./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 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8335caf0-a7cf-493a-82d6-97f027e6ad70/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8335caf0-a7cf-493a-82d6-97f027e6ad70/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8335caf0-a7cf-493a-82d6-97f027e6ad70/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8335caf0-a7cf-493a-82d6-97f027e6ad70/bin/uautomizer-verify-4GaUIPS5ZU/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_8335caf0-a7cf-493a-82d6-97f027e6ad70/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8335caf0-a7cf-493a-82d6-97f027e6ad70/bin/uautomizer-verify-4GaUIPS5ZU --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 0.2.5-dev-4fc63b2 [2024-10-31 22:00:35,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:00:35,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8335caf0-a7cf-493a-82d6-97f027e6ad70/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:00:35,572 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:00:35,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:00:35,618 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:00:35,619 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:00:35,620 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:00:35,621 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:00:35,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:00:35,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:00:35,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:00:35,627 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:00:35,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:00:35,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:00:35,628 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:00:35,628 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:00:35,628 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:00:35,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:00:35,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:00:35,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:00:35,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:00:35,633 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:00:35,633 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:00:35,633 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:00:35,634 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:00:35,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:00:35,634 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:00:35,636 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:00:35,636 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:00:35,637 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:00:35,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:00:35,646 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:00:35,646 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:00:35,646 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:00:35,647 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:00:35,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:00:35,647 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:00:35,647 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:00:35,647 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:00:35,647 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:00:35,649 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8335caf0-a7cf-493a-82d6-97f027e6ad70/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8335caf0-a7cf-493a-82d6-97f027e6ad70/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21bb8f266262880d0d6873fb2e4e8bc5cd60f79baa0774ffc8a8aedd31b66692 [2024-10-31 22:00:35,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:00:35,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:00:35,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:00:35,971 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:00:35,972 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:00:35,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8335caf0-a7cf-493a-82d6-97f027e6ad70/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-3.i Unable to find full path for "g++" [2024-10-31 22:00:38,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:00:38,355 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:00:38,355 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8335caf0-a7cf-493a-82d6-97f027e6ad70/sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-3.i [2024-10-31 22:00:38,382 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8335caf0-a7cf-493a-82d6-97f027e6ad70/bin/uautomizer-verify-4GaUIPS5ZU/data/35f04d90a/d1ef8450300f41ca8fef17b5d9927b42/FLAG6ed374be4 [2024-10-31 22:00:38,596 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8335caf0-a7cf-493a-82d6-97f027e6ad70/bin/uautomizer-verify-4GaUIPS5ZU/data/35f04d90a/d1ef8450300f41ca8fef17b5d9927b42 [2024-10-31 22:00:38,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:00:38,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:00:38,602 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:00:38,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:00:38,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:00:38,610 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:00:38" (1/1) ... [2024-10-31 22:00:38,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c56576c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:38, skipping insertion in model container [2024-10-31 22:00:38,611 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:00:38" (1/1) ... [2024-10-31 22:00:38,663 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:00:39,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:00:39,413 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:00:39,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:00:39,541 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:00:39,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39 WrapperNode [2024-10-31 22:00:39,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:00:39,543 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:00:39,543 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:00:39,543 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:00:39,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:39,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:39,601 INFO L138 Inliner]: procedures = 267, calls = 41, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 268 [2024-10-31 22:00:39,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:00:39,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:00:39,603 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:00:39,603 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:00:39,613 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:39,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:39,620 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:39,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:39,635 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:39,639 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:39,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:39,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:39,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:00:39,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:00:39,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:00:39,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:00:39,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39" (1/1) ... [2024-10-31 22:00:39,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:00:39,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8335caf0-a7cf-493a-82d6-97f027e6ad70/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:39,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8335caf0-a7cf-493a-82d6-97f027e6ad70/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:39,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8335caf0-a7cf-493a-82d6-97f027e6ad70/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:00:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:00:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-31 22:00:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:00:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:00:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-31 22:00:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:00:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:00:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure cleaner [2024-10-31 22:00:39,747 INFO L138 BoogieDeclarations]: Found implementation of procedure cleaner [2024-10-31 22:00:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:00:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-10-31 22:00:39,747 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-10-31 22:00:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:00:39,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:00:39,749 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:00:39,969 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:00:39,971 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:00:40,690 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:00:40,691 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:00:40,747 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:00:40,747 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-31 22:00:40,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:00:40 BoogieIcfgContainer [2024-10-31 22:00:40,748 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:00:40,751 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:00:40,751 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:00:40,755 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:00:40,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:00:38" (1/3) ... [2024-10-31 22:00:40,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a07bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:00:40, skipping insertion in model container [2024-10-31 22:00:40,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:39" (2/3) ... [2024-10-31 22:00:40,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a07bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:00:40, skipping insertion in model container [2024-10-31 22:00:40,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:00:40" (3/3) ... [2024-10-31 22:00:40,760 INFO L112 eAbstractionObserver]: Analyzing ICFG per-thread-array-join-counter-race-3.i [2024-10-31 22:00:40,779 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:00:40,779 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2024-10-31 22:00:40,780 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:00:40,896 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-31 22:00:40,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 458 places, 467 transitions, 948 flow [2024-10-31 22:00:41,271 INFO L124 PetriNetUnfolderBase]: 21/588 cut-off events. [2024-10-31 22:00:41,271 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:00:41,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 599 conditions, 588 events. 21/588 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 910 event pairs, 0 based on Foata normal form. 0/503 useless extension candidates. Maximal degree in co-relation 376. Up to 6 conditions per place. [2024-10-31 22:00:41,286 INFO L82 GeneralOperation]: Start removeDead. Operand has 458 places, 467 transitions, 948 flow [2024-10-31 22:00:41,302 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 390 places, 395 transitions, 800 flow [2024-10-31 22:00:41,318 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:00:41,327 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;@6cf32924, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:00:41,328 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2024-10-31 22:00:41,355 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:00:41,359 INFO L124 PetriNetUnfolderBase]: 0/147 cut-off events. [2024-10-31 22:00:41,359 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:00:41,359 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:00:41,360 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:41,361 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)] === [2024-10-31 22:00:41,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:41,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1820901917, now seen corresponding path program 1 times [2024-10-31 22:00:41,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:41,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739034075] [2024-10-31 22:00:41,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:41,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:41,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:00:41,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:41,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739034075] [2024-10-31 22:00:41,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739034075] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:41,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:41,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:00:41,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349074005] [2024-10-31 22:00:41,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:41,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:00:41,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:41,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:00:41,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:00:42,105 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 467 [2024-10-31 22:00:42,114 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 395 transitions, 800 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) [2024-10-31 22:00:42,117 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:00:42,117 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 467 [2024-10-31 22:00:42,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:00:43,667 INFO L124 PetriNetUnfolderBase]: 654/4279 cut-off events. [2024-10-31 22:00:43,668 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-10-31 22:00:43,688 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5315 conditions, 4279 events. 654/4279 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 33073 event pairs, 489 based on Foata normal form. 182/3774 useless extension candidates. Maximal degree in co-relation 5083. Up to 1006 conditions per place. [2024-10-31 22:00:43,712 INFO L140 encePairwiseOnDemand]: 457/467 looper letters, 28 selfloop transitions, 2 changer transitions 1/385 dead transitions. [2024-10-31 22:00:43,713 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 385 transitions, 840 flow [2024-10-31 22:00:43,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:00:43,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:00:43,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1298 transitions. [2024-10-31 22:00:43,737 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.926481084939329 [2024-10-31 22:00:43,742 INFO L175 Difference]: Start difference. First operand has 390 places, 395 transitions, 800 flow. Second operand 3 states and 1298 transitions. [2024-10-31 22:00:43,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 385 transitions, 840 flow [2024-10-31 22:00:43,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 385 transitions, 839 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:00:43,762 INFO L231 Difference]: Finished difference. Result has 387 places, 384 transitions, 781 flow [2024-10-31 22:00:43,765 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=779, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=781, PETRI_PLACES=387, PETRI_TRANSITIONS=384} [2024-10-31 22:00:43,771 INFO L277 CegarLoopForPetriNet]: 390 programPoint places, -3 predicate places. [2024-10-31 22:00:43,772 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 384 transitions, 781 flow [2024-10-31 22:00:43,774 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) [2024-10-31 22:00:43,774 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:00:43,774 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:43,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:00:43,775 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)] === [2024-10-31 22:00:43,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:43,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1725122573, now seen corresponding path program 1 times [2024-10-31 22:00:43,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:43,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980410170] [2024-10-31 22:00:43,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:43,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:43,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:00:43,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:43,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980410170] [2024-10-31 22:00:43,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980410170] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:43,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:43,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:00:43,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378680756] [2024-10-31 22:00:43,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:43,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:00:43,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:43,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:00:43,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:00:44,047 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 410 out of 467 [2024-10-31 22:00:44,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 384 transitions, 781 flow. Second operand has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:00:44,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:00:44,050 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 410 of 467 [2024-10-31 22:00:44,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:00:45,288 INFO L124 PetriNetUnfolderBase]: 747/4722 cut-off events. [2024-10-31 22:00:45,288 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-10-31 22:00:45,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5909 conditions, 4722 events. 747/4722 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 37730 event pairs, 571 based on Foata normal form. 0/4002 useless extension candidates. Maximal degree in co-relation 5752. Up to 1153 conditions per place. [2024-10-31 22:00:45,331 INFO L140 encePairwiseOnDemand]: 459/467 looper letters, 31 selfloop transitions, 1 changer transitions 0/377 dead transitions. [2024-10-31 22:00:45,331 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 377 transitions, 831 flow [2024-10-31 22:00:45,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:00:45,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:00:45,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1269 transitions. [2024-10-31 22:00:45,335 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9057815845824411 [2024-10-31 22:00:45,335 INFO L175 Difference]: Start difference. First operand has 387 places, 384 transitions, 781 flow. Second operand 3 states and 1269 transitions. [2024-10-31 22:00:45,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 377 transitions, 831 flow [2024-10-31 22:00:45,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 377 transitions, 827 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:00:45,343 INFO L231 Difference]: Finished difference. Result has 379 places, 377 transitions, 765 flow [2024-10-31 22:00:45,344 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=763, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=765, PETRI_PLACES=379, PETRI_TRANSITIONS=377} [2024-10-31 22:00:45,345 INFO L277 CegarLoopForPetriNet]: 390 programPoint places, -11 predicate places. [2024-10-31 22:00:45,346 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 377 transitions, 765 flow [2024-10-31 22:00:45,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:00:45,347 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:00:45,348 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:45,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:00:45,348 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)] === [2024-10-31 22:00:45,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:45,349 INFO L85 PathProgramCache]: Analyzing trace with hash 435785670, now seen corresponding path program 1 times [2024-10-31 22:00:45,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:45,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385623879] [2024-10-31 22:00:45,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:45,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:45,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:00:45,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:45,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385623879] [2024-10-31 22:00:45,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385623879] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:45,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:45,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:00:45,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18943109] [2024-10-31 22:00:45,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:45,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:00:45,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:45,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:00:45,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:00:45,597 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 467 [2024-10-31 22:00:45,599 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 377 transitions, 765 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:00:45,599 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:00:45,600 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 467 [2024-10-31 22:00:45,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:00:46,790 INFO L124 PetriNetUnfolderBase]: 709/4507 cut-off events. [2024-10-31 22:00:46,790 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2024-10-31 22:00:46,812 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5641 conditions, 4507 events. 709/4507 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 36414 event pairs, 546 based on Foata normal form. 0/3832 useless extension candidates. Maximal degree in co-relation 5484. Up to 1102 conditions per place. [2024-10-31 22:00:46,844 INFO L140 encePairwiseOnDemand]: 464/467 looper letters, 24 selfloop transitions, 2 changer transitions 0/376 dead transitions. [2024-10-31 22:00:46,844 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 376 transitions, 815 flow [2024-10-31 22:00:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:00:46,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:00:46,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1299 transitions. [2024-10-31 22:00:46,849 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9271948608137045 [2024-10-31 22:00:46,849 INFO L175 Difference]: Start difference. First operand has 379 places, 377 transitions, 765 flow. Second operand 3 states and 1299 transitions. [2024-10-31 22:00:46,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 376 transitions, 815 flow [2024-10-31 22:00:46,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 376 transitions, 814 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:00:46,860 INFO L231 Difference]: Finished difference. Result has 379 places, 376 transitions, 766 flow [2024-10-31 22:00:46,861 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=766, PETRI_PLACES=379, PETRI_TRANSITIONS=376} [2024-10-31 22:00:46,863 INFO L277 CegarLoopForPetriNet]: 390 programPoint places, -11 predicate places. [2024-10-31 22:00:46,863 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 376 transitions, 766 flow [2024-10-31 22:00:46,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:00:46,865 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:00:46,865 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:46,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:00:46,866 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)] === [2024-10-31 22:00:46,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:46,867 INFO L85 PathProgramCache]: Analyzing trace with hash -141388662, now seen corresponding path program 1 times [2024-10-31 22:00:46,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:46,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898341638] [2024-10-31 22:00:46,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:46,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:47,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:00:47,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:47,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898341638] [2024-10-31 22:00:47,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898341638] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:47,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:47,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:00:47,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615128749] [2024-10-31 22:00:47,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:47,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:00:47,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:47,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:00:47,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:00:47,171 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 467 [2024-10-31 22:00:47,173 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 376 transitions, 766 flow. Second operand has 3 states, 3 states have (on average 424.3333333333333) internal successors, (1273), 3 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:00:47,174 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:00:47,174 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 467 [2024-10-31 22:00:47,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:00:48,251 INFO L124 PetriNetUnfolderBase]: 835/4382 cut-off events. [2024-10-31 22:00:48,252 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-10-31 22:00:48,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5680 conditions, 4382 events. 835/4382 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 33610 event pairs, 605 based on Foata normal form. 0/3747 useless extension candidates. Maximal degree in co-relation 5523. Up to 1258 conditions per place. [2024-10-31 22:00:48,297 INFO L140 encePairwiseOnDemand]: 464/467 looper letters, 24 selfloop transitions, 2 changer transitions 0/375 dead transitions. [2024-10-31 22:00:48,298 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 375 transitions, 816 flow [2024-10-31 22:00:48,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:00:48,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:00:48,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1296 transitions. [2024-10-31 22:00:48,301 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9250535331905781 [2024-10-31 22:00:48,302 INFO L175 Difference]: Start difference. First operand has 379 places, 376 transitions, 766 flow. Second operand 3 states and 1296 transitions. [2024-10-31 22:00:48,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 375 transitions, 816 flow [2024-10-31 22:00:48,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 375 transitions, 812 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:00:48,308 INFO L231 Difference]: Finished difference. Result has 378 places, 375 transitions, 764 flow [2024-10-31 22:00:48,309 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, 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} [2024-10-31 22:00:48,312 INFO L277 CegarLoopForPetriNet]: 390 programPoint places, -12 predicate places. [2024-10-31 22:00:48,312 INFO L471 AbstractCegarLoop]: Abstraction has has 378 places, 375 transitions, 764 flow [2024-10-31 22:00:48,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.3333333333333) internal successors, (1273), 3 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:00:48,313 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:00:48,313 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:48,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:00:48,314 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)] === [2024-10-31 22:00:48,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:48,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1948743584, now seen corresponding path program 1 times [2024-10-31 22:00:48,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:48,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240635975] [2024-10-31 22:00:48,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:48,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:48,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:00:48,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:48,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240635975] [2024-10-31 22:00:48,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240635975] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:48,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:48,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:00:48,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707610581] [2024-10-31 22:00:48,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:48,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:00:48,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:48,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:00:48,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:00:48,494 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 467 [2024-10-31 22:00:48,496 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) [2024-10-31 22:00:48,496 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:00:48,496 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 467 [2024-10-31 22:00:48,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:00:49,725 INFO L124 PetriNetUnfolderBase]: 991/4615 cut-off events. [2024-10-31 22:00:49,725 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-10-31 22:00:49,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6132 conditions, 4615 events. 991/4615 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 36117 event pairs, 713 based on Foata normal form. 0/3955 useless extension candidates. Maximal degree in co-relation 5975. Up to 1475 conditions per place. [2024-10-31 22:00:49,770 INFO L140 encePairwiseOnDemand]: 464/467 looper letters, 26 selfloop transitions, 2 changer transitions 0/374 dead transitions. [2024-10-31 22:00:49,770 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 374 transitions, 818 flow [2024-10-31 22:00:49,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:00:49,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:00:49,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1292 transitions. [2024-10-31 22:00:49,774 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9221984296930764 [2024-10-31 22:00:49,775 INFO L175 Difference]: Start difference. First operand has 378 places, 375 transitions, 764 flow. Second operand 3 states and 1292 transitions. [2024-10-31 22:00:49,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 374 transitions, 818 flow [2024-10-31 22:00:49,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 374 transitions, 814 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:00:49,789 INFO L231 Difference]: Finished difference. Result has 377 places, 374 transitions, 762 flow [2024-10-31 22:00:49,790 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, 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} [2024-10-31 22:00:49,791 INFO L277 CegarLoopForPetriNet]: 390 programPoint places, -13 predicate places. [2024-10-31 22:00:49,791 INFO L471 AbstractCegarLoop]: Abstraction has has 377 places, 374 transitions, 762 flow [2024-10-31 22:00:49,792 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) [2024-10-31 22:00:49,792 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:00:49,793 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:49,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:00:49,793 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)] === [2024-10-31 22:00:49,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:49,796 INFO L85 PathProgramCache]: Analyzing trace with hash -487062641, now seen corresponding path program 1 times [2024-10-31 22:00:49,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:49,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876911005] [2024-10-31 22:00:49,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:49,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:49,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:00:49,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:49,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876911005] [2024-10-31 22:00:49,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876911005] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:49,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:49,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:00:49,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542915187] [2024-10-31 22:00:49,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:49,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:00:49,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:49,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:00:49,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:00:50,003 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 467 [2024-10-31 22:00:50,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 374 transitions, 762 flow. Second operand has 3 states, 3 states have (on average 414.0) internal successors, (1242), 3 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:00:50,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:00:50,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 467 [2024-10-31 22:00:50,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:00:51,225 INFO L124 PetriNetUnfolderBase]: 1448/5216 cut-off events. [2024-10-31 22:00:51,225 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-10-31 22:00:51,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7410 conditions, 5216 events. 1448/5216 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 40079 event pairs, 666 based on Foata normal form. 0/4639 useless extension candidates. Maximal degree in co-relation 7254. Up to 2100 conditions per place. [2024-10-31 22:00:51,268 INFO L140 encePairwiseOnDemand]: 459/467 looper letters, 38 selfloop transitions, 3 changer transitions 0/382 dead transitions. [2024-10-31 22:00:51,269 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 382 transitions, 865 flow [2024-10-31 22:00:51,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:00:51,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:00:51,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1285 transitions. [2024-10-31 22:00:51,272 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9172019985724482 [2024-10-31 22:00:51,272 INFO L175 Difference]: Start difference. First operand has 377 places, 374 transitions, 762 flow. Second operand 3 states and 1285 transitions. [2024-10-31 22:00:51,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 382 transitions, 865 flow [2024-10-31 22:00:51,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 382 transitions, 861 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:00:51,279 INFO L231 Difference]: Finished difference. Result has 373 places, 372 transitions, 769 flow [2024-10-31 22:00:51,280 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=748, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=769, PETRI_PLACES=373, PETRI_TRANSITIONS=372} [2024-10-31 22:00:51,281 INFO L277 CegarLoopForPetriNet]: 390 programPoint places, -17 predicate places. [2024-10-31 22:00:51,281 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 372 transitions, 769 flow [2024-10-31 22:00:51,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 414.0) internal successors, (1242), 3 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:00:51,282 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:00:51,282 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:51,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:00:51,283 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)] === [2024-10-31 22:00:51,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:51,283 INFO L85 PathProgramCache]: Analyzing trace with hash -563579689, now seen corresponding path program 1 times [2024-10-31 22:00:51,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:51,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012116451] [2024-10-31 22:00:51,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:51,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:51,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:00:51,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:51,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012116451] [2024-10-31 22:00:51,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012116451] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:51,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:51,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:00:51,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840297198] [2024-10-31 22:00:51,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:51,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:00:51,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:51,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:00:51,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:00:51,423 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 467 [2024-10-31 22:00:51,425 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 372 transitions, 769 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) [2024-10-31 22:00:51,425 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:00:51,425 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 467 [2024-10-31 22:00:51,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:00:52,693 INFO L124 PetriNetUnfolderBase]: 1016/5667 cut-off events. [2024-10-31 22:00:52,693 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-10-31 22:00:52,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7406 conditions, 5667 events. 1016/5667 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 48530 event pairs, 681 based on Foata normal form. 0/5034 useless extension candidates. Maximal degree in co-relation 7250. Up to 1521 conditions per place. [2024-10-31 22:00:52,757 INFO L140 encePairwiseOnDemand]: 461/467 looper letters, 30 selfloop transitions, 3 changer transitions 0/378 dead transitions. [2024-10-31 22:00:52,757 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 378 transitions, 847 flow [2024-10-31 22:00:52,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:00:52,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:00:52,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1302 transitions. [2024-10-31 22:00:52,762 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9293361884368309 [2024-10-31 22:00:52,763 INFO L175 Difference]: Start difference. First operand has 373 places, 372 transitions, 769 flow. Second operand 3 states and 1302 transitions. [2024-10-31 22:00:52,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 378 transitions, 847 flow [2024-10-31 22:00:52,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 378 transitions, 847 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:00:52,773 INFO L231 Difference]: Finished difference. Result has 373 places, 372 transitions, 784 flow [2024-10-31 22:00:52,773 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=763, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=784, PETRI_PLACES=373, PETRI_TRANSITIONS=372} [2024-10-31 22:00:52,774 INFO L277 CegarLoopForPetriNet]: 390 programPoint places, -17 predicate places. [2024-10-31 22:00:52,775 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 372 transitions, 784 flow [2024-10-31 22:00:52,776 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) [2024-10-31 22:00:52,777 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:00:52,777 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:52,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:00:52,778 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-31 22:00:52,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:52,778 INFO L85 PathProgramCache]: Analyzing trace with hash -263439936, now seen corresponding path program 1 times [2024-10-31 22:00:52,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:52,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708741010] [2024-10-31 22:00:52,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:52,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:52,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:00:52,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:52,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708741010] [2024-10-31 22:00:52,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708741010] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:52,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:52,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:00:52,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144113373] [2024-10-31 22:00:52,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:52,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:00:52,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:52,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:00:52,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:00:52,967 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 467 [2024-10-31 22:00:52,969 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 372 transitions, 784 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) [2024-10-31 22:00:52,970 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:00:52,970 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 467 [2024-10-31 22:00:52,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:00:55,242 INFO L124 PetriNetUnfolderBase]: 1809/8546 cut-off events. [2024-10-31 22:00:55,243 INFO L125 PetriNetUnfolderBase]: For 81/81 co-relation queries the response was YES. [2024-10-31 22:00:55,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11625 conditions, 8546 events. 1809/8546 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 76047 event pairs, 655 based on Foata normal form. 0/7383 useless extension candidates. Maximal degree in co-relation 11468. Up to 1443 conditions per place. [2024-10-31 22:00:55,328 INFO L140 encePairwiseOnDemand]: 456/467 looper letters, 44 selfloop transitions, 8 changer transitions 0/396 dead transitions. [2024-10-31 22:00:55,329 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 396 transitions, 942 flow [2024-10-31 22:00:55,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:00:55,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:00:55,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1315 transitions. [2024-10-31 22:00:55,332 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9386152748037117 [2024-10-31 22:00:55,332 INFO L175 Difference]: Start difference. First operand has 373 places, 372 transitions, 784 flow. Second operand 3 states and 1315 transitions. [2024-10-31 22:00:55,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 396 transitions, 942 flow [2024-10-31 22:00:55,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 396 transitions, 942 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:00:55,341 INFO L231 Difference]: Finished difference. Result has 377 places, 380 transitions, 854 flow [2024-10-31 22:00:55,342 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=372, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=854, PETRI_PLACES=377, PETRI_TRANSITIONS=380} [2024-10-31 22:00:55,343 INFO L277 CegarLoopForPetriNet]: 390 programPoint places, -13 predicate places. [2024-10-31 22:00:55,343 INFO L471 AbstractCegarLoop]: Abstraction has has 377 places, 380 transitions, 854 flow [2024-10-31 22:00:55,344 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) [2024-10-31 22:00:55,344 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:00:55,345 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:55,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:00:55,345 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting cleanerErr2ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-31 22:00:55,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:55,346 INFO L85 PathProgramCache]: Analyzing trace with hash 13248787, now seen corresponding path program 1 times [2024-10-31 22:00:55,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:55,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345858537] [2024-10-31 22:00:55,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:55,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:55,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:00:55,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:55,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345858537] [2024-10-31 22:00:55,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345858537] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:55,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:55,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:00:55,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196156492] [2024-10-31 22:00:55,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:55,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:00:55,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:55,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:00:55,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:00:55,485 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 467 [2024-10-31 22:00:55,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 380 transitions, 854 flow. Second operand has 3 states, 3 states have (on average 420.6666666666667) internal successors, (1262), 3 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:00:55,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:00:55,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 467 [2024-10-31 22:00:55,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:00:58,196 INFO L124 PetriNetUnfolderBase]: 2070/10403 cut-off events. [2024-10-31 22:00:58,196 INFO L125 PetriNetUnfolderBase]: For 268/280 co-relation queries the response was YES. [2024-10-31 22:00:58,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14505 conditions, 10403 events. 2070/10403 cut-off events. For 268/280 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 98509 event pairs, 1154 based on Foata normal form. 0/9377 useless extension candidates. Maximal degree in co-relation 14346. Up to 2624 conditions per place. [2024-10-31 22:00:58,288 INFO L140 encePairwiseOnDemand]: 462/467 looper letters, 35 selfloop transitions, 2 changer transitions 0/390 dead transitions. [2024-10-31 22:00:58,288 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 390 transitions, 951 flow [2024-10-31 22:00:58,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:00:58,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:00:58,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1297 transitions. [2024-10-31 22:00:58,292 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9257673090649536 [2024-10-31 22:00:58,292 INFO L175 Difference]: Start difference. First operand has 377 places, 380 transitions, 854 flow. Second operand 3 states and 1297 transitions. [2024-10-31 22:00:58,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 390 transitions, 951 flow [2024-10-31 22:00:58,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 390 transitions, 935 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:00:58,308 INFO L231 Difference]: Finished difference. Result has 375 places, 379 transitions, 846 flow [2024-10-31 22:00:58,309 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=832, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=846, PETRI_PLACES=375, PETRI_TRANSITIONS=379} [2024-10-31 22:00:58,309 INFO L277 CegarLoopForPetriNet]: 390 programPoint places, -15 predicate places. [2024-10-31 22:00:58,310 INFO L471 AbstractCegarLoop]: Abstraction has has 375 places, 379 transitions, 846 flow [2024-10-31 22:00:58,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.6666666666667) internal successors, (1262), 3 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:00:58,311 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:00:58,311 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:58,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:00:58,312 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting cleanerErr3ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-31 22:00:58,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:58,313 INFO L85 PathProgramCache]: Analyzing trace with hash -441432345, now seen corresponding path program 1 times [2024-10-31 22:00:58,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:58,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476203924] [2024-10-31 22:00:58,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:58,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:58,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:00:58,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:58,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476203924] [2024-10-31 22:00:58,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476203924] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:58,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:58,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:00:58,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003620330] [2024-10-31 22:00:58,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:58,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:00:58,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:58,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:00:58,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:00:58,801 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 467 [2024-10-31 22:00:58,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 379 transitions, 846 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) [2024-10-31 22:00:58,804 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:00:58,804 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 467 [2024-10-31 22:00:58,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:03,225 INFO L124 PetriNetUnfolderBase]: 4584/20444 cut-off events. [2024-10-31 22:01:03,225 INFO L125 PetriNetUnfolderBase]: For 151/151 co-relation queries the response was YES. [2024-10-31 22:01:03,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29170 conditions, 20444 events. 4584/20444 cut-off events. For 151/151 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 219923 event pairs, 2480 based on Foata normal form. 0/18521 useless extension candidates. Maximal degree in co-relation 29010. Up to 5342 conditions per place. [2024-10-31 22:01:03,413 INFO L140 encePairwiseOnDemand]: 457/467 looper letters, 45 selfloop transitions, 9 changer transitions 0/402 dead transitions. [2024-10-31 22:01:03,414 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 402 transitions, 1006 flow [2024-10-31 22:01:03,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:03,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:01:03,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1315 transitions. [2024-10-31 22:01:03,417 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9386152748037117 [2024-10-31 22:01:03,417 INFO L175 Difference]: Start difference. First operand has 375 places, 379 transitions, 846 flow. Second operand 3 states and 1315 transitions. [2024-10-31 22:01:03,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 402 transitions, 1006 flow [2024-10-31 22:01:03,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 402 transitions, 1006 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:01:03,427 INFO L231 Difference]: Finished difference. Result has 379 places, 387 transitions, 916 flow [2024-10-31 22:01:03,427 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=846, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=916, PETRI_PLACES=379, PETRI_TRANSITIONS=387} [2024-10-31 22:01:03,428 INFO L277 CegarLoopForPetriNet]: 390 programPoint places, -11 predicate places. [2024-10-31 22:01:03,428 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 387 transitions, 916 flow [2024-10-31 22:01:03,429 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) [2024-10-31 22:01:03,429 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:03,430 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:03,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:01:03,430 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)] === [2024-10-31 22:01:03,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:03,431 INFO L85 PathProgramCache]: Analyzing trace with hash -2015945854, now seen corresponding path program 1 times [2024-10-31 22:01:03,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:03,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128789917] [2024-10-31 22:01:03,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:03,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:03,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:03,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:03,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128789917] [2024-10-31 22:01:03,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128789917] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:03,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:03,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:01:03,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514478079] [2024-10-31 22:01:03,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:03,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:01:03,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:03,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:01:03,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:01:03,797 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 467 [2024-10-31 22:01:03,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 387 transitions, 916 flow. Second operand has 5 states, 5 states have (on average 424.8) internal successors, (2124), 5 states have internal predecessors, (2124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:03,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:03,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 467 [2024-10-31 22:01:03,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand