./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-cond-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3bf5e8-fba5-4e9a-8f8d-cc5780fa2383/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3bf5e8-fba5-4e9a-8f8d-cc5780fa2383/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3bf5e8-fba5-4e9a-8f8d-cc5780fa2383/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3bf5e8-fba5-4e9a-8f8d-cc5780fa2383/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-cond-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3bf5e8-fba5-4e9a-8f8d-cc5780fa2383/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3bf5e8-fba5-4e9a-8f8d-cc5780fa2383/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9fb4c28a8a216c266c6ae14d377c8e26c68bb16bf7c2fe2809f039d12d6c4b55 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:38:07,110 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:38:07,210 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3bf5e8-fba5-4e9a-8f8d-cc5780fa2383/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 17:38:07,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:38:07,219 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:38:07,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:38:07,244 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:38:07,245 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:38:07,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:38:07,246 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:38:07,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:38:07,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:38:07,248 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:38:07,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:38:07,249 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:38:07,249 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:38:07,250 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:38:07,250 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:38:07,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:38:07,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:38:07,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:38:07,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:38:07,252 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 17:38:07,253 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:38:07,253 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:38:07,253 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:38:07,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:38:07,254 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:38:07,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:38:07,255 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:38:07,255 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:38:07,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:38:07,260 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:38:07,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:38:07,261 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:38:07,261 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:38:07,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:38:07,261 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:38:07,261 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:38:07,262 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:38:07,262 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:38:07,262 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_dd3bf5e8-fba5-4e9a-8f8d-cc5780fa2383/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3bf5e8-fba5-4e9a-8f8d-cc5780fa2383/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fb4c28a8a216c266c6ae14d377c8e26c68bb16bf7c2fe2809f039d12d6c4b55 [2024-11-08 17:38:07,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:38:07,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:38:07,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:38:07,579 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:38:07,580 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:38:07,581 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3bf5e8-fba5-4e9a-8f8d-cc5780fa2383/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/weaver/unroll-cond-3.wvr.c Unable to find full path for "g++" [2024-11-08 17:38:09,636 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:38:09,826 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:38:09,827 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3bf5e8-fba5-4e9a-8f8d-cc5780fa2383/sv-benchmarks/c/weaver/unroll-cond-3.wvr.c [2024-11-08 17:38:09,835 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3bf5e8-fba5-4e9a-8f8d-cc5780fa2383/bin/uautomizer-verify-jihMAELWvX/data/18f3dd9e3/cfe1e4ff023c477ea0e72829cf77f3d8/FLAG6e8c30530 [2024-11-08 17:38:10,198 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3bf5e8-fba5-4e9a-8f8d-cc5780fa2383/bin/uautomizer-verify-jihMAELWvX/data/18f3dd9e3/cfe1e4ff023c477ea0e72829cf77f3d8 [2024-11-08 17:38:10,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:38:10,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:38:10,204 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:38:10,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:38:10,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:38:10,213 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:38:10" (1/1) ... [2024-11-08 17:38:10,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@513b55f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:10, skipping insertion in model container [2024-11-08 17:38:10,215 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:38:10" (1/1) ... [2024-11-08 17:38:10,240 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:38:10,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:38:10,500 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:38:10,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:38:10,566 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:38:10,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:10 WrapperNode [2024-11-08 17:38:10,567 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:38:10,568 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:38:10,568 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:38:10,568 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:38:10,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:10" (1/1) ... [2024-11-08 17:38:10,590 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:10" (1/1) ... [2024-11-08 17:38:10,624 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 327 [2024-11-08 17:38:10,625 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:38:10,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:38:10,626 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:38:10,626 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:38:10,636 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:10" (1/1) ... [2024-11-08 17:38:10,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:10" (1/1) ... [2024-11-08 17:38:10,642 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:10" (1/1) ... [2024-11-08 17:38:10,642 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:10" (1/1) ... [2024-11-08 17:38:10,656 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:10" (1/1) ... [2024-11-08 17:38:10,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:10" (1/1) ... [2024-11-08 17:38:10,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:10" (1/1) ... [2024-11-08 17:38:10,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:10" (1/1) ... [2024-11-08 17:38:10,670 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:38:10,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:38:10,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:38:10,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:38:10,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:10" (1/1) ... [2024-11-08 17:38:10,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:38:10,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3bf5e8-fba5-4e9a-8f8d-cc5780fa2383/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:38:10,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3bf5e8-fba5-4e9a-8f8d-cc5780fa2383/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:38:10,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3bf5e8-fba5-4e9a-8f8d-cc5780fa2383/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:38:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:38:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 17:38:10,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 17:38:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 17:38:10,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 17:38:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 17:38:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 17:38:10,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 17:38:10,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:38:10,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:38:10,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 17:38:10,773 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 17:38:10,908 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:38:10,911 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:38:11,675 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 17:38:11,675 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:38:11,713 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:38:11,714 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 17:38:11,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:38:11 BoogieIcfgContainer [2024-11-08 17:38:11,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:38:11,720 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:38:11,720 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:38:11,724 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:38:11,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:38:10" (1/3) ... [2024-11-08 17:38:11,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d163721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:38:11, skipping insertion in model container [2024-11-08 17:38:11,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:38:10" (2/3) ... [2024-11-08 17:38:11,727 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d163721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:38:11, skipping insertion in model container [2024-11-08 17:38:11,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:38:11" (3/3) ... [2024-11-08 17:38:11,729 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-3.wvr.c [2024-11-08 17:38:11,753 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:38:11,753 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 54 error locations. [2024-11-08 17:38:11,753 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 17:38:11,927 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-08 17:38:11,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 422 places, 439 transitions, 892 flow [2024-11-08 17:38:12,229 INFO L124 PetriNetUnfolderBase]: 24/437 cut-off events. [2024-11-08 17:38:12,229 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-08 17:38:12,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 446 conditions, 437 events. 24/437 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1065 event pairs, 0 based on Foata normal form. 0/359 useless extension candidates. Maximal degree in co-relation 310. Up to 2 conditions per place. [2024-11-08 17:38:12,246 INFO L82 GeneralOperation]: Start removeDead. Operand has 422 places, 439 transitions, 892 flow [2024-11-08 17:38:12,263 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 404 places, 420 transitions, 852 flow [2024-11-08 17:38:12,278 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:38:12,288 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;@25a4a21a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:38:12,288 INFO L334 AbstractCegarLoop]: Starting to check reachability of 102 error locations. [2024-11-08 17:38:12,297 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 17:38:12,297 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-11-08 17:38:12,297 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 17:38:12,298 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:38:12,298 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] [2024-11-08 17:38:12,299 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-08 17:38:12,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:12,307 INFO L85 PathProgramCache]: Analyzing trace with hash 277495602, now seen corresponding path program 1 times [2024-11-08 17:38:12,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:12,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435953536] [2024-11-08 17:38:12,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:12,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:12,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:38:12,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:12,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435953536] [2024-11-08 17:38:12,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435953536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:12,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:12,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:38:12,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070535277] [2024-11-08 17:38:12,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:12,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:38:12,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:12,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:38:12,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:38:12,764 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 439 [2024-11-08 17:38:12,770 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 420 transitions, 852 flow. Second operand has 3 states, 3 states have (on average 412.3333333333333) internal successors, (1237), 3 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:12,771 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:38:12,771 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 439 [2024-11-08 17:38:12,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:38:12,976 INFO L124 PetriNetUnfolderBase]: 27/626 cut-off events. [2024-11-08 17:38:12,976 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-08 17:38:12,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 672 conditions, 626 events. 27/626 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2600 event pairs, 7 based on Foata normal form. 13/521 useless extension candidates. Maximal degree in co-relation 533. Up to 30 conditions per place. [2024-11-08 17:38:12,990 INFO L140 encePairwiseOnDemand]: 425/439 looper letters, 11 selfloop transitions, 2 changer transitions 3/408 dead transitions. [2024-11-08 17:38:12,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 408 transitions, 854 flow [2024-11-08 17:38:12,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:38:12,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:38:13,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1258 transitions. [2024-11-08 17:38:13,020 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9552012148823082 [2024-11-08 17:38:13,022 INFO L175 Difference]: Start difference. First operand has 404 places, 420 transitions, 852 flow. Second operand 3 states and 1258 transitions. [2024-11-08 17:38:13,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 408 transitions, 854 flow [2024-11-08 17:38:13,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 408 transitions, 846 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-08 17:38:13,041 INFO L231 Difference]: Finished difference. Result has 401 places, 405 transitions, 818 flow [2024-11-08 17:38:13,045 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=820, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=818, PETRI_PLACES=401, PETRI_TRANSITIONS=405} [2024-11-08 17:38:13,051 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -3 predicate places. [2024-11-08 17:38:13,052 INFO L471 AbstractCegarLoop]: Abstraction has has 401 places, 405 transitions, 818 flow [2024-11-08 17:38:13,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 412.3333333333333) internal successors, (1237), 3 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:13,053 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:38:13,054 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] [2024-11-08 17:38:13,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:38:13,055 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-08 17:38:13,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:13,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1646554203, now seen corresponding path program 1 times [2024-11-08 17:38:13,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:13,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346842862] [2024-11-08 17:38:13,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:13,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:13,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:38:13,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:13,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346842862] [2024-11-08 17:38:13,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346842862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:13,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:13,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:38:13,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026324459] [2024-11-08 17:38:13,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:13,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:38:13,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:13,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:38:13,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:38:13,249 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 439 [2024-11-08 17:38:13,251 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 405 transitions, 818 flow. Second operand has 3 states, 3 states have (on average 408.3333333333333) internal successors, (1225), 3 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:13,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:38:13,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 439 [2024-11-08 17:38:13,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:38:13,393 INFO L124 PetriNetUnfolderBase]: 31/662 cut-off events. [2024-11-08 17:38:13,393 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-11-08 17:38:13,398 INFO L83 FinitePrefix]: Finished finitePrefix Result has 709 conditions, 662 events. 31/662 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2608 event pairs, 11 based on Foata normal form. 0/536 useless extension candidates. Maximal degree in co-relation 681. Up to 38 conditions per place. [2024-11-08 17:38:13,402 INFO L140 encePairwiseOnDemand]: 436/439 looper letters, 15 selfloop transitions, 2 changer transitions 0/404 dead transitions. [2024-11-08 17:38:13,403 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 404 transitions, 850 flow [2024-11-08 17:38:13,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:38:13,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:38:13,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1239 transitions. [2024-11-08 17:38:13,408 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9407744874715261 [2024-11-08 17:38:13,408 INFO L175 Difference]: Start difference. First operand has 401 places, 405 transitions, 818 flow. Second operand 3 states and 1239 transitions. [2024-11-08 17:38:13,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 404 transitions, 850 flow [2024-11-08 17:38:13,445 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 404 transitions, 846 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:38:13,454 INFO L231 Difference]: Finished difference. Result has 397 places, 404 transitions, 816 flow [2024-11-08 17:38:13,455 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=812, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=397, PETRI_TRANSITIONS=404} [2024-11-08 17:38:13,456 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -7 predicate places. [2024-11-08 17:38:13,456 INFO L471 AbstractCegarLoop]: Abstraction has has 397 places, 404 transitions, 816 flow [2024-11-08 17:38:13,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 408.3333333333333) internal successors, (1225), 3 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:13,457 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:38:13,457 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] [2024-11-08 17:38:13,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:38:13,458 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-08 17:38:13,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:13,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1517344082, now seen corresponding path program 1 times [2024-11-08 17:38:13,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:13,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287553631] [2024-11-08 17:38:13,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:13,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:13,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:38:13,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:13,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287553631] [2024-11-08 17:38:13,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287553631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:13,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:13,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:38:13,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188072391] [2024-11-08 17:38:13,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:13,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:38:13,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:13,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:38:13,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:38:13,601 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 439 [2024-11-08 17:38:13,603 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 404 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 398.0) internal successors, (1194), 3 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:13,604 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:38:13,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 439 [2024-11-08 17:38:13,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:38:13,912 INFO L124 PetriNetUnfolderBase]: 105/1451 cut-off events. [2024-11-08 17:38:13,912 INFO L125 PetriNetUnfolderBase]: For 25/26 co-relation queries the response was YES. [2024-11-08 17:38:13,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1578 conditions, 1451 events. 105/1451 cut-off events. For 25/26 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 8336 event pairs, 32 based on Foata normal form. 0/1171 useless extension candidates. Maximal degree in co-relation 1542. Up to 117 conditions per place. [2024-11-08 17:38:13,934 INFO L140 encePairwiseOnDemand]: 430/439 looper letters, 20 selfloop transitions, 1 changer transitions 0/396 dead transitions. [2024-11-08 17:38:13,935 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 396 transitions, 842 flow [2024-11-08 17:38:13,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:38:13,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:38:13,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2024-11-08 17:38:13,940 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9263477600607442 [2024-11-08 17:38:13,941 INFO L175 Difference]: Start difference. First operand has 397 places, 404 transitions, 816 flow. Second operand 3 states and 1220 transitions. [2024-11-08 17:38:13,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 396 transitions, 842 flow [2024-11-08 17:38:13,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 396 transitions, 838 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:38:13,999 INFO L231 Difference]: Finished difference. Result has 389 places, 396 transitions, 798 flow [2024-11-08 17:38:14,000 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=796, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=798, PETRI_PLACES=389, PETRI_TRANSITIONS=396} [2024-11-08 17:38:14,001 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -15 predicate places. [2024-11-08 17:38:14,001 INFO L471 AbstractCegarLoop]: Abstraction has has 389 places, 396 transitions, 798 flow [2024-11-08 17:38:14,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.0) internal successors, (1194), 3 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:14,002 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:38:14,003 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] [2024-11-08 17:38:14,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:38:14,003 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-08 17:38:14,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:14,004 INFO L85 PathProgramCache]: Analyzing trace with hash 159010200, now seen corresponding path program 1 times [2024-11-08 17:38:14,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:14,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853853150] [2024-11-08 17:38:14,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:14,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:14,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:38:14,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:14,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853853150] [2024-11-08 17:38:14,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853853150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:14,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:14,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:38:14,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179757684] [2024-11-08 17:38:14,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:14,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:38:14,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:14,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:38:14,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:38:14,208 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 439 [2024-11-08 17:38:14,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 396 transitions, 798 flow. Second operand has 3 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:14,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:38:14,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 439 [2024-11-08 17:38:14,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:38:14,363 INFO L124 PetriNetUnfolderBase]: 31/648 cut-off events. [2024-11-08 17:38:14,365 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-11-08 17:38:14,369 INFO L83 FinitePrefix]: Finished finitePrefix Result has 692 conditions, 648 events. 31/648 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2483 event pairs, 11 based on Foata normal form. 0/536 useless extension candidates. Maximal degree in co-relation 656. Up to 36 conditions per place. [2024-11-08 17:38:14,373 INFO L140 encePairwiseOnDemand]: 436/439 looper letters, 13 selfloop transitions, 2 changer transitions 0/395 dead transitions. [2024-11-08 17:38:14,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 395 transitions, 826 flow [2024-11-08 17:38:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:38:14,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:38:14,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1243 transitions. [2024-11-08 17:38:14,377 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9438116932422171 [2024-11-08 17:38:14,377 INFO L175 Difference]: Start difference. First operand has 389 places, 396 transitions, 798 flow. Second operand 3 states and 1243 transitions. [2024-11-08 17:38:14,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 395 transitions, 826 flow [2024-11-08 17:38:14,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 395 transitions, 825 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 17:38:14,386 INFO L231 Difference]: Finished difference. Result has 389 places, 395 transitions, 799 flow [2024-11-08 17:38:14,387 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=795, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=799, PETRI_PLACES=389, PETRI_TRANSITIONS=395} [2024-11-08 17:38:14,389 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -15 predicate places. [2024-11-08 17:38:14,389 INFO L471 AbstractCegarLoop]: Abstraction has has 389 places, 395 transitions, 799 flow [2024-11-08 17:38:14,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:14,391 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:38:14,391 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] [2024-11-08 17:38:14,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:38:14,392 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-08 17:38:14,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:14,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1254101625, now seen corresponding path program 1 times [2024-11-08 17:38:14,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:14,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720364790] [2024-11-08 17:38:14,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:14,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:15,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:38:15,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:15,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720364790] [2024-11-08 17:38:15,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720364790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:15,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:15,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:38:15,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85033630] [2024-11-08 17:38:15,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:15,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:38:15,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:15,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:38:15,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:38:15,594 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 384 out of 439 [2024-11-08 17:38:15,597 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 395 transitions, 799 flow. Second operand has 6 states, 6 states have (on average 385.5) internal successors, (2313), 6 states have internal predecessors, (2313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:15,597 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:38:15,598 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 384 of 439 [2024-11-08 17:38:15,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:38:15,954 INFO L124 PetriNetUnfolderBase]: 211/1905 cut-off events. [2024-11-08 17:38:15,954 INFO L125 PetriNetUnfolderBase]: For 44/45 co-relation queries the response was YES. [2024-11-08 17:38:15,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2221 conditions, 1905 events. 211/1905 cut-off events. For 44/45 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 11862 event pairs, 104 based on Foata normal form. 0/1545 useless extension candidates. Maximal degree in co-relation 2186. Up to 300 conditions per place. [2024-11-08 17:38:15,974 INFO L140 encePairwiseOnDemand]: 433/439 looper letters, 36 selfloop transitions, 5 changer transitions 0/394 dead transitions. [2024-11-08 17:38:15,975 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 394 transitions, 879 flow [2024-11-08 17:38:15,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:38:15,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 17:38:15,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2346 transitions. [2024-11-08 17:38:15,980 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8906605922551253 [2024-11-08 17:38:15,980 INFO L175 Difference]: Start difference. First operand has 389 places, 395 transitions, 799 flow. Second operand 6 states and 2346 transitions. [2024-11-08 17:38:15,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 394 transitions, 879 flow [2024-11-08 17:38:15,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 394 transitions, 875 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:38:15,988 INFO L231 Difference]: Finished difference. Result has 391 places, 394 transitions, 803 flow [2024-11-08 17:38:15,989 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=793, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=803, PETRI_PLACES=391, PETRI_TRANSITIONS=394} [2024-11-08 17:38:15,991 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -13 predicate places. [2024-11-08 17:38:15,991 INFO L471 AbstractCegarLoop]: Abstraction has has 391 places, 394 transitions, 803 flow [2024-11-08 17:38:15,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 385.5) internal successors, (2313), 6 states have internal predecessors, (2313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:15,994 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:38:15,994 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] [2024-11-08 17:38:15,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:38:15,995 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-08 17:38:15,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:15,996 INFO L85 PathProgramCache]: Analyzing trace with hash 248853080, now seen corresponding path program 1 times [2024-11-08 17:38:15,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:15,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801408156] [2024-11-08 17:38:15,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:15,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:16,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:38:16,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:16,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801408156] [2024-11-08 17:38:16,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801408156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:16,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:16,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:38:16,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642128416] [2024-11-08 17:38:16,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:16,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:38:16,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:16,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:38:16,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:38:16,084 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 439 [2024-11-08 17:38:16,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 394 transitions, 803 flow. Second operand has 3 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:16,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:38:16,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 439 [2024-11-08 17:38:16,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:38:16,278 INFO L124 PetriNetUnfolderBase]: 65/1208 cut-off events. [2024-11-08 17:38:16,279 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-08 17:38:16,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1285 conditions, 1208 events. 65/1208 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6930 event pairs, 13 based on Foata normal form. 0/998 useless extension candidates. Maximal degree in co-relation 1267. Up to 61 conditions per place. [2024-11-08 17:38:16,287 INFO L140 encePairwiseOnDemand]: 433/439 looper letters, 14 selfloop transitions, 2 changer transitions 0/393 dead transitions. [2024-11-08 17:38:16,287 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 393 transitions, 834 flow [2024-11-08 17:38:16,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:38:16,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:38:16,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1247 transitions. [2024-11-08 17:38:16,291 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9468488990129081 [2024-11-08 17:38:16,291 INFO L175 Difference]: Start difference. First operand has 391 places, 394 transitions, 803 flow. Second operand 3 states and 1247 transitions. [2024-11-08 17:38:16,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 393 transitions, 834 flow [2024-11-08 17:38:16,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 393 transitions, 824 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 17:38:16,299 INFO L231 Difference]: Finished difference. Result has 385 places, 392 transitions, 799 flow [2024-11-08 17:38:16,300 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=785, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=799, PETRI_PLACES=385, PETRI_TRANSITIONS=392} [2024-11-08 17:38:16,303 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -19 predicate places. [2024-11-08 17:38:16,303 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 392 transitions, 799 flow [2024-11-08 17:38:16,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:16,305 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:38:16,305 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] [2024-11-08 17:38:16,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:38:16,306 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-08 17:38:16,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:16,307 INFO L85 PathProgramCache]: Analyzing trace with hash 469559327, now seen corresponding path program 1 times [2024-11-08 17:38:16,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:16,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988517023] [2024-11-08 17:38:16,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:16,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:16,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:38:16,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:16,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988517023] [2024-11-08 17:38:16,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988517023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:16,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:16,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:38:16,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330025525] [2024-11-08 17:38:16,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:16,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:38:16,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:16,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:38:16,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:38:16,397 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 439 [2024-11-08 17:38:16,399 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 392 transitions, 799 flow. Second operand has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:16,399 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:38:16,399 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 439 [2024-11-08 17:38:16,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:38:16,540 INFO L124 PetriNetUnfolderBase]: 38/893 cut-off events. [2024-11-08 17:38:16,540 INFO L125 PetriNetUnfolderBase]: For 2/7 co-relation queries the response was YES. [2024-11-08 17:38:16,545 INFO L83 FinitePrefix]: Finished finitePrefix Result has 944 conditions, 893 events. 38/893 cut-off events. For 2/7 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3908 event pairs, 1 based on Foata normal form. 1/753 useless extension candidates. Maximal degree in co-relation 909. Up to 20 conditions per place. [2024-11-08 17:38:16,549 INFO L140 encePairwiseOnDemand]: 432/439 looper letters, 11 selfloop transitions, 3 changer transitions 0/389 dead transitions. [2024-11-08 17:38:16,549 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 389 transitions, 822 flow [2024-11-08 17:38:16,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:38:16,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:38:16,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1245 transitions. [2024-11-08 17:38:16,553 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9453302961275627 [2024-11-08 17:38:16,553 INFO L175 Difference]: Start difference. First operand has 385 places, 392 transitions, 799 flow. Second operand 3 states and 1245 transitions. [2024-11-08 17:38:16,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 389 transitions, 822 flow [2024-11-08 17:38:16,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 389 transitions, 822 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 17:38:16,560 INFO L231 Difference]: Finished difference. Result has 383 places, 388 transitions, 797 flow [2024-11-08 17:38:16,561 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=791, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=385, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=797, PETRI_PLACES=383, PETRI_TRANSITIONS=388} [2024-11-08 17:38:16,562 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -21 predicate places. [2024-11-08 17:38:16,562 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 388 transitions, 797 flow [2024-11-08 17:38:16,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:16,564 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:38:16,564 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] [2024-11-08 17:38:16,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 17:38:16,564 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-08 17:38:16,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:16,565 INFO L85 PathProgramCache]: Analyzing trace with hash -2139368673, now seen corresponding path program 1 times [2024-11-08 17:38:16,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:16,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754382107] [2024-11-08 17:38:16,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:16,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:16,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:38:16,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:16,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754382107] [2024-11-08 17:38:16,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754382107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:16,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:16,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:38:16,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090586004] [2024-11-08 17:38:16,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:16,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:38:16,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:16,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:38:16,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:38:16,725 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 439 [2024-11-08 17:38:16,726 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 388 transitions, 797 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:16,727 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:38:16,727 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 439 [2024-11-08 17:38:16,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:38:16,899 INFO L124 PetriNetUnfolderBase]: 62/789 cut-off events. [2024-11-08 17:38:16,899 INFO L125 PetriNetUnfolderBase]: For 37/38 co-relation queries the response was YES. [2024-11-08 17:38:16,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 954 conditions, 789 events. 62/789 cut-off events. For 37/38 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3751 event pairs, 5 based on Foata normal form. 1/703 useless extension candidates. Maximal degree in co-relation 918. Up to 121 conditions per place. [2024-11-08 17:38:16,908 INFO L140 encePairwiseOnDemand]: 412/439 looper letters, 29 selfloop transitions, 10 changer transitions 4/373 dead transitions. [2024-11-08 17:38:16,909 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 373 transitions, 850 flow [2024-11-08 17:38:16,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:38:16,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:38:16,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1164 transitions. [2024-11-08 17:38:16,914 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8838268792710706 [2024-11-08 17:38:16,915 INFO L175 Difference]: Start difference. First operand has 383 places, 388 transitions, 797 flow. Second operand 3 states and 1164 transitions. [2024-11-08 17:38:16,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 373 transitions, 850 flow [2024-11-08 17:38:16,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 373 transitions, 844 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:38:16,922 INFO L231 Difference]: Finished difference. Result has 367 places, 368 transitions, 770 flow [2024-11-08 17:38:16,923 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=759, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=372, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=770, PETRI_PLACES=367, PETRI_TRANSITIONS=368} [2024-11-08 17:38:16,924 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -37 predicate places. [2024-11-08 17:38:16,925 INFO L471 AbstractCegarLoop]: Abstraction has has 367 places, 368 transitions, 770 flow [2024-11-08 17:38:16,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:16,926 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:38:16,926 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:38:16,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 17:38:16,927 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-08 17:38:16,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:16,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1870507804, now seen corresponding path program 1 times [2024-11-08 17:38:16,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:16,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445195908] [2024-11-08 17:38:16,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:16,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:16,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:38:16,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:16,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445195908] [2024-11-08 17:38:16,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445195908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:16,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:16,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:38:16,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017315811] [2024-11-08 17:38:16,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:16,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:38:16,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:16,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:38:16,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:38:17,010 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 439 [2024-11-08 17:38:17,012 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 368 transitions, 770 flow. Second operand has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:17,012 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:38:17,013 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 439 [2024-11-08 17:38:17,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:38:17,235 INFO L124 PetriNetUnfolderBase]: 105/1518 cut-off events. [2024-11-08 17:38:17,235 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-08 17:38:17,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1713 conditions, 1518 events. 105/1518 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 8967 event pairs, 11 based on Foata normal form. 0/1354 useless extension candidates. Maximal degree in co-relation 1677. Up to 106 conditions per place. [2024-11-08 17:38:17,248 INFO L140 encePairwiseOnDemand]: 429/439 looper letters, 18 selfloop transitions, 4 changer transitions 0/368 dead transitions. [2024-11-08 17:38:17,248 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 368 transitions, 816 flow [2024-11-08 17:38:17,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:38:17,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:38:17,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1237 transitions. [2024-11-08 17:38:17,251 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9392558845861807 [2024-11-08 17:38:17,251 INFO L175 Difference]: Start difference. First operand has 367 places, 368 transitions, 770 flow. Second operand 3 states and 1237 transitions. [2024-11-08 17:38:17,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 368 transitions, 816 flow [2024-11-08 17:38:17,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 368 transitions, 796 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:38:17,259 INFO L231 Difference]: Finished difference. Result has 358 places, 366 transitions, 766 flow [2024-11-08 17:38:17,260 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=738, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=766, PETRI_PLACES=358, PETRI_TRANSITIONS=366} [2024-11-08 17:38:17,261 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -46 predicate places. [2024-11-08 17:38:17,261 INFO L471 AbstractCegarLoop]: Abstraction has has 358 places, 366 transitions, 766 flow [2024-11-08 17:38:17,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:17,262 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:38:17,262 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] [2024-11-08 17:38:17,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 17:38:17,263 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-08 17:38:17,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:17,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1118773258, now seen corresponding path program 1 times [2024-11-08 17:38:17,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:17,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512113657] [2024-11-08 17:38:17,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:17,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:17,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:38:17,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:17,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512113657] [2024-11-08 17:38:17,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512113657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:17,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:17,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:38:17,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885974582] [2024-11-08 17:38:17,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:17,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:38:17,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:17,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:38:17,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:38:17,443 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 439 [2024-11-08 17:38:17,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 366 transitions, 766 flow. Second operand has 4 states, 4 states have (on average 416.25) internal successors, (1665), 4 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:17,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:38:17,446 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 439 [2024-11-08 17:38:17,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:38:17,815 INFO L124 PetriNetUnfolderBase]: 98/1876 cut-off events. [2024-11-08 17:38:17,815 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-08 17:38:17,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2012 conditions, 1876 events. 98/1876 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 11593 event pairs, 6 based on Foata normal form. 0/1674 useless extension candidates. Maximal degree in co-relation 1975. Up to 45 conditions per place. [2024-11-08 17:38:17,831 INFO L140 encePairwiseOnDemand]: 433/439 looper letters, 13 selfloop transitions, 6 changer transitions 0/375 dead transitions. [2024-11-08 17:38:17,832 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 375 transitions, 826 flow [2024-11-08 17:38:17,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:38:17,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-08 17:38:17,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2095 transitions. [2024-11-08 17:38:17,836 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9544419134396356 [2024-11-08 17:38:17,837 INFO L175 Difference]: Start difference. First operand has 358 places, 366 transitions, 766 flow. Second operand 5 states and 2095 transitions. [2024-11-08 17:38:17,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 375 transitions, 826 flow [2024-11-08 17:38:17,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 375 transitions, 826 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 17:38:17,844 INFO L231 Difference]: Finished difference. Result has 365 places, 370 transitions, 804 flow [2024-11-08 17:38:17,845 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=766, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=804, PETRI_PLACES=365, PETRI_TRANSITIONS=370} [2024-11-08 17:38:17,847 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -39 predicate places. [2024-11-08 17:38:17,847 INFO L471 AbstractCegarLoop]: Abstraction has has 365 places, 370 transitions, 804 flow [2024-11-08 17:38:17,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 416.25) internal successors, (1665), 4 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:17,848 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:38:17,849 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] [2024-11-08 17:38:17,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 17:38:17,849 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-08 17:38:17,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:17,850 INFO L85 PathProgramCache]: Analyzing trace with hash 747310378, now seen corresponding path program 1 times [2024-11-08 17:38:17,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:17,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595321281] [2024-11-08 17:38:17,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:17,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:18,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:38:18,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:18,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595321281] [2024-11-08 17:38:18,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595321281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:18,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:18,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:38:18,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024923545] [2024-11-08 17:38:18,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:18,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:38:18,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:18,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:38:18,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:38:18,830 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 439 [2024-11-08 17:38:18,833 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 370 transitions, 804 flow. Second operand has 6 states, 6 states have (on average 409.5) internal successors, (2457), 6 states have internal predecessors, (2457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:18,833 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:38:18,833 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 439 [2024-11-08 17:38:18,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:38:19,094 INFO L124 PetriNetUnfolderBase]: 80/1445 cut-off events. [2024-11-08 17:38:19,095 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-08 17:38:19,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1608 conditions, 1445 events. 80/1445 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 7994 event pairs, 5 based on Foata normal form. 0/1300 useless extension candidates. Maximal degree in co-relation 1565. Up to 35 conditions per place. [2024-11-08 17:38:19,108 INFO L140 encePairwiseOnDemand]: 433/439 looper letters, 15 selfloop transitions, 6 changer transitions 0/373 dead transitions. [2024-11-08 17:38:19,108 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 373 transitions, 856 flow [2024-11-08 17:38:19,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:38:19,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 17:38:19,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2469 transitions. [2024-11-08 17:38:19,114 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9373576309794989 [2024-11-08 17:38:19,114 INFO L175 Difference]: Start difference. First operand has 365 places, 370 transitions, 804 flow. Second operand 6 states and 2469 transitions. [2024-11-08 17:38:19,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 373 transitions, 856 flow [2024-11-08 17:38:19,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 373 transitions, 856 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 17:38:19,121 INFO L231 Difference]: Finished difference. Result has 369 places, 369 transitions, 814 flow [2024-11-08 17:38:19,122 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=802, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=814, PETRI_PLACES=369, PETRI_TRANSITIONS=369} [2024-11-08 17:38:19,123 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -35 predicate places. [2024-11-08 17:38:19,123 INFO L471 AbstractCegarLoop]: Abstraction has has 369 places, 369 transitions, 814 flow [2024-11-08 17:38:19,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 409.5) internal successors, (2457), 6 states have internal predecessors, (2457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:19,125 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:38:19,125 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:38:19,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 17:38:19,125 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-08 17:38:19,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:19,126 INFO L85 PathProgramCache]: Analyzing trace with hash 579963529, now seen corresponding path program 1 times [2024-11-08 17:38:19,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:19,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626803097] [2024-11-08 17:38:19,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:19,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:19,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:38:19,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:19,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626803097] [2024-11-08 17:38:19,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626803097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:19,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:19,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:38:19,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959303038] [2024-11-08 17:38:19,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:19,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:38:19,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:19,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:38:19,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:38:19,380 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 439 [2024-11-08 17:38:19,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 369 transitions, 814 flow. Second operand has 4 states, 4 states have (on average 412.5) internal successors, (1650), 4 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:19,382 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:38:19,382 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 439 [2024-11-08 17:38:19,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:38:19,757 INFO L124 PetriNetUnfolderBase]: 119/1975 cut-off events. [2024-11-08 17:38:19,757 INFO L125 PetriNetUnfolderBase]: For 42/43 co-relation queries the response was YES. [2024-11-08 17:38:19,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2257 conditions, 1975 events. 119/1975 cut-off events. For 42/43 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 11497 event pairs, 12 based on Foata normal form. 0/1773 useless extension candidates. Maximal degree in co-relation 2214. Up to 89 conditions per place. [2024-11-08 17:38:19,773 INFO L140 encePairwiseOnDemand]: 431/439 looper letters, 16 selfloop transitions, 8 changer transitions 0/379 dead transitions. [2024-11-08 17:38:19,774 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 379 transitions, 885 flow [2024-11-08 17:38:19,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:38:19,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-08 17:38:19,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2080 transitions. [2024-11-08 17:38:19,779 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9476082004555809 [2024-11-08 17:38:19,779 INFO L175 Difference]: Start difference. First operand has 369 places, 369 transitions, 814 flow. Second operand 5 states and 2080 transitions. [2024-11-08 17:38:19,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 379 transitions, 885 flow [2024-11-08 17:38:19,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 379 transitions, 873 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 17:38:19,789 INFO L231 Difference]: Finished difference. Result has 371 places, 375 transitions, 856 flow [2024-11-08 17:38:19,790 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=802, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=856, PETRI_PLACES=371, PETRI_TRANSITIONS=375} [2024-11-08 17:38:19,791 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -33 predicate places. [2024-11-08 17:38:19,792 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 375 transitions, 856 flow [2024-11-08 17:38:19,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 412.5) internal successors, (1650), 4 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:19,793 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:38:19,793 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] [2024-11-08 17:38:19,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 17:38:19,794 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-08 17:38:19,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:19,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1434899859, now seen corresponding path program 1 times [2024-11-08 17:38:19,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:19,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918857866] [2024-11-08 17:38:19,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:19,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:19,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:38:19,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:19,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918857866] [2024-11-08 17:38:19,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918857866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:19,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:19,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:38:19,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664036040] [2024-11-08 17:38:19,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:19,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:38:19,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:19,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:38:19,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:38:19,882 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 439 [2024-11-08 17:38:19,884 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 375 transitions, 856 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:19,884 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:38:19,884 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 439 [2024-11-08 17:38:19,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:38:20,415 INFO L124 PetriNetUnfolderBase]: 132/2774 cut-off events. [2024-11-08 17:38:20,415 INFO L125 PetriNetUnfolderBase]: For 55/55 co-relation queries the response was YES. [2024-11-08 17:38:20,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3126 conditions, 2774 events. 132/2774 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 19164 event pairs, 16 based on Foata normal form. 0/2501 useless extension candidates. Maximal degree in co-relation 3080. Up to 69 conditions per place. [2024-11-08 17:38:20,438 INFO L140 encePairwiseOnDemand]: 436/439 looper letters, 9 selfloop transitions, 2 changer transitions 0/375 dead transitions. [2024-11-08 17:38:20,438 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 375 transitions, 879 flow [2024-11-08 17:38:20,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:38:20,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:38:20,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1251 transitions. [2024-11-08 17:38:20,442 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9498861047835991 [2024-11-08 17:38:20,442 INFO L175 Difference]: Start difference. First operand has 371 places, 375 transitions, 856 flow. Second operand 3 states and 1251 transitions. [2024-11-08 17:38:20,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 375 transitions, 879 flow [2024-11-08 17:38:20,445 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 375 transitions, 879 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 17:38:20,449 INFO L231 Difference]: Finished difference. Result has 372 places, 374 transitions, 858 flow [2024-11-08 17:38:20,450 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=854, PETRI_DIFFERENCE_MINUEND_PLACES=370, 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=858, PETRI_PLACES=372, PETRI_TRANSITIONS=374} [2024-11-08 17:38:20,451 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -32 predicate places. [2024-11-08 17:38:20,451 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 374 transitions, 858 flow [2024-11-08 17:38:20,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:20,452 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:38:20,452 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] [2024-11-08 17:38:20,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 17:38:20,453 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-08 17:38:20,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:20,453 INFO L85 PathProgramCache]: Analyzing trace with hash -634934475, now seen corresponding path program 1 times [2024-11-08 17:38:20,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:20,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047084881] [2024-11-08 17:38:20,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:20,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:20,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:38:20,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:20,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047084881] [2024-11-08 17:38:20,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047084881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:20,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:20,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:38:20,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374641171] [2024-11-08 17:38:20,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:20,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:38:20,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:20,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:38:20,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:38:20,687 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 439 [2024-11-08 17:38:20,689 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 374 transitions, 858 flow. Second operand has 4 states, 4 states have (on average 412.5) internal successors, (1650), 4 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:20,689 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:38:20,689 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 439 [2024-11-08 17:38:20,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:38:21,070 INFO L124 PetriNetUnfolderBase]: 116/1965 cut-off events. [2024-11-08 17:38:21,070 INFO L125 PetriNetUnfolderBase]: For 120/121 co-relation queries the response was YES. [2024-11-08 17:38:21,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2325 conditions, 1965 events. 116/1965 cut-off events. For 120/121 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 11444 event pairs, 12 based on Foata normal form. 0/1779 useless extension candidates. Maximal degree in co-relation 2277. Up to 89 conditions per place. [2024-11-08 17:38:21,086 INFO L140 encePairwiseOnDemand]: 431/439 looper letters, 16 selfloop transitions, 8 changer transitions 0/381 dead transitions. [2024-11-08 17:38:21,086 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 381 transitions, 923 flow [2024-11-08 17:38:21,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:38:21,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-08 17:38:21,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2080 transitions. [2024-11-08 17:38:21,090 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9476082004555809 [2024-11-08 17:38:21,091 INFO L175 Difference]: Start difference. First operand has 372 places, 374 transitions, 858 flow. Second operand 5 states and 2080 transitions. [2024-11-08 17:38:21,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 381 transitions, 923 flow [2024-11-08 17:38:21,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 381 transitions, 919 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:38:21,098 INFO L231 Difference]: Finished difference. Result has 377 places, 377 transitions, 896 flow [2024-11-08 17:38:21,099 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=854, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=896, PETRI_PLACES=377, PETRI_TRANSITIONS=377} [2024-11-08 17:38:21,099 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -27 predicate places. [2024-11-08 17:38:21,100 INFO L471 AbstractCegarLoop]: Abstraction has has 377 places, 377 transitions, 896 flow [2024-11-08 17:38:21,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 412.5) internal successors, (1650), 4 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:21,101 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:38:21,101 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] [2024-11-08 17:38:21,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 17:38:21,101 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-08 17:38:21,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:21,102 INFO L85 PathProgramCache]: Analyzing trace with hash 334272350, now seen corresponding path program 1 times [2024-11-08 17:38:21,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:21,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875099907] [2024-11-08 17:38:21,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:21,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:21,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:38:21,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:21,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875099907] [2024-11-08 17:38:21,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875099907] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:21,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:21,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:38:21,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644038319] [2024-11-08 17:38:21,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:21,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:38:21,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:21,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:38:21,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:38:22,026 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 439 [2024-11-08 17:38:22,029 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 377 transitions, 896 flow. Second operand has 6 states, 6 states have (on average 381.6666666666667) internal successors, (2290), 6 states have internal predecessors, (2290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:22,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:38:22,030 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 439 [2024-11-08 17:38:22,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:38:22,392 INFO L124 PetriNetUnfolderBase]: 166/1653 cut-off events. [2024-11-08 17:38:22,392 INFO L125 PetriNetUnfolderBase]: For 235/236 co-relation queries the response was YES. [2024-11-08 17:38:22,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2316 conditions, 1653 events. 166/1653 cut-off events. For 235/236 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 9070 event pairs, 18 based on Foata normal form. 0/1539 useless extension candidates. Maximal degree in co-relation 2263. Up to 128 conditions per place. [2024-11-08 17:38:22,411 INFO L140 encePairwiseOnDemand]: 409/439 looper letters, 19 selfloop transitions, 28 changer transitions 0/376 dead transitions. [2024-11-08 17:38:22,411 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 376 transitions, 992 flow [2024-11-08 17:38:22,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:38:22,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 17:38:22,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2329 transitions. [2024-11-08 17:38:22,416 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.884206529992407 [2024-11-08 17:38:22,416 INFO L175 Difference]: Start difference. First operand has 377 places, 377 transitions, 896 flow. Second operand 6 states and 2329 transitions. [2024-11-08 17:38:22,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 376 transitions, 992 flow [2024-11-08 17:38:22,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 376 transitions, 992 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 17:38:22,424 INFO L231 Difference]: Finished difference. Result has 377 places, 372 transitions, 942 flow [2024-11-08 17:38:22,425 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=372, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=942, PETRI_PLACES=377, PETRI_TRANSITIONS=372} [2024-11-08 17:38:22,425 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -27 predicate places. [2024-11-08 17:38:22,425 INFO L471 AbstractCegarLoop]: Abstraction has has 377 places, 372 transitions, 942 flow [2024-11-08 17:38:22,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 381.6666666666667) internal successors, (2290), 6 states have internal predecessors, (2290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:22,427 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:38:22,427 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] [2024-11-08 17:38:22,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 17:38:22,427 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-08 17:38:22,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:22,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1793062042, now seen corresponding path program 1 times [2024-11-08 17:38:22,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:22,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510969239] [2024-11-08 17:38:22,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:22,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:22,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:38:22,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:22,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510969239] [2024-11-08 17:38:22,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510969239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:22,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:22,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:38:22,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506898365] [2024-11-08 17:38:22,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:22,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:38:22,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:22,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:38:22,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:38:22,571 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 439 [2024-11-08 17:38:22,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 372 transitions, 942 flow. Second operand has 3 states, 3 states have (on average 399.6666666666667) internal successors, (1199), 3 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:22,573 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:38:22,573 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 439 [2024-11-08 17:38:22,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:38:22,931 INFO L124 PetriNetUnfolderBase]: 148/1899 cut-off events. [2024-11-08 17:38:22,931 INFO L125 PetriNetUnfolderBase]: For 249/250 co-relation queries the response was YES. [2024-11-08 17:38:22,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2648 conditions, 1899 events. 148/1899 cut-off events. For 249/250 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 11164 event pairs, 68 based on Foata normal form. 0/1764 useless extension candidates. Maximal degree in co-relation 2596. Up to 244 conditions per place. [2024-11-08 17:38:22,950 INFO L140 encePairwiseOnDemand]: 436/439 looper letters, 25 selfloop transitions, 2 changer transitions 0/372 dead transitions. [2024-11-08 17:38:22,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 372 transitions, 997 flow [2024-11-08 17:38:22,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:38:22,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:38:22,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1219 transitions. [2024-11-08 17:38:22,954 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9255884586180714 [2024-11-08 17:38:22,954 INFO L175 Difference]: Start difference. First operand has 377 places, 372 transitions, 942 flow. Second operand 3 states and 1219 transitions. [2024-11-08 17:38:22,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 372 transitions, 997 flow [2024-11-08 17:38:22,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 372 transitions, 941 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 17:38:22,963 INFO L231 Difference]: Finished difference. Result has 373 places, 371 transitions, 888 flow [2024-11-08 17:38:22,964 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=884, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=888, PETRI_PLACES=373, PETRI_TRANSITIONS=371} [2024-11-08 17:38:22,964 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -31 predicate places. [2024-11-08 17:38:22,964 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 371 transitions, 888 flow [2024-11-08 17:38:22,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.6666666666667) internal successors, (1199), 3 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:22,965 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:38:22,965 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] [2024-11-08 17:38:22,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 17:38:22,966 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err37ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-08 17:38:22,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:22,966 INFO L85 PathProgramCache]: Analyzing trace with hash -44957068, now seen corresponding path program 1 times [2024-11-08 17:38:22,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:22,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705913143] [2024-11-08 17:38:22,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:22,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:23,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:38:23,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:23,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705913143] [2024-11-08 17:38:23,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705913143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:23,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:23,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:38:23,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156933493] [2024-11-08 17:38:23,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:23,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:38:23,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:23,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:38:23,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:38:23,110 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 439 [2024-11-08 17:38:23,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 371 transitions, 888 flow. Second operand has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:23,112 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:38:23,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 439 [2024-11-08 17:38:23,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:38:23,442 INFO L124 PetriNetUnfolderBase]: 142/1766 cut-off events. [2024-11-08 17:38:23,442 INFO L125 PetriNetUnfolderBase]: For 185/186 co-relation queries the response was YES. [2024-11-08 17:38:23,453 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2303 conditions, 1766 events. 142/1766 cut-off events. For 185/186 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 10074 event pairs, 68 based on Foata normal form. 0/1638 useless extension candidates. Maximal degree in co-relation 2251. Up to 241 conditions per place. [2024-11-08 17:38:23,457 INFO L140 encePairwiseOnDemand]: 436/439 looper letters, 24 selfloop transitions, 2 changer transitions 1/371 dead transitions. [2024-11-08 17:38:23,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 371 transitions, 943 flow [2024-11-08 17:38:23,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:38:23,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:38:23,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1219 transitions. [2024-11-08 17:38:23,460 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9255884586180714 [2024-11-08 17:38:23,460 INFO L175 Difference]: Start difference. First operand has 373 places, 371 transitions, 888 flow. Second operand 3 states and 1219 transitions. [2024-11-08 17:38:23,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 371 transitions, 943 flow [2024-11-08 17:38:23,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 371 transitions, 939 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:38:23,468 INFO L231 Difference]: Finished difference. Result has 372 places, 370 transitions, 886 flow [2024-11-08 17:38:23,468 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=886, PETRI_PLACES=372, PETRI_TRANSITIONS=370} [2024-11-08 17:38:23,469 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -32 predicate places. [2024-11-08 17:38:23,469 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 370 transitions, 886 flow [2024-11-08 17:38:23,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:23,470 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:38:23,470 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] [2024-11-08 17:38:23,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 17:38:23,470 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err29ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-08 17:38:23,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:23,471 INFO L85 PathProgramCache]: Analyzing trace with hash 170799553, now seen corresponding path program 1 times [2024-11-08 17:38:23,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:23,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064188820] [2024-11-08 17:38:23,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:23,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:23,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:38:23,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:23,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064188820] [2024-11-08 17:38:23,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064188820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:23,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:23,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:38:23,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94420864] [2024-11-08 17:38:23,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:23,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:38:23,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:23,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:38:23,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:38:23,632 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 439 [2024-11-08 17:38:23,634 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 370 transitions, 886 flow. Second operand has 3 states, 3 states have (on average 399.6666666666667) internal successors, (1199), 3 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:23,634 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:38:23,634 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 439 [2024-11-08 17:38:23,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:38:23,966 INFO L124 PetriNetUnfolderBase]: 145/1820 cut-off events. [2024-11-08 17:38:23,966 INFO L125 PetriNetUnfolderBase]: For 187/188 co-relation queries the response was YES. [2024-11-08 17:38:23,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2363 conditions, 1820 events. 145/1820 cut-off events. For 187/188 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 10530 event pairs, 68 based on Foata normal form. 0/1695 useless extension candidates. Maximal degree in co-relation 2311. Up to 242 conditions per place. [2024-11-08 17:38:23,985 INFO L140 encePairwiseOnDemand]: 436/439 looper letters, 24 selfloop transitions, 2 changer transitions 1/370 dead transitions. [2024-11-08 17:38:23,986 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 370 transitions, 941 flow [2024-11-08 17:38:23,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:38:23,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:38:23,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1219 transitions. [2024-11-08 17:38:23,989 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9255884586180714 [2024-11-08 17:38:23,989 INFO L175 Difference]: Start difference. First operand has 372 places, 370 transitions, 886 flow. Second operand 3 states and 1219 transitions. [2024-11-08 17:38:23,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 370 transitions, 941 flow [2024-11-08 17:38:23,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 370 transitions, 937 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:38:23,996 INFO L231 Difference]: Finished difference. Result has 371 places, 369 transitions, 884 flow [2024-11-08 17:38:23,997 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=884, PETRI_PLACES=371, PETRI_TRANSITIONS=369} [2024-11-08 17:38:23,997 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -33 predicate places. [2024-11-08 17:38:23,998 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 369 transitions, 884 flow [2024-11-08 17:38:23,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.6666666666667) internal successors, (1199), 3 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:23,998 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:38:23,999 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] [2024-11-08 17:38:23,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 17:38:23,999 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-08 17:38:23,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:24,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1206147397, now seen corresponding path program 1 times [2024-11-08 17:38:24,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:24,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531554637] [2024-11-08 17:38:24,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:24,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:24,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:38:24,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:24,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531554637] [2024-11-08 17:38:24,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531554637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:24,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:24,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:38:24,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971202221] [2024-11-08 17:38:24,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:24,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:38:24,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:24,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:38:24,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:38:24,175 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 439 [2024-11-08 17:38:24,178 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 369 transitions, 884 flow. Second operand has 3 states, 3 states have (on average 400.6666666666667) internal successors, (1202), 3 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:24,178 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:38:24,178 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 439 [2024-11-08 17:38:24,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:38:24,578 INFO L124 PetriNetUnfolderBase]: 147/1853 cut-off events. [2024-11-08 17:38:24,578 INFO L125 PetriNetUnfolderBase]: For 189/190 co-relation queries the response was YES. [2024-11-08 17:38:24,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2409 conditions, 1853 events. 147/1853 cut-off events. For 189/190 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 10740 event pairs, 68 based on Foata normal form. 0/1732 useless extension candidates. Maximal degree in co-relation 2357. Up to 244 conditions per place. [2024-11-08 17:38:24,598 INFO L140 encePairwiseOnDemand]: 436/439 looper letters, 25 selfloop transitions, 2 changer transitions 0/369 dead transitions. [2024-11-08 17:38:24,599 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 369 transitions, 939 flow [2024-11-08 17:38:24,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:38:24,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:38:24,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1219 transitions. [2024-11-08 17:38:24,602 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9255884586180714 [2024-11-08 17:38:24,602 INFO L175 Difference]: Start difference. First operand has 371 places, 369 transitions, 884 flow. Second operand 3 states and 1219 transitions. [2024-11-08 17:38:24,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 369 transitions, 939 flow [2024-11-08 17:38:24,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 369 transitions, 935 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:38:24,610 INFO L231 Difference]: Finished difference. Result has 370 places, 368 transitions, 882 flow [2024-11-08 17:38:24,610 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=878, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=882, PETRI_PLACES=370, PETRI_TRANSITIONS=368} [2024-11-08 17:38:24,611 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -34 predicate places. [2024-11-08 17:38:24,611 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 368 transitions, 882 flow [2024-11-08 17:38:24,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 400.6666666666667) internal successors, (1202), 3 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:24,612 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:38:24,612 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] [2024-11-08 17:38:24,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 17:38:24,612 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 98 more)] === [2024-11-08 17:38:24,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:38:24,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1889376412, now seen corresponding path program 1 times [2024-11-08 17:38:24,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:38:24,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457271283] [2024-11-08 17:38:24,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:38:24,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:38:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:38:24,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:38:24,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:38:24,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457271283] [2024-11-08 17:38:24,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457271283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:38:24,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:38:24,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:38:24,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664148954] [2024-11-08 17:38:24,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:38:24,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:38:24,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:38:24,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:38:24,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:38:24,834 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 439 [2024-11-08 17:38:24,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 368 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 401.6666666666667) internal successors, (1205), 3 states have internal predecessors, (1205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:24,835 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:38:24,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 439 [2024-11-08 17:38:24,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:38:25,186 INFO L124 PetriNetUnfolderBase]: 146/1814 cut-off events. [2024-11-08 17:38:25,186 INFO L125 PetriNetUnfolderBase]: For 187/188 co-relation queries the response was YES. [2024-11-08 17:38:25,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2369 conditions, 1814 events. 146/1814 cut-off events. For 187/188 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 10406 event pairs, 68 based on Foata normal form. 0/1699 useless extension candidates. Maximal degree in co-relation 2317. Up to 244 conditions per place. [2024-11-08 17:38:25,198 INFO L140 encePairwiseOnDemand]: 436/439 looper letters, 0 selfloop transitions, 0 changer transitions 368/368 dead transitions. [2024-11-08 17:38:25,198 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 368 transitions, 937 flow [2024-11-08 17:38:25,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:38:25,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:38:25,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1219 transitions. [2024-11-08 17:38:25,201 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9255884586180714 [2024-11-08 17:38:25,201 INFO L175 Difference]: Start difference. First operand has 370 places, 368 transitions, 882 flow. Second operand 3 states and 1219 transitions. [2024-11-08 17:38:25,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 368 transitions, 937 flow [2024-11-08 17:38:25,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 368 transitions, 933 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:38:25,206 INFO L231 Difference]: Finished difference. Result has 369 places, 0 transitions, 0 flow [2024-11-08 17:38:25,207 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=876, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=369, PETRI_TRANSITIONS=0} [2024-11-08 17:38:25,207 INFO L277 CegarLoopForPetriNet]: 404 programPoint places, -35 predicate places. [2024-11-08 17:38:25,207 INFO L471 AbstractCegarLoop]: Abstraction has has 369 places, 0 transitions, 0 flow [2024-11-08 17:38:25,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.6666666666667) internal successors, (1205), 3 states have internal predecessors, (1205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:38:25,212 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (101 of 102 remaining) [2024-11-08 17:38:25,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (100 of 102 remaining) [2024-11-08 17:38:25,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (99 of 102 remaining) [2024-11-08 17:38:25,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (98 of 102 remaining) [2024-11-08 17:38:25,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (97 of 102 remaining) [2024-11-08 17:38:25,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (96 of 102 remaining) [2024-11-08 17:38:25,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (95 of 102 remaining) [2024-11-08 17:38:25,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (94 of 102 remaining) [2024-11-08 17:38:25,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (93 of 102 remaining) [2024-11-08 17:38:25,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (92 of 102 remaining) [2024-11-08 17:38:25,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (91 of 102 remaining) [2024-11-08 17:38:25,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (90 of 102 remaining) [2024-11-08 17:38:25,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (89 of 102 remaining) [2024-11-08 17:38:25,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (88 of 102 remaining) [2024-11-08 17:38:25,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (87 of 102 remaining) [2024-11-08 17:38:25,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (86 of 102 remaining) [2024-11-08 17:38:25,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (85 of 102 remaining) [2024-11-08 17:38:25,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (84 of 102 remaining) [2024-11-08 17:38:25,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (83 of 102 remaining) [2024-11-08 17:38:25,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (82 of 102 remaining) [2024-11-08 17:38:25,217 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (81 of 102 remaining) [2024-11-08 17:38:25,217 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (80 of 102 remaining) [2024-11-08 17:38:25,217 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (79 of 102 remaining) [2024-11-08 17:38:25,218 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (78 of 102 remaining) [2024-11-08 17:38:25,218 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (77 of 102 remaining) [2024-11-08 17:38:25,218 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (76 of 102 remaining) [2024-11-08 17:38:25,218 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (75 of 102 remaining) [2024-11-08 17:38:25,218 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (74 of 102 remaining) [2024-11-08 17:38:25,218 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (73 of 102 remaining) [2024-11-08 17:38:25,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (72 of 102 remaining) [2024-11-08 17:38:25,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (71 of 102 remaining) [2024-11-08 17:38:25,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (70 of 102 remaining) [2024-11-08 17:38:25,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (69 of 102 remaining) [2024-11-08 17:38:25,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (68 of 102 remaining) [2024-11-08 17:38:25,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (67 of 102 remaining) [2024-11-08 17:38:25,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (66 of 102 remaining) [2024-11-08 17:38:25,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (65 of 102 remaining) [2024-11-08 17:38:25,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (64 of 102 remaining) [2024-11-08 17:38:25,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (63 of 102 remaining) [2024-11-08 17:38:25,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (62 of 102 remaining) [2024-11-08 17:38:25,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (61 of 102 remaining) [2024-11-08 17:38:25,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (60 of 102 remaining) [2024-11-08 17:38:25,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (59 of 102 remaining) [2024-11-08 17:38:25,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (58 of 102 remaining) [2024-11-08 17:38:25,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (57 of 102 remaining) [2024-11-08 17:38:25,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (56 of 102 remaining) [2024-11-08 17:38:25,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (55 of 102 remaining) [2024-11-08 17:38:25,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (54 of 102 remaining) [2024-11-08 17:38:25,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (53 of 102 remaining) [2024-11-08 17:38:25,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (52 of 102 remaining) [2024-11-08 17:38:25,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (51 of 102 remaining) [2024-11-08 17:38:25,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (50 of 102 remaining) [2024-11-08 17:38:25,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (49 of 102 remaining) [2024-11-08 17:38:25,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (48 of 102 remaining) [2024-11-08 17:38:25,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (47 of 102 remaining) [2024-11-08 17:38:25,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (46 of 102 remaining) [2024-11-08 17:38:25,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (45 of 102 remaining) [2024-11-08 17:38:25,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (44 of 102 remaining) [2024-11-08 17:38:25,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (43 of 102 remaining) [2024-11-08 17:38:25,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (42 of 102 remaining) [2024-11-08 17:38:25,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (41 of 102 remaining) [2024-11-08 17:38:25,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (40 of 102 remaining) [2024-11-08 17:38:25,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (39 of 102 remaining) [2024-11-08 17:38:25,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (38 of 102 remaining) [2024-11-08 17:38:25,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (37 of 102 remaining) [2024-11-08 17:38:25,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (36 of 102 remaining) [2024-11-08 17:38:25,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (35 of 102 remaining) [2024-11-08 17:38:25,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (34 of 102 remaining) [2024-11-08 17:38:25,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (33 of 102 remaining) [2024-11-08 17:38:25,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (32 of 102 remaining) [2024-11-08 17:38:25,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (31 of 102 remaining) [2024-11-08 17:38:25,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (30 of 102 remaining) [2024-11-08 17:38:25,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (29 of 102 remaining) [2024-11-08 17:38:25,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (28 of 102 remaining) [2024-11-08 17:38:25,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (27 of 102 remaining) [2024-11-08 17:38:25,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (26 of 102 remaining) [2024-11-08 17:38:25,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (25 of 102 remaining) [2024-11-08 17:38:25,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (24 of 102 remaining) [2024-11-08 17:38:25,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (23 of 102 remaining) [2024-11-08 17:38:25,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (22 of 102 remaining) [2024-11-08 17:38:25,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (21 of 102 remaining) [2024-11-08 17:38:25,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (20 of 102 remaining) [2024-11-08 17:38:25,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (19 of 102 remaining) [2024-11-08 17:38:25,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (18 of 102 remaining) [2024-11-08 17:38:25,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (17 of 102 remaining) [2024-11-08 17:38:25,228 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (16 of 102 remaining) [2024-11-08 17:38:25,228 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (15 of 102 remaining) [2024-11-08 17:38:25,228 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (14 of 102 remaining) [2024-11-08 17:38:25,228 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 102 remaining) [2024-11-08 17:38:25,228 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (12 of 102 remaining) [2024-11-08 17:38:25,228 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (11 of 102 remaining) [2024-11-08 17:38:25,230 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (10 of 102 remaining) [2024-11-08 17:38:25,230 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (9 of 102 remaining) [2024-11-08 17:38:25,230 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (8 of 102 remaining) [2024-11-08 17:38:25,230 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (7 of 102 remaining) [2024-11-08 17:38:25,230 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (6 of 102 remaining) [2024-11-08 17:38:25,231 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (5 of 102 remaining) [2024-11-08 17:38:25,231 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (4 of 102 remaining) [2024-11-08 17:38:25,231 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (3 of 102 remaining) [2024-11-08 17:38:25,231 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (2 of 102 remaining) [2024-11-08 17:38:25,231 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (1 of 102 remaining) [2024-11-08 17:38:25,231 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (0 of 102 remaining) [2024-11-08 17:38:25,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 17:38:25,232 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:38:25,240 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 17:38:25,240 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:38:25,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:38:25 BasicIcfg [2024-11-08 17:38:25,250 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:38:25,251 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:38:25,251 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:38:25,251 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:38:25,251 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:38:11" (3/4) ... [2024-11-08 17:38:25,253 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 17:38:25,257 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-08 17:38:25,258 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-08 17:38:25,262 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-08 17:38:25,263 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 17:38:25,264 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 17:38:25,264 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 17:38:25,381 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3bf5e8-fba5-4e9a-8f8d-cc5780fa2383/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 17:38:25,382 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3bf5e8-fba5-4e9a-8f8d-cc5780fa2383/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 17:38:25,382 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:38:25,383 INFO L158 Benchmark]: Toolchain (without parser) took 15180.37ms. Allocated memory was 140.5MB in the beginning and 411.0MB in the end (delta: 270.5MB). Free memory was 99.9MB in the beginning and 315.4MB in the end (delta: -215.5MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-11-08 17:38:25,383 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 140.5MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:38:25,383 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.07ms. Allocated memory is still 140.5MB. Free memory was 99.5MB in the beginning and 84.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 17:38:25,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.17ms. Allocated memory is still 140.5MB. Free memory was 84.8MB in the beginning and 81.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:38:25,384 INFO L158 Benchmark]: Boogie Preprocessor took 44.86ms. Allocated memory is still 140.5MB. Free memory was 81.8MB in the beginning and 79.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:38:25,384 INFO L158 Benchmark]: RCFGBuilder took 1045.82ms. Allocated memory was 140.5MB in the beginning and 184.5MB in the end (delta: 44.0MB). Free memory was 78.9MB in the beginning and 141.7MB in the end (delta: -62.8MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-11-08 17:38:25,384 INFO L158 Benchmark]: TraceAbstraction took 13530.24ms. Allocated memory was 184.5MB in the beginning and 411.0MB in the end (delta: 226.5MB). Free memory was 140.5MB in the beginning and 320.6MB in the end (delta: -180.1MB). Peak memory consumption was 244.6MB. Max. memory is 16.1GB. [2024-11-08 17:38:25,385 INFO L158 Benchmark]: Witness Printer took 131.59ms. Allocated memory is still 411.0MB. Free memory was 320.6MB in the beginning and 315.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 17:38:25,388 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 140.5MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.07ms. Allocated memory is still 140.5MB. Free memory was 99.5MB in the beginning and 84.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.17ms. Allocated memory is still 140.5MB. Free memory was 84.8MB in the beginning and 81.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.86ms. Allocated memory is still 140.5MB. Free memory was 81.8MB in the beginning and 79.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1045.82ms. Allocated memory was 140.5MB in the beginning and 184.5MB in the end (delta: 44.0MB). Free memory was 78.9MB in the beginning and 141.7MB in the end (delta: -62.8MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * TraceAbstraction took 13530.24ms. Allocated memory was 184.5MB in the beginning and 411.0MB in the end (delta: 226.5MB). Free memory was 140.5MB in the beginning and 320.6MB in the end (delta: -180.1MB). Peak memory consumption was 244.6MB. Max. memory is 16.1GB. * Witness Printer took 131.59ms. Allocated memory is still 411.0MB. Free memory was 320.6MB in the beginning and 315.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 702 locations, 102 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 13.3s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2029 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 842 mSDsluCounter, 160 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 31 mSDsCounter, 302 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2219 IncrementalHoareTripleChecker+Invalid, 2521 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 302 mSolverCounterUnsat, 129 mSDtfsCounter, 2219 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=942occurred in iteration=15, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1898 NumberOfCodeBlocks, 1898 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1878 ConstructedInterpolants, 0 QuantifiedInterpolants, 2733 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 54 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-08 17:38:25,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3bf5e8-fba5-4e9a-8f8d-cc5780fa2383/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE