./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/reorder_5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa6e948-4b22-4cfd-86a5-9705e1f41fc6/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa6e948-4b22-4cfd-86a5-9705e1f41fc6/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa6e948-4b22-4cfd-86a5-9705e1f41fc6/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa6e948-4b22-4cfd-86a5-9705e1f41fc6/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/reorder_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa6e948-4b22-4cfd-86a5-9705e1f41fc6/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa6e948-4b22-4cfd-86a5-9705e1f41fc6/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0517a9ebb69eeca4ecbb6ac063832eb703719698fb2ee670ca348e2c511f9dfd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:06:42,342 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:06:42,417 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa6e948-4b22-4cfd-86a5-9705e1f41fc6/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 05:06:42,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:06:42,425 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:06:42,468 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:06:42,471 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:06:42,471 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:06:42,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:06:42,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:06:42,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:06:42,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:06:42,473 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:06:42,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:06:42,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:06:42,473 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:06:42,473 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:06:42,474 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:06:42,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:06:42,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:06:42,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:06:42,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:06:42,474 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 05:06:42,474 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:06:42,474 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:06:42,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:06:42,475 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:06:42,475 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:06:42,475 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:06:42,475 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:06:42,475 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:06:42,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:06:42,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:06:42,476 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:06:42,476 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:06:42,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:06:42,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:06:42,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:06:42,478 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:06:42,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:06:42,478 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:06:42,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:06:42,479 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:06:42,479 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:06:42,479 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:06:42,479 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:06:42,479 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa6e948-4b22-4cfd-86a5-9705e1f41fc6/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0517a9ebb69eeca4ecbb6ac063832eb703719698fb2ee670ca348e2c511f9dfd [2024-11-28 05:06:42,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:06:42,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:06:42,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:06:42,918 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:06:42,920 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:06:42,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa6e948-4b22-4cfd-86a5-9705e1f41fc6/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread/reorder_5.i [2024-11-28 05:06:46,709 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa6e948-4b22-4cfd-86a5-9705e1f41fc6/bin/uautomizer-verify-aQ6SnzHsRB/data/fb2f65fee/25da7530e379483a881fd42e0fd2cc6e/FLAG7fcfd3188 [2024-11-28 05:06:47,200 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:06:47,201 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa6e948-4b22-4cfd-86a5-9705e1f41fc6/sv-benchmarks/c/pthread/reorder_5.i [2024-11-28 05:06:47,237 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa6e948-4b22-4cfd-86a5-9705e1f41fc6/bin/uautomizer-verify-aQ6SnzHsRB/data/fb2f65fee/25da7530e379483a881fd42e0fd2cc6e/FLAG7fcfd3188 [2024-11-28 05:06:47,270 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa6e948-4b22-4cfd-86a5-9705e1f41fc6/bin/uautomizer-verify-aQ6SnzHsRB/data/fb2f65fee/25da7530e379483a881fd42e0fd2cc6e [2024-11-28 05:06:47,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:06:47,278 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:06:47,284 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:06:47,284 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:06:47,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:06:47,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:06:47" (1/1) ... [2024-11-28 05:06:47,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fef4a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:47, skipping insertion in model container [2024-11-28 05:06:47,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:06:47" (1/1) ... [2024-11-28 05:06:47,373 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:06:48,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:06:48,216 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:06:48,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:06:48,423 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:06:48,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:48 WrapperNode [2024-11-28 05:06:48,424 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:06:48,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:06:48,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:06:48,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:06:48,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:48" (1/1) ... [2024-11-28 05:06:48,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:48" (1/1) ... [2024-11-28 05:06:48,497 INFO L138 Inliner]: procedures = 371, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 208 [2024-11-28 05:06:48,498 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:06:48,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:06:48,499 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:06:48,499 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:06:48,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:48" (1/1) ... [2024-11-28 05:06:48,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:48" (1/1) ... [2024-11-28 05:06:48,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:48" (1/1) ... [2024-11-28 05:06:48,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:48" (1/1) ... [2024-11-28 05:06:48,548 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:48" (1/1) ... [2024-11-28 05:06:48,553 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:48" (1/1) ... [2024-11-28 05:06:48,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:48" (1/1) ... [2024-11-28 05:06:48,568 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:48" (1/1) ... [2024-11-28 05:06:48,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:48" (1/1) ... [2024-11-28 05:06:48,582 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:06:48,583 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:06:48,583 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:06:48,583 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:06:48,585 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:48" (1/1) ... [2024-11-28 05:06:48,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:06:48,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa6e948-4b22-4cfd-86a5-9705e1f41fc6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:06:48,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa6e948-4b22-4cfd-86a5-9705e1f41fc6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:06:48,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa6e948-4b22-4cfd-86a5-9705e1f41fc6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:06:48,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 05:06:48,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 05:06:48,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 05:06:48,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 05:06:48,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 05:06:48,680 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2024-11-28 05:06:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2024-11-28 05:06:48,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 05:06:48,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:06:48,681 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2024-11-28 05:06:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2024-11-28 05:06:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 05:06:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:06:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:06:48,684 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 05:06:48,943 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:06:48,945 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:06:49,559 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 05:06:49,559 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:06:49,611 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:06:49,612 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 05:06:49,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:06:49 BoogieIcfgContainer [2024-11-28 05:06:49,613 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:06:49,616 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:06:49,616 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:06:49,623 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:06:49,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:06:47" (1/3) ... [2024-11-28 05:06:49,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43fd726d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:06:49, skipping insertion in model container [2024-11-28 05:06:49,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:48" (2/3) ... [2024-11-28 05:06:49,625 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43fd726d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:06:49, skipping insertion in model container [2024-11-28 05:06:49,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:06:49" (3/3) ... [2024-11-28 05:06:49,627 INFO L128 eAbstractionObserver]: Analyzing ICFG reorder_5.i [2024-11-28 05:06:49,670 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:06:49,673 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG reorder_5.i that has 3 procedures, 224 locations, 1 initial locations, 4 loop locations, and 26 error locations. [2024-11-28 05:06:49,673 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 05:06:49,822 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-28 05:06:49,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 230 places, 242 transitions, 504 flow [2024-11-28 05:06:50,178 INFO L124 PetriNetUnfolderBase]: 37/514 cut-off events. [2024-11-28 05:06:50,181 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-28 05:06:50,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 531 conditions, 514 events. 37/514 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2037 event pairs, 0 based on Foata normal form. 0/417 useless extension candidates. Maximal degree in co-relation 278. Up to 8 conditions per place. [2024-11-28 05:06:50,194 INFO L82 GeneralOperation]: Start removeDead. Operand has 230 places, 242 transitions, 504 flow [2024-11-28 05:06:50,212 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 230 places, 242 transitions, 504 flow [2024-11-28 05:06:50,227 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:06:50,246 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;@40967387, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:06:50,249 INFO L334 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2024-11-28 05:06:50,260 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 05:06:50,261 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2024-11-28 05:06:50,262 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 05:06:50,262 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:06:50,263 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:06:50,263 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-28 05:06:50,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:50,272 INFO L85 PathProgramCache]: Analyzing trace with hash 783935003, now seen corresponding path program 1 times [2024-11-28 05:06:50,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:50,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000987842] [2024-11-28 05:06:50,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:50,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:50,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:50,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:50,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000987842] [2024-11-28 05:06:50,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000987842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:06:50,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:06:50,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:06:50,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960741419] [2024-11-28 05:06:50,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:06:50,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:06:50,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:50,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:06:50,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:06:50,665 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 242 [2024-11-28 05:06:50,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 242 transitions, 504 flow. Second operand has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:06:50,674 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:06:50,674 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 242 [2024-11-28 05:06:50,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:06:50,974 INFO L124 PetriNetUnfolderBase]: 63/784 cut-off events. [2024-11-28 05:06:50,975 INFO L125 PetriNetUnfolderBase]: For 90/142 co-relation queries the response was YES. [2024-11-28 05:06:50,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 944 conditions, 784 events. 63/784 cut-off events. For 90/142 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3917 event pairs, 50 based on Foata normal form. 53/708 useless extension candidates. Maximal degree in co-relation 557. Up to 128 conditions per place. [2024-11-28 05:06:50,991 INFO L140 encePairwiseOnDemand]: 222/242 looper letters, 18 selfloop transitions, 1 changer transitions 6/222 dead transitions. [2024-11-28 05:06:50,993 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 222 transitions, 502 flow [2024-11-28 05:06:50,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:06:50,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:06:51,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 647 transitions. [2024-11-28 05:06:51,022 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8911845730027548 [2024-11-28 05:06:51,024 INFO L175 Difference]: Start difference. First operand has 230 places, 242 transitions, 504 flow. Second operand 3 states and 647 transitions. [2024-11-28 05:06:51,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 222 transitions, 502 flow [2024-11-28 05:06:51,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 222 transitions, 502 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 05:06:51,042 INFO L231 Difference]: Finished difference. Result has 223 places, 216 transitions, 454 flow [2024-11-28 05:06:51,046 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=223, PETRI_TRANSITIONS=216} [2024-11-28 05:06:51,054 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -7 predicate places. [2024-11-28 05:06:51,055 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 216 transitions, 454 flow [2024-11-28 05:06:51,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:06:51,058 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:06:51,058 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:06:51,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:06:51,059 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-28 05:06:51,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:51,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1467841754, now seen corresponding path program 1 times [2024-11-28 05:06:51,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:51,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423093589] [2024-11-28 05:06:51,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:51,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:51,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:51,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:51,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423093589] [2024-11-28 05:06:51,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423093589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:06:51,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:06:51,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:06:51,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525730656] [2024-11-28 05:06:51,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:06:51,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:06:51,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:51,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:06:51,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:06:51,303 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 242 [2024-11-28 05:06:51,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 216 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 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) [2024-11-28 05:06:51,305 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:06:51,305 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 242 [2024-11-28 05:06:51,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:06:51,774 INFO L124 PetriNetUnfolderBase]: 60/1377 cut-off events. [2024-11-28 05:06:51,774 INFO L125 PetriNetUnfolderBase]: For 130/306 co-relation queries the response was YES. [2024-11-28 05:06:51,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1544 conditions, 1377 events. 60/1377 cut-off events. For 130/306 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 8646 event pairs, 28 based on Foata normal form. 0/1162 useless extension candidates. Maximal degree in co-relation 742. Up to 51 conditions per place. [2024-11-28 05:06:51,788 INFO L140 encePairwiseOnDemand]: 240/242 looper letters, 21 selfloop transitions, 1 changer transitions 0/225 dead transitions. [2024-11-28 05:06:51,788 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 225 transitions, 534 flow [2024-11-28 05:06:51,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:06:51,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:06:51,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 662 transitions. [2024-11-28 05:06:51,794 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9118457300275482 [2024-11-28 05:06:51,795 INFO L175 Difference]: Start difference. First operand has 223 places, 216 transitions, 454 flow. Second operand 3 states and 662 transitions. [2024-11-28 05:06:51,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 225 transitions, 534 flow [2024-11-28 05:06:51,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 225 transitions, 533 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 05:06:51,804 INFO L231 Difference]: Finished difference. Result has 217 places, 215 transitions, 453 flow [2024-11-28 05:06:51,805 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=453, PETRI_PLACES=217, PETRI_TRANSITIONS=215} [2024-11-28 05:06:51,806 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -13 predicate places. [2024-11-28 05:06:51,806 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 215 transitions, 453 flow [2024-11-28 05:06:51,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 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) [2024-11-28 05:06:51,807 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:06:51,807 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:06:51,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:06:51,808 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-28 05:06:51,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:51,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1741415276, now seen corresponding path program 1 times [2024-11-28 05:06:51,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:51,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777413925] [2024-11-28 05:06:51,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:51,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:51,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:51,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:51,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777413925] [2024-11-28 05:06:51,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777413925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:06:51,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:06:51,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:06:51,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678066253] [2024-11-28 05:06:51,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:06:51,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:06:51,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:51,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:06:51,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:06:51,935 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 242 [2024-11-28 05:06:51,936 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 215 transitions, 453 flow. Second operand has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 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) [2024-11-28 05:06:51,937 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:06:51,937 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 242 [2024-11-28 05:06:51,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:06:52,373 INFO L124 PetriNetUnfolderBase]: 232/1654 cut-off events. [2024-11-28 05:06:52,373 INFO L125 PetriNetUnfolderBase]: For 154/458 co-relation queries the response was YES. [2024-11-28 05:06:52,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2183 conditions, 1654 events. 232/1654 cut-off events. For 154/458 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 10762 event pairs, 52 based on Foata normal form. 19/1466 useless extension candidates. Maximal degree in co-relation 1088. Up to 355 conditions per place. [2024-11-28 05:06:52,384 INFO L140 encePairwiseOnDemand]: 230/242 looper letters, 15 selfloop transitions, 1 changer transitions 24/219 dead transitions. [2024-11-28 05:06:52,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 219 transitions, 527 flow [2024-11-28 05:06:52,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:06:52,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:06:52,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 630 transitions. [2024-11-28 05:06:52,388 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8677685950413223 [2024-11-28 05:06:52,388 INFO L175 Difference]: Start difference. First operand has 217 places, 215 transitions, 453 flow. Second operand 3 states and 630 transitions. [2024-11-28 05:06:52,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 219 transitions, 527 flow [2024-11-28 05:06:52,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 219 transitions, 526 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 05:06:52,397 INFO L231 Difference]: Finished difference. Result has 212 places, 191 transitions, 406 flow [2024-11-28 05:06:52,401 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=406, PETRI_PLACES=212, PETRI_TRANSITIONS=191} [2024-11-28 05:06:52,402 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -18 predicate places. [2024-11-28 05:06:52,403 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 191 transitions, 406 flow [2024-11-28 05:06:52,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 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) [2024-11-28 05:06:52,404 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:06:52,404 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:06:52,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:06:52,405 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-28 05:06:52,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:52,406 INFO L85 PathProgramCache]: Analyzing trace with hash -710082850, now seen corresponding path program 1 times [2024-11-28 05:06:52,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:52,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971661260] [2024-11-28 05:06:52,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:52,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:52,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:52,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:52,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971661260] [2024-11-28 05:06:52,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971661260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:06:52,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:06:52,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:06:52,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707788998] [2024-11-28 05:06:52,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:06:52,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:06:52,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:52,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:06:52,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:06:52,554 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 242 [2024-11-28 05:06:52,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 191 transitions, 406 flow. Second operand has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:06:52,556 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:06:52,556 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 242 [2024-11-28 05:06:52,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:06:52,918 INFO L124 PetriNetUnfolderBase]: 184/1551 cut-off events. [2024-11-28 05:06:52,919 INFO L125 PetriNetUnfolderBase]: For 112/216 co-relation queries the response was YES. [2024-11-28 05:06:52,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2020 conditions, 1551 events. 184/1551 cut-off events. For 112/216 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 10269 event pairs, 156 based on Foata normal form. 0/1351 useless extension candidates. Maximal degree in co-relation 1839. Up to 362 conditions per place. [2024-11-28 05:06:52,927 INFO L140 encePairwiseOnDemand]: 236/242 looper letters, 18 selfloop transitions, 2 changer transitions 0/188 dead transitions. [2024-11-28 05:06:52,927 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 188 transitions, 440 flow [2024-11-28 05:06:52,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:06:52,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:06:52,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 633 transitions. [2024-11-28 05:06:52,931 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.871900826446281 [2024-11-28 05:06:52,932 INFO L175 Difference]: Start difference. First operand has 212 places, 191 transitions, 406 flow. Second operand 3 states and 633 transitions. [2024-11-28 05:06:52,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 188 transitions, 440 flow [2024-11-28 05:06:52,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 188 transitions, 439 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 05:06:52,947 INFO L231 Difference]: Finished difference. Result has 192 places, 188 transitions, 407 flow [2024-11-28 05:06:52,950 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=407, PETRI_PLACES=192, PETRI_TRANSITIONS=188} [2024-11-28 05:06:52,952 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -38 predicate places. [2024-11-28 05:06:52,953 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 188 transitions, 407 flow [2024-11-28 05:06:52,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:06:52,954 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:06:52,954 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:06:52,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:06:52,955 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-28 05:06:52,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:52,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1136030203, now seen corresponding path program 1 times [2024-11-28 05:06:52,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:52,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427822687] [2024-11-28 05:06:52,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:52,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:53,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:53,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:53,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427822687] [2024-11-28 05:06:53,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427822687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:06:53,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:06:53,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:06:53,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172293292] [2024-11-28 05:06:53,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:06:53,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:06:53,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:53,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:06:53,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:06:53,117 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 242 [2024-11-28 05:06:53,119 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 188 transitions, 407 flow. Second operand has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 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) [2024-11-28 05:06:53,119 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:06:53,119 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 242 [2024-11-28 05:06:53,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:06:53,413 INFO L124 PetriNetUnfolderBase]: 124/1330 cut-off events. [2024-11-28 05:06:53,413 INFO L125 PetriNetUnfolderBase]: For 112/216 co-relation queries the response was YES. [2024-11-28 05:06:53,417 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1681 conditions, 1330 events. 124/1330 cut-off events. For 112/216 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 8372 event pairs, 96 based on Foata normal form. 0/1141 useless extension candidates. Maximal degree in co-relation 840. Up to 250 conditions per place. [2024-11-28 05:06:53,421 INFO L140 encePairwiseOnDemand]: 239/242 looper letters, 17 selfloop transitions, 2 changer transitions 3/187 dead transitions. [2024-11-28 05:06:53,421 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 187 transitions, 445 flow [2024-11-28 05:06:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:06:53,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:06:53,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2024-11-28 05:06:53,427 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8760330578512396 [2024-11-28 05:06:53,427 INFO L175 Difference]: Start difference. First operand has 192 places, 188 transitions, 407 flow. Second operand 3 states and 636 transitions. [2024-11-28 05:06:53,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 187 transitions, 445 flow [2024-11-28 05:06:53,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 187 transitions, 445 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 05:06:53,432 INFO L231 Difference]: Finished difference. Result has 193 places, 184 transitions, 403 flow [2024-11-28 05:06:53,432 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=403, PETRI_PLACES=193, PETRI_TRANSITIONS=184} [2024-11-28 05:06:53,433 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -37 predicate places. [2024-11-28 05:06:53,433 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 184 transitions, 403 flow [2024-11-28 05:06:53,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 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) [2024-11-28 05:06:53,434 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:06:53,435 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:06:53,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:06:53,435 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-28 05:06:53,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:53,436 INFO L85 PathProgramCache]: Analyzing trace with hash -47007993, now seen corresponding path program 1 times [2024-11-28 05:06:53,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:53,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633157568] [2024-11-28 05:06:53,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:53,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:53,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:53,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:53,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633157568] [2024-11-28 05:06:53,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633157568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:06:53,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:06:53,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:06:53,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12150686] [2024-11-28 05:06:53,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:06:53,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:06:53,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:53,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:06:53,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:06:53,593 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 242 [2024-11-28 05:06:53,595 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 184 transitions, 403 flow. Second operand has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 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) [2024-11-28 05:06:53,595 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:06:53,595 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 242 [2024-11-28 05:06:53,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:06:53,930 INFO L124 PetriNetUnfolderBase]: 60/1177 cut-off events. [2024-11-28 05:06:53,930 INFO L125 PetriNetUnfolderBase]: For 130/306 co-relation queries the response was YES. [2024-11-28 05:06:53,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1370 conditions, 1177 events. 60/1177 cut-off events. For 130/306 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 6848 event pairs, 28 based on Foata normal form. 0/1033 useless extension candidates. Maximal degree in co-relation 684. Up to 51 conditions per place. [2024-11-28 05:06:53,939 INFO L140 encePairwiseOnDemand]: 240/242 looper letters, 21 selfloop transitions, 1 changer transitions 0/193 dead transitions. [2024-11-28 05:06:53,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 193 transitions, 483 flow [2024-11-28 05:06:53,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:06:53,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:06:53,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 662 transitions. [2024-11-28 05:06:53,945 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9118457300275482 [2024-11-28 05:06:53,945 INFO L175 Difference]: Start difference. First operand has 193 places, 184 transitions, 403 flow. Second operand 3 states and 662 transitions. [2024-11-28 05:06:53,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 193 transitions, 483 flow [2024-11-28 05:06:53,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 193 transitions, 479 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:06:53,953 INFO L231 Difference]: Finished difference. Result has 189 places, 183 transitions, 399 flow [2024-11-28 05:06:53,954 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=399, PETRI_PLACES=189, PETRI_TRANSITIONS=183} [2024-11-28 05:06:53,957 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -41 predicate places. [2024-11-28 05:06:53,957 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 183 transitions, 399 flow [2024-11-28 05:06:53,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 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) [2024-11-28 05:06:53,958 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:06:53,958 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:06:53,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 05:06:53,958 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-28 05:06:53,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:53,960 INFO L85 PathProgramCache]: Analyzing trace with hash -624096762, now seen corresponding path program 1 times [2024-11-28 05:06:53,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:53,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218671907] [2024-11-28 05:06:53,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:53,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:54,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:54,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:54,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218671907] [2024-11-28 05:06:54,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218671907] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:06:54,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:06:54,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:06:54,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340643867] [2024-11-28 05:06:54,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:06:54,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:06:54,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:54,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:06:54,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:06:54,117 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 242 [2024-11-28 05:06:54,119 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 183 transitions, 399 flow. Second operand has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 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) [2024-11-28 05:06:54,119 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:06:54,119 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 242 [2024-11-28 05:06:54,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:06:54,392 INFO L124 PetriNetUnfolderBase]: 120/1268 cut-off events. [2024-11-28 05:06:54,392 INFO L125 PetriNetUnfolderBase]: For 118/222 co-relation queries the response was YES. [2024-11-28 05:06:54,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1605 conditions, 1268 events. 120/1268 cut-off events. For 118/222 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 7937 event pairs, 92 based on Foata normal form. 0/1085 useless extension candidates. Maximal degree in co-relation 808. Up to 234 conditions per place. [2024-11-28 05:06:54,399 INFO L140 encePairwiseOnDemand]: 239/242 looper letters, 18 selfloop transitions, 2 changer transitions 0/182 dead transitions. [2024-11-28 05:06:54,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 182 transitions, 437 flow [2024-11-28 05:06:54,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:06:54,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:06:54,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 635 transitions. [2024-11-28 05:06:54,402 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8746556473829201 [2024-11-28 05:06:54,402 INFO L175 Difference]: Start difference. First operand has 189 places, 183 transitions, 399 flow. Second operand 3 states and 635 transitions. [2024-11-28 05:06:54,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 182 transitions, 437 flow [2024-11-28 05:06:54,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 182 transitions, 436 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 05:06:54,407 INFO L231 Difference]: Finished difference. Result has 189 places, 182 transitions, 400 flow [2024-11-28 05:06:54,408 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=400, PETRI_PLACES=189, PETRI_TRANSITIONS=182} [2024-11-28 05:06:54,408 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -41 predicate places. [2024-11-28 05:06:54,409 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 182 transitions, 400 flow [2024-11-28 05:06:54,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 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) [2024-11-28 05:06:54,409 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:06:54,409 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:06:54,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 05:06:54,410 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-28 05:06:54,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:54,411 INFO L85 PathProgramCache]: Analyzing trace with hash 71467136, now seen corresponding path program 1 times [2024-11-28 05:06:54,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:54,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117461482] [2024-11-28 05:06:54,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:54,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:54,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:54,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:54,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117461482] [2024-11-28 05:06:54,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117461482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:06:54,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:06:54,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:06:54,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921763646] [2024-11-28 05:06:54,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:06:54,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:06:54,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:54,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:06:54,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:06:54,503 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 242 [2024-11-28 05:06:54,504 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 182 transitions, 400 flow. Second operand has 3 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 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) [2024-11-28 05:06:54,504 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:06:54,504 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 242 [2024-11-28 05:06:54,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:06:54,723 INFO L124 PetriNetUnfolderBase]: 58/1164 cut-off events. [2024-11-28 05:06:54,724 INFO L125 PetriNetUnfolderBase]: For 130/306 co-relation queries the response was YES. [2024-11-28 05:06:54,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1365 conditions, 1164 events. 58/1164 cut-off events. For 130/306 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 6776 event pairs, 28 based on Foata normal form. 2/1023 useless extension candidates. Maximal degree in co-relation 695. Up to 110 conditions per place. [2024-11-28 05:06:54,730 INFO L140 encePairwiseOnDemand]: 240/242 looper letters, 16 selfloop transitions, 0 changer transitions 1/181 dead transitions. [2024-11-28 05:06:54,730 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 181 transitions, 429 flow [2024-11-28 05:06:54,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:06:54,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:06:54,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2024-11-28 05:06:54,733 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8760330578512396 [2024-11-28 05:06:54,733 INFO L175 Difference]: Start difference. First operand has 189 places, 182 transitions, 400 flow. Second operand 3 states and 636 transitions. [2024-11-28 05:06:54,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 181 transitions, 429 flow [2024-11-28 05:06:54,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 181 transitions, 421 flow, removed 1 selfloop flow, removed 4 redundant places. [2024-11-28 05:06:54,741 INFO L231 Difference]: Finished difference. Result has 188 places, 180 transitions, 387 flow [2024-11-28 05:06:54,741 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=387, PETRI_PLACES=188, PETRI_TRANSITIONS=180} [2024-11-28 05:06:54,742 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -42 predicate places. [2024-11-28 05:06:54,742 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 180 transitions, 387 flow [2024-11-28 05:06:54,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 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) [2024-11-28 05:06:54,743 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:06:54,743 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:06:54,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 05:06:54,743 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-28 05:06:54,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:54,748 INFO L85 PathProgramCache]: Analyzing trace with hash -554311253, now seen corresponding path program 1 times [2024-11-28 05:06:54,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:54,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383630820] [2024-11-28 05:06:54,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:54,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:55,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:55,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:55,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383630820] [2024-11-28 05:06:55,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383630820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:06:55,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:06:55,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:06:55,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954524931] [2024-11-28 05:06:55,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:06:55,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:06:55,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:55,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:06:55,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:06:56,052 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 242 [2024-11-28 05:06:56,054 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 180 transitions, 387 flow. Second operand has 6 states, 6 states have (on average 182.66666666666666) internal successors, (1096), 6 states have internal predecessors, (1096), 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) [2024-11-28 05:06:56,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:06:56,055 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 242 [2024-11-28 05:06:56,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:06:56,745 INFO L124 PetriNetUnfolderBase]: 652/3388 cut-off events. [2024-11-28 05:06:56,745 INFO L125 PetriNetUnfolderBase]: For 96/106 co-relation queries the response was YES. [2024-11-28 05:06:56,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4910 conditions, 3388 events. 652/3388 cut-off events. For 96/106 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 28250 event pairs, 296 based on Foata normal form. 0/3005 useless extension candidates. Maximal degree in co-relation 4904. Up to 1255 conditions per place. [2024-11-28 05:06:56,768 INFO L140 encePairwiseOnDemand]: 236/242 looper letters, 44 selfloop transitions, 5 changer transitions 4/187 dead transitions. [2024-11-28 05:06:56,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 187 transitions, 501 flow [2024-11-28 05:06:56,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:06:56,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 05:06:56,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1137 transitions. [2024-11-28 05:06:56,773 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7830578512396694 [2024-11-28 05:06:56,774 INFO L175 Difference]: Start difference. First operand has 188 places, 180 transitions, 387 flow. Second operand 6 states and 1137 transitions. [2024-11-28 05:06:56,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 187 transitions, 501 flow [2024-11-28 05:06:56,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 187 transitions, 499 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-28 05:06:56,780 INFO L231 Difference]: Finished difference. Result has 190 places, 175 transitions, 385 flow [2024-11-28 05:06:56,780 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=385, PETRI_PLACES=190, PETRI_TRANSITIONS=175} [2024-11-28 05:06:56,782 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -40 predicate places. [2024-11-28 05:06:56,782 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 175 transitions, 385 flow [2024-11-28 05:06:56,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 182.66666666666666) internal successors, (1096), 6 states have internal predecessors, (1096), 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) [2024-11-28 05:06:56,784 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:06:56,784 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:06:56,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 05:06:56,784 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-28 05:06:56,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:56,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1071904762, now seen corresponding path program 1 times [2024-11-28 05:06:56,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:56,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117457899] [2024-11-28 05:06:56,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:56,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:56,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:56,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:56,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117457899] [2024-11-28 05:06:56,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117457899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:06:56,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:06:56,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:06:56,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353936274] [2024-11-28 05:06:56,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:06:56,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:06:56,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:56,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:06:56,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:06:57,236 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 242 [2024-11-28 05:06:57,238 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 175 transitions, 385 flow. Second operand has 4 states, 4 states have (on average 202.5) internal successors, (810), 4 states have internal predecessors, (810), 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) [2024-11-28 05:06:57,238 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:06:57,238 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 242 [2024-11-28 05:06:57,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:06:57,556 INFO L124 PetriNetUnfolderBase]: 159/1449 cut-off events. [2024-11-28 05:06:57,556 INFO L125 PetriNetUnfolderBase]: For 90/192 co-relation queries the response was YES. [2024-11-28 05:06:57,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1906 conditions, 1449 events. 159/1449 cut-off events. For 90/192 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 9758 event pairs, 120 based on Foata normal form. 11/1288 useless extension candidates. Maximal degree in co-relation 1900. Up to 209 conditions per place. [2024-11-28 05:06:57,565 INFO L140 encePairwiseOnDemand]: 230/242 looper letters, 42 selfloop transitions, 10 changer transitions 0/203 dead transitions. [2024-11-28 05:06:57,566 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 203 transitions, 569 flow [2024-11-28 05:06:57,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:06:57,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 05:06:57,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 858 transitions. [2024-11-28 05:06:57,569 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8863636363636364 [2024-11-28 05:06:57,569 INFO L175 Difference]: Start difference. First operand has 190 places, 175 transitions, 385 flow. Second operand 4 states and 858 transitions. [2024-11-28 05:06:57,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 203 transitions, 569 flow [2024-11-28 05:06:57,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 203 transitions, 559 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 05:06:57,575 INFO L231 Difference]: Finished difference. Result has 186 places, 183 transitions, 449 flow [2024-11-28 05:06:57,575 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=449, PETRI_PLACES=186, PETRI_TRANSITIONS=183} [2024-11-28 05:06:57,576 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -44 predicate places. [2024-11-28 05:06:57,576 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 183 transitions, 449 flow [2024-11-28 05:06:57,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 202.5) internal successors, (810), 4 states have internal predecessors, (810), 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) [2024-11-28 05:06:57,577 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:06:57,578 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:06:57,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 05:06:57,578 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-11-28 05:06:57,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:57,579 INFO L85 PathProgramCache]: Analyzing trace with hash 180182476, now seen corresponding path program 1 times [2024-11-28 05:06:57,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:57,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638016809] [2024-11-28 05:06:57,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:57,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:06:57,626 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:06:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:06:57,686 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 05:06:57,686 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 05:06:57,688 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 33 remaining) [2024-11-28 05:06:57,690 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2024-11-28 05:06:57,690 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2024-11-28 05:06:57,690 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2024-11-28 05:06:57,690 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (28 of 33 remaining) [2024-11-28 05:06:57,690 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2024-11-28 05:06:57,690 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 33 remaining) [2024-11-28 05:06:57,691 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2024-11-28 05:06:57,691 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2024-11-28 05:06:57,691 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2024-11-28 05:06:57,691 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2024-11-28 05:06:57,691 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2024-11-28 05:06:57,691 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2024-11-28 05:06:57,691 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (19 of 33 remaining) [2024-11-28 05:06:57,691 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2024-11-28 05:06:57,691 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2024-11-28 05:06:57,691 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (16 of 33 remaining) [2024-11-28 05:06:57,691 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (15 of 33 remaining) [2024-11-28 05:06:57,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (14 of 33 remaining) [2024-11-28 05:06:57,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (13 of 33 remaining) [2024-11-28 05:06:57,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (12 of 33 remaining) [2024-11-28 05:06:57,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (11 of 33 remaining) [2024-11-28 05:06:57,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2024-11-28 05:06:57,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2024-11-28 05:06:57,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2024-11-28 05:06:57,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2024-11-28 05:06:57,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2024-11-28 05:06:57,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 33 remaining) [2024-11-28 05:06:57,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2024-11-28 05:06:57,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2024-11-28 05:06:57,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2024-11-28 05:06:57,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2024-11-28 05:06:57,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2024-11-28 05:06:57,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 05:06:57,694 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:06:57,699 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-28 05:06:57,699 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-28 05:06:57,764 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-11-28 05:06:57,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 258 places, 271 transitions, 586 flow [2024-11-28 05:06:58,032 INFO L124 PetriNetUnfolderBase]: 149/1607 cut-off events. [2024-11-28 05:06:58,032 INFO L125 PetriNetUnfolderBase]: For 72/72 co-relation queries the response was YES. [2024-11-28 05:06:58,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1696 conditions, 1607 events. 149/1607 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 9320 event pairs, 1 based on Foata normal form. 0/1314 useless extension candidates. Maximal degree in co-relation 931. Up to 32 conditions per place. [2024-11-28 05:06:58,041 INFO L82 GeneralOperation]: Start removeDead. Operand has 258 places, 271 transitions, 586 flow [2024-11-28 05:06:58,056 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 258 places, 271 transitions, 586 flow [2024-11-28 05:06:58,057 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:06:58,059 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;@40967387, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:06:58,059 INFO L334 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2024-11-28 05:06:58,062 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 05:06:58,062 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2024-11-28 05:06:58,062 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 05:06:58,063 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:06:58,063 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:06:58,063 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-28 05:06:58,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:58,064 INFO L85 PathProgramCache]: Analyzing trace with hash 102067803, now seen corresponding path program 1 times [2024-11-28 05:06:58,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:58,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826938268] [2024-11-28 05:06:58,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:58,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:58,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:58,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:58,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826938268] [2024-11-28 05:06:58,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826938268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:06:58,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:06:58,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:06:58,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465168558] [2024-11-28 05:06:58,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:06:58,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:06:58,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:58,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:06:58,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:06:58,133 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 271 [2024-11-28 05:06:58,135 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 271 transitions, 586 flow. Second operand has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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) [2024-11-28 05:06:58,135 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:06:58,135 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 271 [2024-11-28 05:06:58,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:07:00,298 INFO L124 PetriNetUnfolderBase]: 2218/9953 cut-off events. [2024-11-28 05:07:00,299 INFO L125 PetriNetUnfolderBase]: For 2105/5174 co-relation queries the response was YES. [2024-11-28 05:07:00,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13940 conditions, 9953 events. 2218/9953 cut-off events. For 2105/5174 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 103502 event pairs, 1905 based on Foata normal form. 879/9106 useless extension candidates. Maximal degree in co-relation 9049. Up to 3249 conditions per place. [2024-11-28 05:07:00,405 INFO L140 encePairwiseOnDemand]: 246/271 looper letters, 28 selfloop transitions, 1 changer transitions 4/245 dead transitions. [2024-11-28 05:07:00,406 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 245 transitions, 592 flow [2024-11-28 05:07:00,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:07:00,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:07:00,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 701 transitions. [2024-11-28 05:07:00,409 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8622386223862238 [2024-11-28 05:07:00,409 INFO L175 Difference]: Start difference. First operand has 258 places, 271 transitions, 586 flow. Second operand 3 states and 701 transitions. [2024-11-28 05:07:00,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 245 transitions, 592 flow [2024-11-28 05:07:00,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 245 transitions, 592 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 05:07:00,421 INFO L231 Difference]: Finished difference. Result has 246 places, 241 transitions, 528 flow [2024-11-28 05:07:00,421 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=528, PETRI_PLACES=246, PETRI_TRANSITIONS=241} [2024-11-28 05:07:00,422 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -12 predicate places. [2024-11-28 05:07:00,422 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 241 transitions, 528 flow [2024-11-28 05:07:00,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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) [2024-11-28 05:07:00,423 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:07:00,423 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:00,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 05:07:00,423 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-28 05:07:00,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:00,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1130888205, now seen corresponding path program 1 times [2024-11-28 05:07:00,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:00,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242372072] [2024-11-28 05:07:00,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:00,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:00,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:07:00,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:00,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242372072] [2024-11-28 05:07:00,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242372072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:00,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:00,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:07:00,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256066090] [2024-11-28 05:07:00,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:00,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:07:00,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:00,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:07:00,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:00,557 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 271 [2024-11-28 05:07:00,558 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 241 transitions, 528 flow. Second operand has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 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) [2024-11-28 05:07:00,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:07:00,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 271 [2024-11-28 05:07:00,559 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:07:04,602 INFO L124 PetriNetUnfolderBase]: 2492/17389 cut-off events. [2024-11-28 05:07:04,603 INFO L125 PetriNetUnfolderBase]: For 4748/26624 co-relation queries the response was YES. [2024-11-28 05:07:04,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22356 conditions, 17389 events. 2492/17389 cut-off events. For 4748/26624 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 215856 event pairs, 1706 based on Foata normal form. 0/14144 useless extension candidates. Maximal degree in co-relation 11147. Up to 1670 conditions per place. [2024-11-28 05:07:04,798 INFO L140 encePairwiseOnDemand]: 269/271 looper letters, 41 selfloop transitions, 1 changer transitions 0/260 dead transitions. [2024-11-28 05:07:04,798 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 260 transitions, 690 flow [2024-11-28 05:07:04,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:07:04,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:07:04,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 721 transitions. [2024-11-28 05:07:04,802 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8868388683886839 [2024-11-28 05:07:04,802 INFO L175 Difference]: Start difference. First operand has 246 places, 241 transitions, 528 flow. Second operand 3 states and 721 transitions. [2024-11-28 05:07:04,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 260 transitions, 690 flow [2024-11-28 05:07:04,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 260 transitions, 689 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 05:07:04,814 INFO L231 Difference]: Finished difference. Result has 242 places, 240 transitions, 527 flow [2024-11-28 05:07:04,814 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=525, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=527, PETRI_PLACES=242, PETRI_TRANSITIONS=240} [2024-11-28 05:07:04,816 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -16 predicate places. [2024-11-28 05:07:04,817 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 240 transitions, 527 flow [2024-11-28 05:07:04,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 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) [2024-11-28 05:07:04,818 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:07:04,818 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:04,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 05:07:04,818 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-28 05:07:04,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:04,821 INFO L85 PathProgramCache]: Analyzing trace with hash -697926324, now seen corresponding path program 1 times [2024-11-28 05:07:04,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:04,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627380275] [2024-11-28 05:07:04,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:04,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:04,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:07:04,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:04,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627380275] [2024-11-28 05:07:04,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627380275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:04,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:04,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:07:04,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850975976] [2024-11-28 05:07:04,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:04,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:07:04,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:04,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:07:04,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:04,919 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 271 [2024-11-28 05:07:04,920 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 240 transitions, 527 flow. Second operand has 3 states, 3 states have (on average 208.66666666666666) internal successors, (626), 3 states have internal predecessors, (626), 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) [2024-11-28 05:07:04,920 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:07:04,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 271 [2024-11-28 05:07:04,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:07:11,277 INFO L124 PetriNetUnfolderBase]: 14770/40622 cut-off events. [2024-11-28 05:07:11,278 INFO L125 PetriNetUnfolderBase]: For 8274/46430 co-relation queries the response was YES. [2024-11-28 05:07:11,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64561 conditions, 40622 events. 14770/40622 cut-off events. For 8274/46430 co-relation queries the response was YES. Maximal size of possible extension queue 1066. Compared 463105 event pairs, 4272 based on Foata normal form. 121/35648 useless extension candidates. Maximal degree in co-relation 32276. Up to 17809 conditions per place. [2024-11-28 05:07:11,515 INFO L140 encePairwiseOnDemand]: 257/271 looper letters, 41 selfloop transitions, 2 changer transitions 18/255 dead transitions. [2024-11-28 05:07:11,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 255 transitions, 696 flow [2024-11-28 05:07:11,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:07:11,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:07:11,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 686 transitions. [2024-11-28 05:07:11,518 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8437884378843789 [2024-11-28 05:07:11,518 INFO L175 Difference]: Start difference. First operand has 242 places, 240 transitions, 527 flow. Second operand 3 states and 686 transitions. [2024-11-28 05:07:11,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 255 transitions, 696 flow [2024-11-28 05:07:11,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 255 transitions, 695 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 05:07:11,529 INFO L231 Difference]: Finished difference. Result has 237 places, 220 transitions, 496 flow [2024-11-28 05:07:11,530 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=496, PETRI_PLACES=237, PETRI_TRANSITIONS=220} [2024-11-28 05:07:11,530 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -21 predicate places. [2024-11-28 05:07:11,531 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 220 transitions, 496 flow [2024-11-28 05:07:11,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.66666666666666) internal successors, (626), 3 states have internal predecessors, (626), 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) [2024-11-28 05:07:11,532 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:07:11,532 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:11,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 05:07:11,532 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-28 05:07:11,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:11,532 INFO L85 PathProgramCache]: Analyzing trace with hash 134791774, now seen corresponding path program 1 times [2024-11-28 05:07:11,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:11,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438040171] [2024-11-28 05:07:11,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:11,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:11,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:07:11,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:11,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438040171] [2024-11-28 05:07:11,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438040171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:11,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:11,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:07:11,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268597056] [2024-11-28 05:07:11,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:11,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:07:11,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:11,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:07:11,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:11,592 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 271 [2024-11-28 05:07:11,593 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 220 transitions, 496 flow. Second operand has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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) [2024-11-28 05:07:11,593 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:07:11,593 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 271 [2024-11-28 05:07:11,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:07:15,245 INFO L124 PetriNetUnfolderBase]: 6096/21809 cut-off events. [2024-11-28 05:07:15,246 INFO L125 PetriNetUnfolderBase]: For 4256/10796 co-relation queries the response was YES. [2024-11-28 05:07:15,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33778 conditions, 21809 events. 6096/21809 cut-off events. For 4256/10796 co-relation queries the response was YES. Maximal size of possible extension queue 504. Compared 243860 event pairs, 5210 based on Foata normal form. 0/19055 useless extension candidates. Maximal degree in co-relation 28671. Up to 8524 conditions per place. [2024-11-28 05:07:15,371 INFO L140 encePairwiseOnDemand]: 265/271 looper letters, 28 selfloop transitions, 2 changer transitions 0/217 dead transitions. [2024-11-28 05:07:15,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 217 transitions, 550 flow [2024-11-28 05:07:15,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:07:15,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:07:15,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 682 transitions. [2024-11-28 05:07:15,374 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8388683886838868 [2024-11-28 05:07:15,374 INFO L175 Difference]: Start difference. First operand has 237 places, 220 transitions, 496 flow. Second operand 3 states and 682 transitions. [2024-11-28 05:07:15,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 217 transitions, 550 flow [2024-11-28 05:07:15,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 217 transitions, 550 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 05:07:15,384 INFO L231 Difference]: Finished difference. Result has 221 places, 217 transitions, 498 flow [2024-11-28 05:07:15,384 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=498, PETRI_PLACES=221, PETRI_TRANSITIONS=217} [2024-11-28 05:07:15,385 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -37 predicate places. [2024-11-28 05:07:15,385 INFO L471 AbstractCegarLoop]: Abstraction has has 221 places, 217 transitions, 498 flow [2024-11-28 05:07:15,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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) [2024-11-28 05:07:15,386 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:07:15,386 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:15,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 05:07:15,387 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-28 05:07:15,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:15,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1311733531, now seen corresponding path program 1 times [2024-11-28 05:07:15,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:15,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050989965] [2024-11-28 05:07:15,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:15,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:15,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:07:15,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:15,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050989965] [2024-11-28 05:07:15,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050989965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:15,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:15,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:07:15,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256855901] [2024-11-28 05:07:15,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:15,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:07:15,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:15,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:07:15,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:15,465 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 271 [2024-11-28 05:07:15,467 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 217 transitions, 498 flow. Second operand has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 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) [2024-11-28 05:07:15,467 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:07:15,467 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 271 [2024-11-28 05:07:15,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:07:18,473 INFO L124 PetriNetUnfolderBase]: 4656/18252 cut-off events. [2024-11-28 05:07:18,473 INFO L125 PetriNetUnfolderBase]: For 4254/12402 co-relation queries the response was YES. [2024-11-28 05:07:18,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27758 conditions, 18252 events. 4656/18252 cut-off events. For 4254/12402 co-relation queries the response was YES. Maximal size of possible extension queue 558. Compared 205409 event pairs, 3782 based on Foata normal form. 0/15259 useless extension candidates. Maximal degree in co-relation 24022. Up to 6578 conditions per place. [2024-11-28 05:07:18,575 INFO L140 encePairwiseOnDemand]: 268/271 looper letters, 28 selfloop transitions, 2 changer transitions 2/216 dead transitions. [2024-11-28 05:07:18,575 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 216 transitions, 556 flow [2024-11-28 05:07:18,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:07:18,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:07:18,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 685 transitions. [2024-11-28 05:07:18,578 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8425584255842559 [2024-11-28 05:07:18,578 INFO L175 Difference]: Start difference. First operand has 221 places, 217 transitions, 498 flow. Second operand 3 states and 685 transitions. [2024-11-28 05:07:18,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 216 transitions, 556 flow [2024-11-28 05:07:18,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 216 transitions, 556 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 05:07:18,587 INFO L231 Difference]: Finished difference. Result has 222 places, 214 transitions, 496 flow [2024-11-28 05:07:18,587 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=496, PETRI_PLACES=222, PETRI_TRANSITIONS=214} [2024-11-28 05:07:18,588 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -36 predicate places. [2024-11-28 05:07:18,588 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 214 transitions, 496 flow [2024-11-28 05:07:18,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 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) [2024-11-28 05:07:18,589 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:07:18,589 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:18,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 05:07:18,590 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-28 05:07:18,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:18,590 INFO L85 PathProgramCache]: Analyzing trace with hash 2133856519, now seen corresponding path program 1 times [2024-11-28 05:07:18,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:18,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013402157] [2024-11-28 05:07:18,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:18,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:18,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:07:18,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:18,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013402157] [2024-11-28 05:07:18,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013402157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:18,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:18,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:07:18,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481250230] [2024-11-28 05:07:18,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:18,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:07:18,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:18,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:07:18,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:18,657 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 271 [2024-11-28 05:07:18,658 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 214 transitions, 496 flow. Second operand has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 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) [2024-11-28 05:07:18,659 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:07:18,659 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 271 [2024-11-28 05:07:18,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:07:21,167 INFO L124 PetriNetUnfolderBase]: 2546/15313 cut-off events. [2024-11-28 05:07:21,167 INFO L125 PetriNetUnfolderBase]: For 4748/26624 co-relation queries the response was YES. [2024-11-28 05:07:21,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20987 conditions, 15313 events. 2546/15313 cut-off events. For 4748/26624 co-relation queries the response was YES. Maximal size of possible extension queue 412. Compared 181117 event pairs, 1706 based on Foata normal form. 0/12925 useless extension candidates. Maximal degree in co-relation 19194. Up to 1670 conditions per place. [2024-11-28 05:07:21,485 INFO L140 encePairwiseOnDemand]: 269/271 looper letters, 41 selfloop transitions, 1 changer transitions 0/233 dead transitions. [2024-11-28 05:07:21,485 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 233 transitions, 658 flow [2024-11-28 05:07:21,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:07:21,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:07:21,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 721 transitions. [2024-11-28 05:07:21,488 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8868388683886839 [2024-11-28 05:07:21,488 INFO L175 Difference]: Start difference. First operand has 222 places, 214 transitions, 496 flow. Second operand 3 states and 721 transitions. [2024-11-28 05:07:21,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 233 transitions, 658 flow [2024-11-28 05:07:21,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 233 transitions, 654 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:07:21,498 INFO L231 Difference]: Finished difference. Result has 219 places, 213 transitions, 492 flow [2024-11-28 05:07:21,499 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=492, PETRI_PLACES=219, PETRI_TRANSITIONS=213} [2024-11-28 05:07:21,500 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -39 predicate places. [2024-11-28 05:07:21,500 INFO L471 AbstractCegarLoop]: Abstraction has has 219 places, 213 transitions, 492 flow [2024-11-28 05:07:21,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 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) [2024-11-28 05:07:21,501 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:07:21,501 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:21,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 05:07:21,501 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-28 05:07:21,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:21,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1302004269, now seen corresponding path program 1 times [2024-11-28 05:07:21,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:21,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210590308] [2024-11-28 05:07:21,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:21,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:21,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:07:21,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:21,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210590308] [2024-11-28 05:07:21,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210590308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:21,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:21,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:07:21,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828364995] [2024-11-28 05:07:21,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:21,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:07:21,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:21,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:07:21,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:21,592 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 271 [2024-11-28 05:07:21,593 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 213 transitions, 492 flow. Second operand has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 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) [2024-11-28 05:07:21,593 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:07:21,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 271 [2024-11-28 05:07:21,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:07:24,758 INFO L124 PetriNetUnfolderBase]: 5342/19618 cut-off events. [2024-11-28 05:07:24,758 INFO L125 PetriNetUnfolderBase]: For 4260/12460 co-relation queries the response was YES. [2024-11-28 05:07:24,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30270 conditions, 19618 events. 5342/19618 cut-off events. For 4260/12460 co-relation queries the response was YES. Maximal size of possible extension queue 594. Compared 222308 event pairs, 4482 based on Foata normal form. 0/16493 useless extension candidates. Maximal degree in co-relation 25847. Up to 7458 conditions per place. [2024-11-28 05:07:24,870 INFO L140 encePairwiseOnDemand]: 268/271 looper letters, 29 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2024-11-28 05:07:24,870 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 212 transitions, 552 flow [2024-11-28 05:07:24,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:07:24,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:07:24,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 685 transitions. [2024-11-28 05:07:24,873 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8425584255842559 [2024-11-28 05:07:24,873 INFO L175 Difference]: Start difference. First operand has 219 places, 213 transitions, 492 flow. Second operand 3 states and 685 transitions. [2024-11-28 05:07:24,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 212 transitions, 552 flow [2024-11-28 05:07:24,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 212 transitions, 551 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 05:07:24,883 INFO L231 Difference]: Finished difference. Result has 219 places, 212 transitions, 493 flow [2024-11-28 05:07:24,883 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=489, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=493, PETRI_PLACES=219, PETRI_TRANSITIONS=212} [2024-11-28 05:07:24,884 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -39 predicate places. [2024-11-28 05:07:24,884 INFO L471 AbstractCegarLoop]: Abstraction has has 219 places, 212 transitions, 493 flow [2024-11-28 05:07:24,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 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) [2024-11-28 05:07:24,885 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:07:24,885 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:24,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 05:07:24,886 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-28 05:07:24,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:24,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1334465389, now seen corresponding path program 1 times [2024-11-28 05:07:24,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:24,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735119612] [2024-11-28 05:07:24,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:24,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:24,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:07:24,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:24,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735119612] [2024-11-28 05:07:24,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735119612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:24,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:24,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:07:24,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420190312] [2024-11-28 05:07:24,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:24,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:07:24,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:24,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:07:24,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:24,950 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 271 [2024-11-28 05:07:24,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 212 transitions, 493 flow. Second operand has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 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) [2024-11-28 05:07:24,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:07:24,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 271 [2024-11-28 05:07:24,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:07:27,516 INFO L124 PetriNetUnfolderBase]: 3752/18416 cut-off events. [2024-11-28 05:07:27,516 INFO L125 PetriNetUnfolderBase]: For 4748/26624 co-relation queries the response was YES. [2024-11-28 05:07:27,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26174 conditions, 18416 events. 3752/18416 cut-off events. For 4748/26624 co-relation queries the response was YES. Maximal size of possible extension queue 542. Compared 217915 event pairs, 2730 based on Foata normal form. 2/15381 useless extension candidates. Maximal degree in co-relation 23379. Up to 5036 conditions per place. [2024-11-28 05:07:27,605 INFO L140 encePairwiseOnDemand]: 269/271 looper letters, 27 selfloop transitions, 0 changer transitions 1/211 dead transitions. [2024-11-28 05:07:27,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 211 transitions, 544 flow [2024-11-28 05:07:27,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:07:27,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:07:27,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 686 transitions. [2024-11-28 05:07:27,611 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8437884378843789 [2024-11-28 05:07:27,612 INFO L175 Difference]: Start difference. First operand has 219 places, 212 transitions, 493 flow. Second operand 3 states and 686 transitions. [2024-11-28 05:07:27,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 211 transitions, 544 flow [2024-11-28 05:07:27,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 211 transitions, 536 flow, removed 1 selfloop flow, removed 4 redundant places. [2024-11-28 05:07:27,620 INFO L231 Difference]: Finished difference. Result has 218 places, 210 transitions, 480 flow [2024-11-28 05:07:27,620 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=480, PETRI_PLACES=218, PETRI_TRANSITIONS=210} [2024-11-28 05:07:27,621 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -40 predicate places. [2024-11-28 05:07:27,621 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 210 transitions, 480 flow [2024-11-28 05:07:27,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 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) [2024-11-28 05:07:27,622 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:07:27,622 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:27,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 05:07:27,622 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-28 05:07:27,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:27,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1513398027, now seen corresponding path program 1 times [2024-11-28 05:07:27,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:27,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168758365] [2024-11-28 05:07:27,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:27,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:28,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:07:28,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:28,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168758365] [2024-11-28 05:07:28,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168758365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:28,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:28,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:07:28,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637527141] [2024-11-28 05:07:28,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:28,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:07:28,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:28,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:07:28,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:07:28,622 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 271 [2024-11-28 05:07:28,625 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 210 transitions, 480 flow. Second operand has 6 states, 6 states have (on average 195.66666666666666) internal successors, (1174), 6 states have internal predecessors, (1174), 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) [2024-11-28 05:07:28,625 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:07:28,625 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 271 [2024-11-28 05:07:28,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:07:37,730 INFO L124 PetriNetUnfolderBase]: 21016/65744 cut-off events. [2024-11-28 05:07:37,730 INFO L125 PetriNetUnfolderBase]: For 3106/3248 co-relation queries the response was YES. [2024-11-28 05:07:37,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104271 conditions, 65744 events. 21016/65744 cut-off events. For 3106/3248 co-relation queries the response was YES. Maximal size of possible extension queue 1376. Compared 822801 event pairs, 9754 based on Foata normal form. 0/59495 useless extension candidates. Maximal degree in co-relation 104262. Up to 29941 conditions per place. [2024-11-28 05:07:38,023 INFO L140 encePairwiseOnDemand]: 264/271 looper letters, 64 selfloop transitions, 5 changer transitions 3/225 dead transitions. [2024-11-28 05:07:38,023 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 225 transitions, 650 flow [2024-11-28 05:07:38,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:07:38,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 05:07:38,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1235 transitions. [2024-11-28 05:07:38,027 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7595325953259533 [2024-11-28 05:07:38,027 INFO L175 Difference]: Start difference. First operand has 218 places, 210 transitions, 480 flow. Second operand 6 states and 1235 transitions. [2024-11-28 05:07:38,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 225 transitions, 650 flow [2024-11-28 05:07:38,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 225 transitions, 648 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-28 05:07:38,038 INFO L231 Difference]: Finished difference. Result has 220 places, 206 transitions, 480 flow [2024-11-28 05:07:38,038 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=480, PETRI_PLACES=220, PETRI_TRANSITIONS=206} [2024-11-28 05:07:38,039 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -38 predicate places. [2024-11-28 05:07:38,039 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 206 transitions, 480 flow [2024-11-28 05:07:38,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 195.66666666666666) internal successors, (1174), 6 states have internal predecessors, (1174), 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) [2024-11-28 05:07:38,040 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:07:38,040 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:38,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 05:07:38,041 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-28 05:07:38,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:38,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1497587866, now seen corresponding path program 1 times [2024-11-28 05:07:38,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:38,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594515266] [2024-11-28 05:07:38,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:38,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:38,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:07:38,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:38,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594515266] [2024-11-28 05:07:38,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594515266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:38,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:38,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:07:38,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757561979] [2024-11-28 05:07:38,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:38,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:07:38,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:38,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:07:38,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:07:38,314 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 271 [2024-11-28 05:07:38,315 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 206 transitions, 480 flow. Second operand has 4 states, 4 states have (on average 215.5) internal successors, (862), 4 states have internal predecessors, (862), 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) [2024-11-28 05:07:38,315 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:07:38,315 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 271 [2024-11-28 05:07:38,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:07:41,972 INFO L124 PetriNetUnfolderBase]: 7222/26805 cut-off events. [2024-11-28 05:07:41,973 INFO L125 PetriNetUnfolderBase]: For 3680/8506 co-relation queries the response was YES. [2024-11-28 05:07:42,062 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40888 conditions, 26805 events. 7222/26805 cut-off events. For 3680/8506 co-relation queries the response was YES. Maximal size of possible extension queue 664. Compared 315890 event pairs, 5043 based on Foata normal form. 137/23507 useless extension candidates. Maximal degree in co-relation 40879. Up to 5892 conditions per place. [2024-11-28 05:07:42,130 INFO L140 encePairwiseOnDemand]: 258/271 looper letters, 77 selfloop transitions, 11 changer transitions 0/259 dead transitions. [2024-11-28 05:07:42,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 259 transitions, 826 flow [2024-11-28 05:07:42,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:07:42,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 05:07:42,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 946 transitions. [2024-11-28 05:07:42,133 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8726937269372693 [2024-11-28 05:07:42,133 INFO L175 Difference]: Start difference. First operand has 220 places, 206 transitions, 480 flow. Second operand 4 states and 946 transitions. [2024-11-28 05:07:42,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 259 transitions, 826 flow [2024-11-28 05:07:42,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 259 transitions, 816 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 05:07:42,146 INFO L231 Difference]: Finished difference. Result has 217 places, 215 transitions, 552 flow [2024-11-28 05:07:42,146 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=552, PETRI_PLACES=217, PETRI_TRANSITIONS=215} [2024-11-28 05:07:42,146 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -41 predicate places. [2024-11-28 05:07:42,146 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 215 transitions, 552 flow [2024-11-28 05:07:42,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 215.5) internal successors, (862), 4 states have internal predecessors, (862), 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) [2024-11-28 05:07:42,147 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:07:42,147 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:42,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 05:07:42,147 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-28 05:07:42,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:42,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1691719297, now seen corresponding path program 1 times [2024-11-28 05:07:42,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:42,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663150567] [2024-11-28 05:07:42,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:42,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:42,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:07:42,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:42,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663150567] [2024-11-28 05:07:42,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663150567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:42,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:42,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:07:42,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368517275] [2024-11-28 05:07:42,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:42,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:07:42,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:42,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:07:42,732 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:07:43,085 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 271 [2024-11-28 05:07:43,087 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 215 transitions, 552 flow. Second operand has 6 states, 6 states have (on average 213.66666666666666) internal successors, (1282), 6 states have internal predecessors, (1282), 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) [2024-11-28 05:07:43,088 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:07:43,088 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 271 [2024-11-28 05:07:43,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:07:47,371 INFO L124 PetriNetUnfolderBase]: 7028/27245 cut-off events. [2024-11-28 05:07:47,371 INFO L125 PetriNetUnfolderBase]: For 7164/10057 co-relation queries the response was YES. [2024-11-28 05:07:47,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44175 conditions, 27245 events. 7028/27245 cut-off events. For 7164/10057 co-relation queries the response was YES. Maximal size of possible extension queue 630. Compared 324224 event pairs, 4588 based on Foata normal form. 3/23823 useless extension candidates. Maximal degree in co-relation 44164. Up to 5944 conditions per place. [2024-11-28 05:07:47,502 INFO L140 encePairwiseOnDemand]: 257/271 looper letters, 88 selfloop transitions, 14 changer transitions 0/271 dead transitions. [2024-11-28 05:07:47,502 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 271 transitions, 948 flow [2024-11-28 05:07:47,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:07:47,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 05:07:47,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1587 transitions. [2024-11-28 05:07:47,507 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8365840801265155 [2024-11-28 05:07:47,507 INFO L175 Difference]: Start difference. First operand has 217 places, 215 transitions, 552 flow. Second operand 7 states and 1587 transitions. [2024-11-28 05:07:47,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 271 transitions, 948 flow [2024-11-28 05:07:47,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 271 transitions, 946 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 05:07:47,521 INFO L231 Difference]: Finished difference. Result has 225 places, 218 transitions, 607 flow [2024-11-28 05:07:47,521 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=607, PETRI_PLACES=225, PETRI_TRANSITIONS=218} [2024-11-28 05:07:47,522 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -33 predicate places. [2024-11-28 05:07:47,522 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 218 transitions, 607 flow [2024-11-28 05:07:47,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 213.66666666666666) internal successors, (1282), 6 states have internal predecessors, (1282), 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) [2024-11-28 05:07:47,523 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:07:47,523 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:47,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 05:07:47,524 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-28 05:07:47,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:47,524 INFO L85 PathProgramCache]: Analyzing trace with hash -944876494, now seen corresponding path program 1 times [2024-11-28 05:07:47,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:47,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388055886] [2024-11-28 05:07:47,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:47,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:47,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:07:47,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:47,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388055886] [2024-11-28 05:07:47,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388055886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:47,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:47,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:07:47,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408335967] [2024-11-28 05:07:47,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:47,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:07:47,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:47,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:07:47,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:07:48,233 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 271 [2024-11-28 05:07:48,235 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 218 transitions, 607 flow. Second operand has 6 states, 6 states have (on average 195.83333333333334) internal successors, (1175), 6 states have internal predecessors, (1175), 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) [2024-11-28 05:07:48,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:07:48,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 271 [2024-11-28 05:07:48,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand