13,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:56:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:13,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:56:13,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:56:13,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542288995] [2024-11-27 19:56:13,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542288995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:13,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:13,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:56:13,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804586218] [2024-11-27 19:56:13,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:13,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:56:13,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:56:13,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:56:13,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:56:14,049 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 465 [2024-11-27 19:56:14,052 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 376 transitions, 763 flow. Second operand has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:14,052 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:56:14,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 465 [2024-11-27 19:56:14,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:56:15,420 INFO L124 PetriNetUnfolderBase]: 725/4635 cut-off events. [2024-11-27 19:56:15,421 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2024-11-27 19:56:15,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5778 conditions, 4635 events. 725/4635 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 37416 event pairs, 548 based on Foata normal form. 0/3925 useless extension candidates. Maximal degree in co-relation 5621. Up to 1111 conditions per place. [2024-11-27 19:56:15,476 INFO L140 encePairwiseOnDemand]: 462/465 looper letters, 24 selfloop transitions, 2 changer transitions 0/375 dead transitions. [2024-11-27 19:56:15,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 375 transitions, 813 flow [2024-11-27 19:56:15,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:56:15,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:56:15,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1293 transitions. [2024-11-27 19:56:15,486 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9268817204301075 [2024-11-27 19:56:15,487 INFO L175 Difference]: Start difference. First operand has 378 places, 376 transitions, 763 flow. Second operand 3 states and 1293 transitions. [2024-11-27 19:56:15,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 375 transitions, 813 flow [2024-11-27 19:56:15,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 375 transitions, 812 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 19:56:15,498 INFO L231 Difference]: Finished difference. Result has 378 places, 375 transitions, 764 flow [2024-11-27 19:56:15,499 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=465, PETRI_DIFFERENCE_MINUEND_FLOW=760, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=764, PETRI_PLACES=378, PETRI_TRANSITIONS=375} [2024-11-27 19:56:15,500 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -11 predicate places. [2024-11-27 19:56:15,501 INFO L471 AbstractCegarLoop]: Abstraction has has 378 places, 375 transitions, 764 flow [2024-11-27 19:56:15,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:15,502 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:56:15,502 INFO L206 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:56:15,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 19:56:15,502 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-27 19:56:15,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:15,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1376646040, now seen corresponding path program 1 times [2024-11-27 19:56:15,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:56:15,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904889232] [2024-11-27 19:56:15,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:15,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:56:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:15,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:56:15,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:56:15,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904889232] [2024-11-27 19:56:15,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904889232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:15,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:15,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:56:15,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428798528] [2024-11-27 19:56:15,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:15,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:56:15,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:56:15,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:56:15,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:56:15,806 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 465 [2024-11-27 19:56:15,809 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 375 transitions, 764 flow. Second operand has 3 states, 3 states have (on average 422.3333333333333) internal successors, (1267), 3 states have internal predecessors, (1267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:15,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:56:15,810 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 465 [2024-11-27 19:56:15,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:56:17,169 INFO L124 PetriNetUnfolderBase]: 849/4475 cut-off events. [2024-11-27 19:56:17,170 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-27 19:56:17,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5782 conditions, 4475 events. 849/4475 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 34565 event pairs, 607 based on Foata normal form. 0/3808 useless extension candidates. Maximal degree in co-relation 5625. Up to 1267 conditions per place. [2024-11-27 19:56:17,203 INFO L140 encePairwiseOnDemand]: 462/465 looper letters, 24 selfloop transitions, 2 changer transitions 0/374 dead transitions. [2024-11-27 19:56:17,203 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 374 transitions, 814 flow [2024-11-27 19:56:17,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:56:17,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:56:17,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1290 transitions. [2024-11-27 19:56:17,208 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9247311827956989 [2024-11-27 19:56:17,209 INFO L175 Difference]: Start difference. First operand has 378 places, 375 transitions, 764 flow. Second operand 3 states and 1290 transitions. [2024-11-27 19:56:17,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 374 transitions, 814 flow [2024-11-27 19:56:17,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 374 transitions, 810 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:56:17,216 INFO L231 Difference]: Finished difference. Result has 377 places, 374 transitions, 762 flow [2024-11-27 19:56:17,217 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=465, PETRI_DIFFERENCE_MINUEND_FLOW=758, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=762, PETRI_PLACES=377, PETRI_TRANSITIONS=374} [2024-11-27 19:56:17,219 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -12 predicate places. [2024-11-27 19:56:17,220 INFO L471 AbstractCegarLoop]: Abstraction has has 377 places, 374 transitions, 762 flow [2024-11-27 19:56:17,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 422.3333333333333) internal successors, (1267), 3 states have internal predecessors, (1267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:17,221 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:56:17,221 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:56:17,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 19:56:17,221 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-27 19:56:17,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:17,222 INFO L85 PathProgramCache]: Analyzing trace with hash -435584276, now seen corresponding path program 1 times [2024-11-27 19:56:17,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:56:17,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4221794] [2024-11-27 19:56:17,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:17,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:56:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:17,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:56:17,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:56:17,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4221794] [2024-11-27 19:56:17,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4221794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:17,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:17,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:56:17,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405187410] [2024-11-27 19:56:17,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:17,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:56:17,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:56:17,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:56:17,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:56:17,451 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 465 [2024-11-27 19:56:17,453 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 374 transitions, 762 flow. Second operand has 3 states, 3 states have (on average 420.3333333333333) internal successors, (1261), 3 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:17,454 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:56:17,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 465 [2024-11-27 19:56:17,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:56:18,534 INFO L124 PetriNetUnfolderBase]: 991/4594 cut-off events. [2024-11-27 19:56:18,534 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-11-27 19:56:18,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6111 conditions, 4594 events. 991/4594 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 35857 event pairs, 713 based on Foata normal form. 0/3924 useless extension candidates. Maximal degree in co-relation 5954. Up to 1475 conditions per place. [2024-11-27 19:56:18,567 INFO L140 encePairwiseOnDemand]: 462/465 looper letters, 26 selfloop transitions, 2 changer transitions 0/373 dead transitions. [2024-11-27 19:56:18,568 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 373 transitions, 816 flow [2024-11-27 19:56:18,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:56:18,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:56:18,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-11-27 19:56:18,571 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9218637992831541 [2024-11-27 19:56:18,571 INFO L175 Difference]: Start difference. First operand has 377 places, 374 transitions, 762 flow. Second operand 3 states and 1286 transitions. [2024-11-27 19:56:18,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 373 transitions, 816 flow [2024-11-27 19:56:18,574 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 373 transitions, 812 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:56:18,578 INFO L231 Difference]: Finished difference. Result has 376 places, 373 transitions, 760 flow [2024-11-27 19:56:18,578 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=465, PETRI_DIFFERENCE_MINUEND_FLOW=756, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=760, PETRI_PLACES=376, PETRI_TRANSITIONS=373} [2024-11-27 19:56:18,580 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -13 predicate places. [2024-11-27 19:56:18,580 INFO L471 AbstractCegarLoop]: Abstraction has has 376 places, 373 transitions, 760 flow [2024-11-27 19:56:18,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.3333333333333) internal successors, (1261), 3 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:18,582 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:56:18,582 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:56:18,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 19:56:18,582 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-27 19:56:18,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:18,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1687680684, now seen corresponding path program 1 times [2024-11-27 19:56:18,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:56:18,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009626844] [2024-11-27 19:56:18,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:18,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:56:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:18,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:56:18,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:56:18,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009626844] [2024-11-27 19:56:18,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009626844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:18,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:18,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:56:18,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654057617] [2024-11-27 19:56:18,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:18,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:56:18,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:56:18,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:56:18,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:56:18,795 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 465 [2024-11-27 19:56:18,797 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 373 transitions, 760 flow. Second operand has 3 states, 3 states have (on average 412.0) internal successors, (1236), 3 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:18,797 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:56:18,798 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 465 [2024-11-27 19:56:18,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:56:20,072 INFO L124 PetriNetUnfolderBase]: 1451/5104 cut-off events. [2024-11-27 19:56:20,073 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-11-27 19:56:20,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7298 conditions, 5104 events. 1451/5104 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 38770 event pairs, 507 based on Foata normal form. 0/4514 useless extension candidates. Maximal degree in co-relation 7142. Up to 2100 conditions per place. [2024-11-27 19:56:20,109 INFO L140 encePairwiseOnDemand]: 457/465 looper letters, 38 selfloop transitions, 3 changer transitions 0/381 dead transitions. [2024-11-27 19:56:20,109 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 381 transitions, 863 flow [2024-11-27 19:56:20,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:56:20,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:56:20,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1279 transitions. [2024-11-27 19:56:20,113 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9168458781362007 [2024-11-27 19:56:20,114 INFO L175 Difference]: Start difference. First operand has 376 places, 373 transitions, 760 flow. Second operand 3 states and 1279 transitions. [2024-11-27 19:56:20,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 381 transitions, 863 flow [2024-11-27 19:56:20,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 381 transitions, 859 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:56:20,127 INFO L231 Difference]: Finished difference. Result has 372 places, 371 transitions, 767 flow [2024-11-27 19:56:20,129 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=465, PETRI_DIFFERENCE_MINUEND_FLOW=746, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=767, PETRI_PLACES=372, PETRI_TRANSITIONS=371} [2024-11-27 19:56:20,130 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -17 predicate places. [2024-11-27 19:56:20,130 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 371 transitions, 767 flow [2024-11-27 19:56:20,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 412.0) internal successors, (1236), 3 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:20,131 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:56:20,132 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:56:20,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 19:56:20,132 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-27 19:56:20,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:20,133 INFO L85 PathProgramCache]: Analyzing trace with hash 691331626, now seen corresponding path program 1 times [2024-11-27 19:56:20,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:56:20,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697936409] [2024-11-27 19:56:20,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:20,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:56:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:20,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:56:20,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:56:20,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697936409] [2024-11-27 19:56:20,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697936409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:20,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:20,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:56:20,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978373796] [2024-11-27 19:56:20,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:20,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:56:20,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:56:20,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:56:20,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:56:20,297 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 465 [2024-11-27 19:56:20,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 371 transitions, 767 flow. Second operand has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:20,299 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:56:20,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 465 [2024-11-27 19:56:20,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:56:21,651 INFO L124 PetriNetUnfolderBase]: 958/5577 cut-off events. [2024-11-27 19:56:21,651 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-11-27 19:56:21,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7258 conditions, 5577 events. 958/5577 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 48027 event pairs, 625 based on Foata normal form. 0/4950 useless extension candidates. Maximal degree in co-relation 7102. Up to 1485 conditions per place. [2024-11-27 19:56:21,704 INFO L140 encePairwiseOnDemand]: 459/465 looper letters, 30 selfloop transitions, 3 changer transitions 0/377 dead transitions. [2024-11-27 19:56:21,704 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 377 transitions, 845 flow [2024-11-27 19:56:21,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:56:21,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:56:21,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1296 transitions. [2024-11-27 19:56:21,709 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9290322580645162 [2024-11-27 19:56:21,710 INFO L175 Difference]: Start difference. First operand has 372 places, 371 transitions, 767 flow. Second operand 3 states and 1296 transitions. [2024-11-27 19:56:21,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 377 transitions, 845 flow [2024-11-27 19:56:21,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 377 transitions, 845 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 19:56:21,720 INFO L231 Difference]: Finished difference. Result has 372 places, 371 transitions, 782 flow [2024-11-27 19:56:21,720 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=465, PETRI_DIFFERENCE_MINUEND_FLOW=761, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=782, PETRI_PLACES=372, PETRI_TRANSITIONS=371} [2024-11-27 19:56:21,721 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -17 predicate places. [2024-11-27 19:56:21,722 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 371 transitions, 782 flow [2024-11-27 19:56:21,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:21,723 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:56:21,723 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:56:21,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 19:56:21,723 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting cleanerErr2ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-27 19:56:21,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:21,724 INFO L85 PathProgramCache]: Analyzing trace with hash 948790372, now seen corresponding path program 1 times [2024-11-27 19:56:21,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:56:21,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683194974] [2024-11-27 19:56:21,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:21,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:56:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:21,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:56:21,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:56:21,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683194974] [2024-11-27 19:56:21,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683194974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:21,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:21,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:56:21,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242834015] [2024-11-27 19:56:21,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:21,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:56:21,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:56:21,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:56:21,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:56:21,929 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 465 [2024-11-27 19:56:21,931 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 371 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 418.6666666666667) internal successors, (1256), 3 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:21,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:56:21,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 465 [2024-11-27 19:56:21,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:56:23,158 INFO L124 PetriNetUnfolderBase]: 1295/5668 cut-off events. [2024-11-27 19:56:23,158 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2024-11-27 19:56:23,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7742 conditions, 5668 events. 1295/5668 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 46127 event pairs, 516 based on Foata normal form. 0/5050 useless extension candidates. Maximal degree in co-relation 7585. Up to 1640 conditions per place. [2024-11-27 19:56:23,196 INFO L140 encePairwiseOnDemand]: 460/465 looper letters, 35 selfloop transitions, 2 changer transitions 0/381 dead transitions. [2024-11-27 19:56:23,197 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 381 transitions, 879 flow [2024-11-27 19:56:23,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:56:23,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:56:23,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1291 transitions. [2024-11-27 19:56:23,200 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9254480286738351 [2024-11-27 19:56:23,200 INFO L175 Difference]: Start difference. First operand has 372 places, 371 transitions, 782 flow. Second operand 3 states and 1291 transitions. [2024-11-27 19:56:23,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 381 transitions, 879 flow [2024-11-27 19:56:23,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 381 transitions, 879 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 19:56:23,208 INFO L231 Difference]: Finished difference. Result has 372 places, 370 transitions, 790 flow [2024-11-27 19:56:23,208 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=465, PETRI_DIFFERENCE_MINUEND_FLOW=776, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=790, PETRI_PLACES=372, PETRI_TRANSITIONS=370} [2024-11-27 19:56:23,209 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -17 predicate places. [2024-11-27 19:56:23,209 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 370 transitions, 790 flow [2024-11-27 19:56:23,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 418.6666666666667) internal successors, (1256), 3 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:23,210 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:56:23,210 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:56:23,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 19:56:23,210 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-27 19:56:23,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:23,211 INFO L85 PathProgramCache]: Analyzing trace with hash -137574572, now seen corresponding path program 1 times [2024-11-27 19:56:23,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:56:23,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625733165] [2024-11-27 19:56:23,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:23,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:56:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:23,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:56:23,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:56:23,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625733165] [2024-11-27 19:56:23,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625733165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:23,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:23,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:56:23,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053092094] [2024-11-27 19:56:23,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:23,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:56:23,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:56:23,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:56:23,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:56:23,380 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 465 [2024-11-27 19:56:23,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 370 transitions, 790 flow. Second operand has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:23,382 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:56:23,382 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 465 [2024-11-27 19:56:23,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:56:25,237 INFO L124 PetriNetUnfolderBase]: 1910/8652 cut-off events. [2024-11-27 19:56:25,237 INFO L125 PetriNetUnfolderBase]: For 81/89 co-relation queries the response was YES. [2024-11-27 19:56:25,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12153 conditions, 8652 events. 1910/8652 cut-off events. For 81/89 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 76560 event pairs, 709 based on Foata normal form. 0/7627 useless extension candidates. Maximal degree in co-relation 11995. Up to 1583 conditions per place. [2024-11-27 19:56:25,287 INFO L140 encePairwiseOnDemand]: 454/465 looper letters, 44 selfloop transitions, 8 changer transitions 0/394 dead transitions. [2024-11-27 19:56:25,287 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 394 transitions, 948 flow [2024-11-27 19:56:25,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:56:25,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:56:25,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1309 transitions. [2024-11-27 19:56:25,291 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9383512544802868 [2024-11-27 19:56:25,291 INFO L175 Difference]: Start difference. First operand has 372 places, 370 transitions, 790 flow. Second operand 3 states and 1309 transitions. [2024-11-27 19:56:25,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 394 transitions, 948 flow [2024-11-27 19:56:25,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 394 transitions, 948 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 19:56:25,299 INFO L231 Difference]: Finished difference. Result has 376 places, 378 transitions, 860 flow [2024-11-27 19:56:25,300 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=465, PETRI_DIFFERENCE_MINUEND_FLOW=790, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=860, PETRI_PLACES=376, PETRI_TRANSITIONS=378} [2024-11-27 19:56:25,301 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -13 predicate places. [2024-11-27 19:56:25,301 INFO L471 AbstractCegarLoop]: Abstraction has has 376 places, 378 transitions, 860 flow [2024-11-27 19:56:25,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:25,302 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:56:25,302 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:56:25,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 19:56:25,302 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting cleanerErr3ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-27 19:56:25,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:25,303 INFO L85 PathProgramCache]: Analyzing trace with hash 235139667, now seen corresponding path program 1 times [2024-11-27 19:56:25,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:56:25,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933939270] [2024-11-27 19:56:25,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:25,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:56:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:25,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:56:25,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:56:25,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933939270] [2024-11-27 19:56:25,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933939270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:25,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:25,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:56:25,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662367398] [2024-11-27 19:56:25,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:25,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:56:25,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:56:25,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:56:25,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:56:25,843 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 465 [2024-11-27 19:56:25,845 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 378 transitions, 860 flow. Second operand has 3 states, 3 states have (on average 420.3333333333333) internal successors, (1261), 3 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:25,845 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:56:25,845 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 465 [2024-11-27 19:56:25,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:56:29,607 INFO L124 PetriNetUnfolderBase]: 4584/20412 cut-off events. [2024-11-27 19:56:29,607 INFO L125 PetriNetUnfolderBase]: For 382/394 co-relation queries the response was YES. [2024-11-27 19:56:29,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29392 conditions, 20412 events. 4584/20412 cut-off events. For 382/394 co-relation queries the response was YES. Maximal size of possible extension queue 286. Compared 219335 event pairs, 2480 based on Foata normal form. 0/18478 useless extension candidates. Maximal degree in co-relation 29231. Up to 5342 conditions per place. [2024-11-27 19:56:29,684 INFO L140 encePairwiseOnDemand]: 455/465 looper letters, 45 selfloop transitions, 9 changer transitions 0/401 dead transitions. [2024-11-27 19:56:29,685 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 401 transitions, 1020 flow [2024-11-27 19:56:29,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:56:29,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:56:29,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1309 transitions. [2024-11-27 19:56:29,688 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9383512544802868 [2024-11-27 19:56:29,688 INFO L175 Difference]: Start difference. First operand has 376 places, 378 transitions, 860 flow. Second operand 3 states and 1309 transitions. [2024-11-27 19:56:29,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 401 transitions, 1020 flow [2024-11-27 19:56:29,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 401 transitions, 1004 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:56:29,698 INFO L231 Difference]: Finished difference. Result has 378 places, 386 transitions, 914 flow [2024-11-27 19:56:29,698 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=465, PETRI_DIFFERENCE_MINUEND_FLOW=844, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=914, PETRI_PLACES=378, PETRI_TRANSITIONS=386} [2024-11-27 19:56:29,699 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -11 predicate places. [2024-11-27 19:56:29,701 INFO L471 AbstractCegarLoop]: Abstraction has has 378 places, 386 transitions, 914 flow [2024-11-27 19:56:29,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.3333333333333) internal successors, (1261), 3 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:29,702 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:56:29,702 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:56:29,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 19:56:29,702 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-27 19:56:29,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:29,703 INFO L85 PathProgramCache]: Analyzing trace with hash 301000767, now seen corresponding path program 1 times [2024-11-27 19:56:29,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:56:29,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265525529] [2024-11-27 19:56:29,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:29,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:56:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:29,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:56:29,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:56:29,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265525529] [2024-11-27 19:56:29,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265525529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:29,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:29,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:56:29,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077022037] [2024-11-27 19:56:29,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:29,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:56:29,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:56:29,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:56:29,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:56:30,080 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 465 [2024-11-27 19:56:30,082 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 386 transitions, 914 flow. Second operand has 5 states, 5 states have (on average 422.8) internal successors, (2114), 5 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:30,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:56:30,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 465 [2024-11-27 19:56:30,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:56:33,988 INFO L124 PetriNetUnfolderBase]: 2611/15678 cut-off events. [2024-11-27 19:56:33,988 INFO L125 PetriNetUnfolderBase]: For 515/579 co-relation queries the response was YES. [2024-11-27 19:56:34,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22157 conditions, 15678 events. 2611/15678 cut-off events. For 515/579 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 170870 event pairs, 1904 based on Foata normal form. 4/14201 useless extension candidates. Maximal degree in co-relation 21993. Up to 3513 conditions per place. [2024-11-27 19:56:34,065 INFO L140 encePairwiseOnDemand]: 456/465 looper letters, 36 selfloop transitions, 8 changer transitions 0/400 dead transitions. [2024-11-27 19:56:34,065 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 400 transitions, 1029 flow [2024-11-27 19:56:34,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:56:34,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 19:56:34,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2571 transitions. [2024-11-27 19:56:34,071 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.921505376344086 [2024-11-27 19:56:34,071 INFO L175 Difference]: Start difference. First operand has 378 places, 386 transitions, 914 flow. Second operand 6 states and 2571 transitions. [2024-11-27 19:56:34,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 400 transitions, 1029 flow [2024-11-27 19:56:34,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 400 transitions, 1011 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:56:34,089 INFO L231 Difference]: Finished difference. Result has 385 places, 390 transitions, 941 flow [2024-11-27 19:56:34,090 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=465, PETRI_DIFFERENCE_MINUEND_FLOW=891, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=941, PETRI_PLACES=385, PETRI_TRANSITIONS=390} [2024-11-27 19:56:34,091 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -4 predicate places. [2024-11-27 19:56:34,091 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 390 transitions, 941 flow [2024-11-27 19:56:34,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 422.8) internal successors, (2114), 5 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:34,092 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:56:34,092 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:56:34,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 19:56:34,093 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-27 19:56:34,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:34,094 INFO L85 PathProgramCache]: Analyzing trace with hash 745221966, now seen corresponding path program 1 times [2024-11-27 19:56:34,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:56:34,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106971498] [2024-11-27 19:56:34,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:34,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:56:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:34,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:56:34,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:56:34,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106971498] [2024-11-27 19:56:34,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106971498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:34,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:34,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:56:34,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824191565] [2024-11-27 19:56:34,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:34,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:56:34,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:56:34,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:56:34,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:56:34,227 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 465 [2024-11-27 19:56:34,229 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 390 transitions, 941 flow. Second operand has 3 states, 3 states have (on average 430.6666666666667) internal successors, (1292), 3 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:34,229 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:56:34,229 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 465 [2024-11-27 19:56:34,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:56:37,451 INFO L124 PetriNetUnfolderBase]: 3149/16187 cut-off events. [2024-11-27 19:56:37,451 INFO L125 PetriNetUnfolderBase]: For 227/258 co-relation queries the response was YES. [2024-11-27 19:56:37,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23230 conditions, 16187 events. 3149/16187 cut-off events. For 227/258 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 174069 event pairs, 1835 based on Foata normal form. 2/14417 useless extension candidates. Maximal degree in co-relation 23062. Up to 3403 conditions per place. [2024-11-27 19:56:37,551 INFO L140 encePairwiseOnDemand]: 461/465 looper letters, 29 selfloop transitions, 3 changer transitions 0/401 dead transitions. [2024-11-27 19:56:37,551 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 401 transitions, 1030 flow [2024-11-27 19:56:37,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:56:37,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:56:37,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1320 transitions. [2024-11-27 19:56:37,554 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.946236559139785 [2024-11-27 19:56:37,554 INFO L175 Difference]: Start difference. First operand has 385 places, 390 transitions, 941 flow. Second operand 3 states and 1320 transitions. [2024-11-27 19:56:37,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 401 transitions, 1030 flow [2024-11-27 19:56:37,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 401 transitions, 1026 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 19:56:37,564 INFO L231 Difference]: Finished difference. Result has 388 places, 392 transitions, 959 flow [2024-11-27 19:56:37,564 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=465, PETRI_DIFFERENCE_MINUEND_FLOW=937, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=959, PETRI_PLACES=388, PETRI_TRANSITIONS=392} [2024-11-27 19:56:37,565 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, -1 predicate places. [2024-11-27 19:56:37,565 INFO L471 AbstractCegarLoop]: Abstraction has has 388 places, 392 transitions, 959 flow [2024-11-27 19:56:37,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 430.6666666666667) internal successors, (1292), 3 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:37,566 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:56:37,566 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:56:37,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 19:56:37,567 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting cleanerErr5ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-27 19:56:37,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:37,568 INFO L85 PathProgramCache]: Analyzing trace with hash -194623937, now seen corresponding path program 1 times [2024-11-27 19:56:37,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:56:37,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464344000] [2024-11-27 19:56:37,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:37,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:56:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:37,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:56:37,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:56:37,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464344000] [2024-11-27 19:56:37,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464344000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:37,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:37,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:56:37,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50981501] [2024-11-27 19:56:37,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:37,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:56:37,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:56:37,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:56:37,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:56:38,038 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 465 [2024-11-27 19:56:38,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 392 transitions, 959 flow. Second operand has 5 states, 5 states have (on average 423.0) internal successors, (2115), 5 states have internal predecessors, (2115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:38,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:56:38,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 465 [2024-11-27 19:56:38,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:56:41,821 INFO L124 PetriNetUnfolderBase]: 3864/19999 cut-off events. [2024-11-27 19:56:41,821 INFO L125 PetriNetUnfolderBase]: For 738/770 co-relation queries the response was YES. [2024-11-27 19:56:41,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29411 conditions, 19999 events. 3864/19999 cut-off events. For 738/770 co-relation queries the response was YES. Maximal size of possible extension queue 265. Compared 222378 event pairs, 2584 based on Foata normal form. 6/18205 useless extension candidates. Maximal degree in co-relation 29240. Up to 5213 conditions per place. [2024-11-27 19:56:41,934 INFO L140 encePairwiseOnDemand]: 456/465 looper letters, 27 selfloop transitions, 4 changer transitions 17/404 dead transitions. [2024-11-27 19:56:41,934 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 404 transitions, 1074 flow [2024-11-27 19:56:41,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:56:41,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 19:56:41,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2572 transitions. [2024-11-27 19:56:41,939 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9218637992831541 [2024-11-27 19:56:41,939 INFO L175 Difference]: Start difference. First operand has 388 places, 392 transitions, 959 flow. Second operand 6 states and 2572 transitions. [2024-11-27 19:56:41,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 404 transitions, 1074 flow [2024-11-27 19:56:41,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 404 transitions, 1068 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:56:41,952 INFO L231 Difference]: Finished difference. Result has 393 places, 387 transitions, 940 flow [2024-11-27 19:56:41,953 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=465, PETRI_DIFFERENCE_MINUEND_FLOW=948, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=940, PETRI_PLACES=393, PETRI_TRANSITIONS=387} [2024-11-27 19:56:41,953 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, 4 predicate places. [2024-11-27 19:56:41,953 INFO L471 AbstractCegarLoop]: Abstraction has has 393 places, 387 transitions, 940 flow [2024-11-27 19:56:41,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 423.0) internal successors, (2115), 5 states have internal predecessors, (2115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:41,955 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:56:41,955 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:56:41,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 19:56:41,955 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-27 19:56:41,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:41,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1879058611, now seen corresponding path program 1 times [2024-11-27 19:56:41,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:56:41,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592635907] [2024-11-27 19:56:41,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:41,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:56:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:43,218 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 19:56:43,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:56:43,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592635907] [2024-11-27 19:56:43,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592635907] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:43,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:43,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:56:43,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9625938] [2024-11-27 19:56:43,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:43,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 19:56:43,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:56:43,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 19:56:43,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 19:56:43,548 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 465 [2024-11-27 19:56:43,552 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 387 transitions, 940 flow. Second operand has 6 states, 6 states have (on average 406.8333333333333) internal successors, (2441), 6 states have internal predecessors, (2441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:43,552 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:56:43,552 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 465 [2024-11-27 19:56:43,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:56:49,947 INFO L124 PetriNetUnfolderBase]: 9265/31796 cut-off events. [2024-11-27 19:56:49,948 INFO L125 PetriNetUnfolderBase]: For 2473/2591 co-relation queries the response was YES. [2024-11-27 19:56:50,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53316 conditions, 31796 events. 9265/31796 cut-off events. For 2473/2591 co-relation queries the response was YES. Maximal size of possible extension queue 604. Compared 354319 event pairs, 3988 based on Foata normal form. 1/28842 useless extension candidates. Maximal degree in co-relation 53141. Up to 11314 conditions per place. [2024-11-27 19:56:50,141 INFO L140 encePairwiseOnDemand]: 451/465 looper letters, 95 selfloop transitions, 46 changer transitions 0/483 dead transitions. [2024-11-27 19:56:50,141 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 483 transitions, 1496 flow [2024-11-27 19:56:50,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:56:50,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 19:56:50,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2555 transitions. [2024-11-27 19:56:50,146 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9157706093189965 [2024-11-27 19:56:50,146 INFO L175 Difference]: Start difference. First operand has 393 places, 387 transitions, 940 flow. Second operand 6 states and 2555 transitions. [2024-11-27 19:56:50,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 483 transitions, 1496 flow [2024-11-27 19:56:50,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 483 transitions, 1468 flow, removed 7 selfloop flow, removed 9 redundant places. [2024-11-27 19:56:50,172 INFO L231 Difference]: Finished difference. Result has 389 places, 432 transitions, 1247 flow [2024-11-27 19:56:50,173 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=465, PETRI_DIFFERENCE_MINUEND_FLOW=912, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1247, PETRI_PLACES=389, PETRI_TRANSITIONS=432} [2024-11-27 19:56:50,174 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, 0 predicate places. [2024-11-27 19:56:50,174 INFO L471 AbstractCegarLoop]: Abstraction has has 389 places, 432 transitions, 1247 flow [2024-11-27 19:56:50,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 406.8333333333333) internal successors, (2441), 6 states have internal predecessors, (2441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:50,176 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:56:50,176 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:56:50,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 19:56:50,176 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting cleanerErr5ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-27 19:56:50,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:56:50,178 INFO L85 PathProgramCache]: Analyzing trace with hash 298642289, now seen corresponding path program 1 times [2024-11-27 19:56:50,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:56:50,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448378730] [2024-11-27 19:56:50,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:56:50,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:56:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:56:50,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 19:56:50,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:56:50,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448378730] [2024-11-27 19:56:50,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448378730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:56:50,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:56:50,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 19:56:50,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514256678] [2024-11-27 19:56:50,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:56:50,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 19:56:50,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:56:50,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 19:56:50,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-27 19:56:51,249 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 465 [2024-11-27 19:56:51,254 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 432 transitions, 1247 flow. Second operand has 7 states, 7 states have (on average 416.0) internal successors, (2912), 7 states have internal predecessors, (2912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:56:51,254 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:56:51,254 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 465 [2024-11-27 19:56:51,254 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:56:55,378 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([994] L1034-4-->L1034-5: Formula: (= (store |v_#race_30| v_~flags~0.base_12 (store (select |v_#race_30| v_~flags~0.base_12) (+ v_threadThread1of1ForFork0_~i~0_7 v_~flags~0.offset_12) |v_threadThread1of1ForFork0_#t~nondet8_3|)) |v_#race_29|) InVars {#race=|v_#race_30|, threadThread1of1ForFork0_~i~0=v_threadThread1of1ForFork0_~i~0_7, ~flags~0.offset=v_~flags~0.offset_12, threadThread1of1ForFork0_#t~nondet8=|v_threadThread1of1ForFork0_#t~nondet8_3|, ~flags~0.base=v_~flags~0.base_12} OutVars{#race=|v_#race_29|, threadThread1of1ForFork0_~i~0=v_threadThread1of1ForFork0_~i~0_7, ~flags~0.offset=v_~flags~0.offset_12, threadThread1of1ForFork0_#t~nondet8=|v_threadThread1of1ForFork0_#t~nondet8_3|, ~flags~0.base=v_~flags~0.base_12} AuxVars[] AssignedVars[#race][407], [120#L1042-5true, Black: 478#true, Black: 482#true, 457#true, 484#(= |#race~flags~0| 0), Black: 488#(= |#race~threads_alive~0| 0), 71#L1034-5true, 215#L1066-10true, Black: 493#(= (select (select |#race| ~flags~0.base) (+ ~flags~0.offset cleanerThread1of1ForFork1_~i~1)) 0), Black: 523#(= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet31#1|), Black: 526#(and (= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4) 1)) |ULTIMATE.start_main_#t~nondet31#1|) (= (select (select |#race| ~tids~0.base) (+ 2 ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet31#1|) (= (select (select |#race| ~tids~0.base) (+ 3 ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet31#1|) (= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet31#1|)), 455#true, Black: 525#(and (= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4) 1)) |ULTIMATE.start_main_#t~nondet31#1|) (= (select (select |#race| ~tids~0.base) (+ 2 ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet31#1|) (= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet31#1|)), Black: 524#(and (= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4) 1)) |ULTIMATE.start_main_#t~nondet31#1|) (= (select (select |#race| ~tids~0.base) (+ ~tids~0.offset (* |ULTIMATE.start_main_~i~3#1| 4))) |ULTIMATE.start_main_#t~nondet31#1|)), 480#(= |#race~tids~0| 0), Black: 498#(= |ULTIMATE.start_main_~i~2#1| 0), 521#true, 464#(= |#race~threads_total~0| 0), Black: 474#true, 531#true, 476#(= |#race~flags_mutex~0| 0), Black: 509#(= |#race~data~0| 0)]) [2024-11-27 19:56:55,378 INFO L294 olderBase$Statistics]: this new event has 316 ancestors and is cut-off event [2024-11-27 19:56:55,379 INFO L297 olderBase$Statistics]: existing Event has 295 ancestors and is cut-off event [2024-11-27 19:56:55,379 INFO L297 olderBase$Statistics]: existing Event has 295 ancestors and is cut-off event [2024-11-27 19:56:55,379 INFO L297 olderBase$Statistics]: existing Event has 316 ancestors and is cut-off event [2024-11-27 19:56:59,717 INFO L124 PetriNetUnfolderBase]: 9909/40559 cut-off events. [2024-11-27 19:56:59,717 INFO L125 PetriNetUnfolderBase]: For 3931/6999 co-relation queries the response was YES. [2024-11-27 19:56:59,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67828 conditions, 40559 events. 9909/40559 cut-off events. For 3931/6999 co-relation queries the response was YES. Maximal size of possible extension queue 627. Compared 494837 event pairs, 4498 based on Foata normal form. 306/36633 useless extension candidates. Maximal degree in co-relation 67659. Up to 11039 conditions per place. [2024-11-27 19:56:59,994 INFO L140 encePairwiseOnDemand]: 453/465 looper letters, 64 selfloop transitions, 14 changer transitions 10/481 dead transitions. [2024-11-27 19:56:59,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 481 transitions, 1526 flow [2024-11-27 19:56:59,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 19:56:59,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-27 19:57:00,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 4228 transitions. [2024-11-27 19:57:00,001 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.909247311827957 [2024-11-27 19:57:00,001 INFO L175 Difference]: Start difference. First operand has 389 places, 432 transitions, 1247 flow. Second operand 10 states and 4228 transitions. [2024-11-27 19:57:00,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 481 transitions, 1526 flow [2024-11-27 19:57:00,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 481 transitions, 1526 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 19:57:00,028 INFO L231 Difference]: Finished difference. Result has 402 places, 439 transitions, 1314 flow [2024-11-27 19:57:00,029 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=465, PETRI_DIFFERENCE_MINUEND_FLOW=1242, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1314, PETRI_PLACES=402, PETRI_TRANSITIONS=439} [2024-11-27 19:57:00,030 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, 13 predicate places. [2024-11-27 19:57:00,030 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 439 transitions, 1314 flow [2024-11-27 19:57:00,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 416.0) internal successors, (2912), 7 states have internal predecessors, (2912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:57:00,032 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:57:00,032 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:57:00,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 19:57:00,033 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting cleanerErr3ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-27 19:57:00,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:57:00,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1984553906, now seen corresponding path program 1 times [2024-11-27 19:57:00,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:57:00,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70366474] [2024-11-27 19:57:00,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:57:00,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:57:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:57:00,668 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 19:57:00,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:57:00,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70366474] [2024-11-27 19:57:00,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70366474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:57:00,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:57:00,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 19:57:00,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241054278] [2024-11-27 19:57:00,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:57:00,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 19:57:00,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:57:00,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 19:57:00,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 19:57:01,362 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 465 [2024-11-27 19:57:01,367 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 439 transitions, 1314 flow. Second operand has 8 states, 8 states have (on average 410.875) internal successors, (3287), 8 states have internal predecessors, (3287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:57:01,367 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:57:01,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 465 [2024-11-27 19:57:01,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:57:11,551 INFO L124 PetriNetUnfolderBase]: 11380/45792 cut-off events. [2024-11-27 19:57:11,551 INFO L125 PetriNetUnfolderBase]: For 15785/17803 co-relation queries the response was YES. [2024-11-27 19:57:11,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85731 conditions, 45792 events. 11380/45792 cut-off events. For 15785/17803 co-relation queries the response was YES. Maximal size of possible extension queue 621. Compared 560772 event pairs, 3940 based on Foata normal form. 107/42105 useless extension candidates. Maximal degree in co-relation 85556. Up to 8316 conditions per place. [2024-11-27 19:57:11,868 INFO L140 encePairwiseOnDemand]: 452/465 looper letters, 101 selfloop transitions, 44 changer transitions 0/509 dead transitions. [2024-11-27 19:57:11,868 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 509 transitions, 1896 flow [2024-11-27 19:57:11,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 19:57:11,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-27 19:57:11,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4595 transitions. [2024-11-27 19:57:11,877 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8983382209188661 [2024-11-27 19:57:11,878 INFO L175 Difference]: Start difference. First operand has 402 places, 439 transitions, 1314 flow. Second operand 11 states and 4595 transitions. [2024-11-27 19:57:11,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 509 transitions, 1896 flow [2024-11-27 19:57:11,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 509 transitions, 1888 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-27 19:57:11,921 INFO L231 Difference]: Finished difference. Result has 412 places, 460 transitions, 1631 flow [2024-11-27 19:57:11,922 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=465, PETRI_DIFFERENCE_MINUEND_FLOW=1306, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1631, PETRI_PLACES=412, PETRI_TRANSITIONS=460} [2024-11-27 19:57:11,923 INFO L279 CegarLoopForPetriNet]: 389 programPoint places, 23 predicate places. [2024-11-27 19:57:11,923 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 460 transitions, 1631 flow [2024-11-27 19:57:11,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 410.875) internal successors, (3287), 8 states have internal predecessors, (3287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:57:11,925 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:57:11,925 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:57:11,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 19:57:11,925 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-27 19:57:11,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:57:11,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1973769221, now seen corresponding path program 1 times [2024-11-27 19:57:11,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:57:11,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88730510] [2024-11-27 19:57:11,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:57:11,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:57:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:57:12,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 19:57:12,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:57:12,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88730510] [2024-11-27 19:57:12,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88730510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:57:12,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:57:12,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:57:12,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216520343] [2024-11-27 19:57:12,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:57:12,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:57:12,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:57:12,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:57:12,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:57:12,060 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 465 [2024-11-27 19:57:12,062 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 460 transitions, 1631 flow. Second operand has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:57:12,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:57:12,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 465 [2024-11-27 19:57:12,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand