./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c34637-a7eb-4e7c-a1e5-0e33972fddc1/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c34637-a7eb-4e7c-a1e5-0e33972fddc1/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c34637-a7eb-4e7c-a1e5-0e33972fddc1/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c34637-a7eb-4e7c-a1e5-0e33972fddc1/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c34637-a7eb-4e7c-a1e5-0e33972fddc1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c34637-a7eb-4e7c-a1e5-0e33972fddc1/bin/uautomizer-verify-BQ2R08f2Ya --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 69f7b2e4777088b02df05d348ae0a210dcd9618a97428b10acd3ef63d9199610 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:55:08,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:55:08,651 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c34637-a7eb-4e7c-a1e5-0e33972fddc1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 04:55:08,656 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:55:08,657 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:55:08,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:55:08,685 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:55:08,685 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:55:08,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:55:08,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:55:08,688 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:55:08,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:55:08,689 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:55:08,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:55:08,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:55:08,691 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:55:08,692 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:55:08,693 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:55:08,693 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:55:08,694 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:55:08,694 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:55:08,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:55:08,696 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 04:55:08,696 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:55:08,697 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:55:08,697 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:55:08,698 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:55:08,699 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:55:08,699 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:55:08,700 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:55:08,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:55:08,721 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:55:08,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:55:08,722 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:55:08,722 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:55:08,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:55:08,723 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:55:08,723 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:55:08,723 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:55:08,724 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:55:08,724 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:55:08,724 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c34637-a7eb-4e7c-a1e5-0e33972fddc1/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c34637-a7eb-4e7c-a1e5-0e33972fddc1/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69f7b2e4777088b02df05d348ae0a210dcd9618a97428b10acd3ef63d9199610 [2023-11-29 04:55:08,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:55:08,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:55:08,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:55:08,981 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:55:08,981 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:55:08,983 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c34637-a7eb-4e7c-a1e5-0e33972fddc1/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c [2023-11-29 04:55:12,187 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:55:12,435 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:55:12,436 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c34637-a7eb-4e7c-a1e5-0e33972fddc1/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c [2023-11-29 04:55:12,446 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c34637-a7eb-4e7c-a1e5-0e33972fddc1/bin/uautomizer-verify-BQ2R08f2Ya/data/d6d70c2ad/57a3bfa6de73487a972fe4f06c9dfd3c/FLAG07f2b9c9e [2023-11-29 04:55:12,463 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c34637-a7eb-4e7c-a1e5-0e33972fddc1/bin/uautomizer-verify-BQ2R08f2Ya/data/d6d70c2ad/57a3bfa6de73487a972fe4f06c9dfd3c [2023-11-29 04:55:12,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:55:12,468 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:55:12,470 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:55:12,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:55:12,476 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:55:12,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:55:12" (1/1) ... [2023-11-29 04:55:12,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c956879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:12, skipping insertion in model container [2023-11-29 04:55:12,478 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:55:12" (1/1) ... [2023-11-29 04:55:12,512 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:55:12,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:55:12,794 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:55:12,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:55:12,854 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:55:12,854 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:55:12,863 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:55:12,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:12 WrapperNode [2023-11-29 04:55:12,864 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:55:12,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:55:12,866 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:55:12,866 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:55:12,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:12" (1/1) ... [2023-11-29 04:55:12,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:12" (1/1) ... [2023-11-29 04:55:12,945 INFO L138 Inliner]: procedures = 24, calls = 46, calls flagged for inlining = 12, calls inlined = 14, statements flattened = 429 [2023-11-29 04:55:12,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:55:12,946 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:55:12,946 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:55:12,947 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:55:12,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:12" (1/1) ... [2023-11-29 04:55:12,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:12" (1/1) ... [2023-11-29 04:55:12,966 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:12" (1/1) ... [2023-11-29 04:55:12,967 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:12" (1/1) ... [2023-11-29 04:55:12,987 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:12" (1/1) ... [2023-11-29 04:55:12,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:12" (1/1) ... [2023-11-29 04:55:12,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:12" (1/1) ... [2023-11-29 04:55:12,997 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:12" (1/1) ... [2023-11-29 04:55:13,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:55:13,004 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:55:13,004 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:55:13,004 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:55:13,005 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:12" (1/1) ... [2023-11-29 04:55:13,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:55:13,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c34637-a7eb-4e7c-a1e5-0e33972fddc1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:55:13,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c34637-a7eb-4e7c-a1e5-0e33972fddc1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:55:13,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c34637-a7eb-4e7c-a1e5-0e33972fddc1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:55:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:55:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 04:55:13,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 04:55:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 04:55:13,079 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 04:55:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 04:55:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 04:55:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 04:55:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 04:55:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 04:55:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 04:55:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:55:13,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:55:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 04:55:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 04:55:13,083 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 04:55:13,230 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:55:13,232 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:55:13,868 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:55:14,226 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:55:14,226 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-29 04:55:14,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:55:14 BoogieIcfgContainer [2023-11-29 04:55:14,229 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:55:14,231 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:55:14,231 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:55:14,234 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:55:14,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:55:12" (1/3) ... [2023-11-29 04:55:14,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bbb6908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:55:14, skipping insertion in model container [2023-11-29 04:55:14,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:12" (2/3) ... [2023-11-29 04:55:14,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bbb6908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:55:14, skipping insertion in model container [2023-11-29 04:55:14,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:55:14" (3/3) ... [2023-11-29 04:55:14,238 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-inc-subseq.wvr.c [2023-11-29 04:55:14,247 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 04:55:14,257 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:55:14,257 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 69 error locations. [2023-11-29 04:55:14,257 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 04:55:14,379 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-29 04:55:14,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 384 places, 393 transitions, 800 flow [2023-11-29 04:55:14,562 INFO L124 PetriNetUnfolderBase]: 16/391 cut-off events. [2023-11-29 04:55:14,562 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 04:55:14,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 400 conditions, 391 events. 16/391 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 625 event pairs, 0 based on Foata normal form. 0/306 useless extension candidates. Maximal degree in co-relation 292. Up to 2 conditions per place. [2023-11-29 04:55:14,573 INFO L82 GeneralOperation]: Start removeDead. Operand has 384 places, 393 transitions, 800 flow [2023-11-29 04:55:14,584 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 362 places, 370 transitions, 752 flow [2023-11-29 04:55:14,594 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:55:14,601 INFO L357 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, mHoare=true, 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;@3045f0c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:55:14,601 INFO L358 AbstractCegarLoop]: Starting to check reachability of 119 error locations. [2023-11-29 04:55:14,607 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 04:55:14,607 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2023-11-29 04:55:14,607 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:55:14,607 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:14,608 INFO L208 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] [2023-11-29 04:55:14,609 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:14,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:14,614 INFO L85 PathProgramCache]: Analyzing trace with hash 733562783, now seen corresponding path program 1 times [2023-11-29 04:55:14,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:14,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818553917] [2023-11-29 04:55:14,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:14,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:14,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:55:14,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:14,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818553917] [2023-11-29 04:55:14,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818553917] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:14,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:14,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:55:14,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282632713] [2023-11-29 04:55:14,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:14,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:55:14,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:14,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:55:14,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:55:14,923 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 393 [2023-11-29 04:55:14,930 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 370 transitions, 752 flow. Second operand has 3 states, 3 states have (on average 332.3333333333333) internal successors, (997), 3 states have internal predecessors, (997), 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) [2023-11-29 04:55:14,931 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:14,931 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 393 [2023-11-29 04:55:14,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:15,199 INFO L124 PetriNetUnfolderBase]: 40/506 cut-off events. [2023-11-29 04:55:15,200 INFO L125 PetriNetUnfolderBase]: For 39/42 co-relation queries the response was YES. [2023-11-29 04:55:15,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 589 conditions, 506 events. 40/506 cut-off events. For 39/42 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1564 event pairs, 13 based on Foata normal form. 22/425 useless extension candidates. Maximal degree in co-relation 281. Up to 61 conditions per place. [2023-11-29 04:55:15,211 INFO L140 encePairwiseOnDemand]: 349/393 looper letters, 15 selfloop transitions, 2 changer transitions 5/328 dead transitions. [2023-11-29 04:55:15,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 328 transitions, 702 flow [2023-11-29 04:55:15,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:55:15,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:55:15,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1052 transitions. [2023-11-29 04:55:15,235 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8922815945716709 [2023-11-29 04:55:15,236 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1052 transitions. [2023-11-29 04:55:15,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1052 transitions. [2023-11-29 04:55:15,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:15,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1052 transitions. [2023-11-29 04:55:15,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 350.6666666666667) internal successors, (1052), 3 states have internal predecessors, (1052), 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) [2023-11-29 04:55:15,266 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:15,268 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:15,271 INFO L175 Difference]: Start difference. First operand has 362 places, 370 transitions, 752 flow. Second operand 3 states and 1052 transitions. [2023-11-29 04:55:15,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 328 transitions, 702 flow [2023-11-29 04:55:15,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 328 transitions, 694 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 04:55:15,291 INFO L231 Difference]: Finished difference. Result has 327 places, 323 transitions, 654 flow [2023-11-29 04:55:15,294 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=660, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=654, PETRI_PLACES=327, PETRI_TRANSITIONS=323} [2023-11-29 04:55:15,299 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -35 predicate places. [2023-11-29 04:55:15,299 INFO L495 AbstractCegarLoop]: Abstraction has has 327 places, 323 transitions, 654 flow [2023-11-29 04:55:15,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 332.3333333333333) internal successors, (997), 3 states have internal predecessors, (997), 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) [2023-11-29 04:55:15,301 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:15,302 INFO L208 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] [2023-11-29 04:55:15,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:55:15,303 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:15,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:15,303 INFO L85 PathProgramCache]: Analyzing trace with hash 897322483, now seen corresponding path program 1 times [2023-11-29 04:55:15,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:15,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510164371] [2023-11-29 04:55:15,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:15,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:15,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:55:15,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:15,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510164371] [2023-11-29 04:55:15,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510164371] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:15,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:15,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:55:15,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409916195] [2023-11-29 04:55:15,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:15,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:55:15,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:15,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:55:15,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:55:15,433 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 393 [2023-11-29 04:55:15,436 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 323 transitions, 654 flow. Second operand has 3 states, 3 states have (on average 332.3333333333333) internal successors, (997), 3 states have internal predecessors, (997), 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) [2023-11-29 04:55:15,436 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:15,436 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 393 [2023-11-29 04:55:15,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:15,583 INFO L124 PetriNetUnfolderBase]: 26/513 cut-off events. [2023-11-29 04:55:15,583 INFO L125 PetriNetUnfolderBase]: For 4/9 co-relation queries the response was YES. [2023-11-29 04:55:15,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 567 conditions, 513 events. 26/513 cut-off events. For 4/9 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1594 event pairs, 10 based on Foata normal form. 0/432 useless extension candidates. Maximal degree in co-relation 535. Up to 44 conditions per place. [2023-11-29 04:55:15,588 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 15 selfloop transitions, 2 changer transitions 0/322 dead transitions. [2023-11-29 04:55:15,589 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 322 transitions, 686 flow [2023-11-29 04:55:15,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:55:15,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:55:15,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1011 transitions. [2023-11-29 04:55:15,593 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8575063613231552 [2023-11-29 04:55:15,593 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1011 transitions. [2023-11-29 04:55:15,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1011 transitions. [2023-11-29 04:55:15,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:15,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1011 transitions. [2023-11-29 04:55:15,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 337.0) internal successors, (1011), 3 states have internal predecessors, (1011), 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) [2023-11-29 04:55:15,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:15,602 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:15,603 INFO L175 Difference]: Start difference. First operand has 327 places, 323 transitions, 654 flow. Second operand 3 states and 1011 transitions. [2023-11-29 04:55:15,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 322 transitions, 686 flow [2023-11-29 04:55:15,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 322 transitions, 682 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:55:15,612 INFO L231 Difference]: Finished difference. Result has 321 places, 322 transitions, 652 flow [2023-11-29 04:55:15,612 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=652, PETRI_PLACES=321, PETRI_TRANSITIONS=322} [2023-11-29 04:55:15,613 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -41 predicate places. [2023-11-29 04:55:15,614 INFO L495 AbstractCegarLoop]: Abstraction has has 321 places, 322 transitions, 652 flow [2023-11-29 04:55:15,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 332.3333333333333) internal successors, (997), 3 states have internal predecessors, (997), 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) [2023-11-29 04:55:15,615 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:15,616 INFO L208 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] [2023-11-29 04:55:15,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:55:15,616 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:15,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:15,617 INFO L85 PathProgramCache]: Analyzing trace with hash 219213541, now seen corresponding path program 1 times [2023-11-29 04:55:15,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:15,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708325326] [2023-11-29 04:55:15,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:15,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:15,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:55:15,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:15,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708325326] [2023-11-29 04:55:15,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708325326] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:15,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:15,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:55:15,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163440731] [2023-11-29 04:55:15,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:15,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:55:15,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:15,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:55:15,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:55:15,702 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 393 [2023-11-29 04:55:15,704 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 322 transitions, 652 flow. Second operand has 3 states, 3 states have (on average 334.3333333333333) internal successors, (1003), 3 states have internal predecessors, (1003), 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) [2023-11-29 04:55:15,704 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:15,704 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 393 [2023-11-29 04:55:15,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:15,853 INFO L124 PetriNetUnfolderBase]: 28/487 cut-off events. [2023-11-29 04:55:15,853 INFO L125 PetriNetUnfolderBase]: For 7/9 co-relation queries the response was YES. [2023-11-29 04:55:15,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 537 conditions, 487 events. 28/487 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1364 event pairs, 7 based on Foata normal form. 0/401 useless extension candidates. Maximal degree in co-relation 497. Up to 41 conditions per place. [2023-11-29 04:55:15,857 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 13 selfloop transitions, 2 changer transitions 0/321 dead transitions. [2023-11-29 04:55:15,857 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 321 transitions, 680 flow [2023-11-29 04:55:15,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:55:15,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:55:15,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1015 transitions. [2023-11-29 04:55:15,862 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8608990670059372 [2023-11-29 04:55:15,862 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1015 transitions. [2023-11-29 04:55:15,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1015 transitions. [2023-11-29 04:55:15,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:15,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1015 transitions. [2023-11-29 04:55:15,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 338.3333333333333) internal successors, (1015), 3 states have internal predecessors, (1015), 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) [2023-11-29 04:55:15,869 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:15,870 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:15,870 INFO L175 Difference]: Start difference. First operand has 321 places, 322 transitions, 652 flow. Second operand 3 states and 1015 transitions. [2023-11-29 04:55:15,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 321 transitions, 680 flow [2023-11-29 04:55:15,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 321 transitions, 676 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:55:15,876 INFO L231 Difference]: Finished difference. Result has 320 places, 321 transitions, 650 flow [2023-11-29 04:55:15,877 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=650, PETRI_PLACES=320, PETRI_TRANSITIONS=321} [2023-11-29 04:55:15,878 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -42 predicate places. [2023-11-29 04:55:15,878 INFO L495 AbstractCegarLoop]: Abstraction has has 320 places, 321 transitions, 650 flow [2023-11-29 04:55:15,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.3333333333333) internal successors, (1003), 3 states have internal predecessors, (1003), 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) [2023-11-29 04:55:15,879 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:15,879 INFO L208 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] [2023-11-29 04:55:15,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:55:15,880 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:15,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:15,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1740945814, now seen corresponding path program 1 times [2023-11-29 04:55:15,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:15,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116050199] [2023-11-29 04:55:15,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:15,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:15,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:55:15,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:15,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116050199] [2023-11-29 04:55:15,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116050199] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:15,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:15,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:55:15,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90921811] [2023-11-29 04:55:15,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:15,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:55:15,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:15,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:55:15,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:55:15,965 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 393 [2023-11-29 04:55:15,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 321 transitions, 650 flow. Second operand has 3 states, 3 states have (on average 334.3333333333333) internal successors, (1003), 3 states have internal predecessors, (1003), 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) [2023-11-29 04:55:15,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:15,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 393 [2023-11-29 04:55:15,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:16,083 INFO L124 PetriNetUnfolderBase]: 28/486 cut-off events. [2023-11-29 04:55:16,083 INFO L125 PetriNetUnfolderBase]: For 7/9 co-relation queries the response was YES. [2023-11-29 04:55:16,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 536 conditions, 486 events. 28/486 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1364 event pairs, 7 based on Foata normal form. 0/401 useless extension candidates. Maximal degree in co-relation 488. Up to 41 conditions per place. [2023-11-29 04:55:16,087 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 13 selfloop transitions, 2 changer transitions 0/320 dead transitions. [2023-11-29 04:55:16,087 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 320 transitions, 678 flow [2023-11-29 04:55:16,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:55:16,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:55:16,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1015 transitions. [2023-11-29 04:55:16,092 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8608990670059372 [2023-11-29 04:55:16,092 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1015 transitions. [2023-11-29 04:55:16,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1015 transitions. [2023-11-29 04:55:16,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:16,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1015 transitions. [2023-11-29 04:55:16,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 338.3333333333333) internal successors, (1015), 3 states have internal predecessors, (1015), 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) [2023-11-29 04:55:16,100 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:16,101 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:16,101 INFO L175 Difference]: Start difference. First operand has 320 places, 321 transitions, 650 flow. Second operand 3 states and 1015 transitions. [2023-11-29 04:55:16,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 320 transitions, 678 flow [2023-11-29 04:55:16,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 320 transitions, 674 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:55:16,107 INFO L231 Difference]: Finished difference. Result has 319 places, 320 transitions, 648 flow [2023-11-29 04:55:16,108 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=648, PETRI_PLACES=319, PETRI_TRANSITIONS=320} [2023-11-29 04:55:16,109 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -43 predicate places. [2023-11-29 04:55:16,109 INFO L495 AbstractCegarLoop]: Abstraction has has 319 places, 320 transitions, 648 flow [2023-11-29 04:55:16,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.3333333333333) internal successors, (1003), 3 states have internal predecessors, (1003), 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) [2023-11-29 04:55:16,110 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:16,110 INFO L208 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] [2023-11-29 04:55:16,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:55:16,111 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:16,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:16,111 INFO L85 PathProgramCache]: Analyzing trace with hash -450696811, now seen corresponding path program 1 times [2023-11-29 04:55:16,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:16,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080532695] [2023-11-29 04:55:16,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:16,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:16,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:55:16,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:16,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080532695] [2023-11-29 04:55:16,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080532695] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:16,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:16,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:55:16,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28641778] [2023-11-29 04:55:16,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:16,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:55:16,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:16,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:55:16,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:55:16,176 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 337 out of 393 [2023-11-29 04:55:16,178 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 320 transitions, 648 flow. Second operand has 3 states, 3 states have (on average 338.0) internal successors, (1014), 3 states have internal predecessors, (1014), 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) [2023-11-29 04:55:16,178 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:16,179 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 337 of 393 [2023-11-29 04:55:16,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:16,304 INFO L124 PetriNetUnfolderBase]: 34/515 cut-off events. [2023-11-29 04:55:16,305 INFO L125 PetriNetUnfolderBase]: For 11/13 co-relation queries the response was YES. [2023-11-29 04:55:16,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 573 conditions, 515 events. 34/515 cut-off events. For 11/13 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1630 event pairs, 4 based on Foata normal form. 1/434 useless extension candidates. Maximal degree in co-relation 517. Up to 27 conditions per place. [2023-11-29 04:55:16,309 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 15 selfloop transitions, 2 changer transitions 0/324 dead transitions. [2023-11-29 04:55:16,309 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 324 transitions, 692 flow [2023-11-29 04:55:16,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:55:16,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:55:16,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1029 transitions. [2023-11-29 04:55:16,318 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8727735368956743 [2023-11-29 04:55:16,318 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1029 transitions. [2023-11-29 04:55:16,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1029 transitions. [2023-11-29 04:55:16,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:16,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1029 transitions. [2023-11-29 04:55:16,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 343.0) internal successors, (1029), 3 states have internal predecessors, (1029), 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) [2023-11-29 04:55:16,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:16,327 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:16,327 INFO L175 Difference]: Start difference. First operand has 319 places, 320 transitions, 648 flow. Second operand 3 states and 1029 transitions. [2023-11-29 04:55:16,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 324 transitions, 692 flow [2023-11-29 04:55:16,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 324 transitions, 688 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:55:16,334 INFO L231 Difference]: Finished difference. Result has 319 places, 320 transitions, 652 flow [2023-11-29 04:55:16,335 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=642, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=652, PETRI_PLACES=319, PETRI_TRANSITIONS=320} [2023-11-29 04:55:16,335 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -43 predicate places. [2023-11-29 04:55:16,336 INFO L495 AbstractCegarLoop]: Abstraction has has 319 places, 320 transitions, 652 flow [2023-11-29 04:55:16,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 338.0) internal successors, (1014), 3 states have internal predecessors, (1014), 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) [2023-11-29 04:55:16,337 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:16,337 INFO L208 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] [2023-11-29 04:55:16,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 04:55:16,338 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:16,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:16,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1644457519, now seen corresponding path program 1 times [2023-11-29 04:55:16,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:16,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764310779] [2023-11-29 04:55:16,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:16,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:16,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:55:16,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:16,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764310779] [2023-11-29 04:55:16,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764310779] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:16,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:16,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:55:16,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582226627] [2023-11-29 04:55:16,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:16,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:55:16,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:16,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:55:16,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:55:16,402 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 393 [2023-11-29 04:55:16,404 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 320 transitions, 652 flow. Second operand has 3 states, 3 states have (on average 335.3333333333333) internal successors, (1006), 3 states have internal predecessors, (1006), 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) [2023-11-29 04:55:16,404 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:16,404 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 393 [2023-11-29 04:55:16,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:16,556 INFO L124 PetriNetUnfolderBase]: 34/514 cut-off events. [2023-11-29 04:55:16,556 INFO L125 PetriNetUnfolderBase]: For 19/21 co-relation queries the response was YES. [2023-11-29 04:55:16,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 586 conditions, 514 events. 34/514 cut-off events. For 19/21 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1619 event pairs, 10 based on Foata normal form. 0/427 useless extension candidates. Maximal degree in co-relation 332. Up to 51 conditions per place. [2023-11-29 04:55:16,563 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 13 selfloop transitions, 2 changer transitions 0/319 dead transitions. [2023-11-29 04:55:16,564 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 319 transitions, 680 flow [2023-11-29 04:55:16,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:55:16,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:55:16,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1017 transitions. [2023-11-29 04:55:16,569 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8625954198473282 [2023-11-29 04:55:16,569 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1017 transitions. [2023-11-29 04:55:16,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1017 transitions. [2023-11-29 04:55:16,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:16,571 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1017 transitions. [2023-11-29 04:55:16,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 339.0) internal successors, (1017), 3 states have internal predecessors, (1017), 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) [2023-11-29 04:55:16,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:16,584 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:16,584 INFO L175 Difference]: Start difference. First operand has 319 places, 320 transitions, 652 flow. Second operand 3 states and 1017 transitions. [2023-11-29 04:55:16,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 319 transitions, 680 flow [2023-11-29 04:55:16,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 319 transitions, 678 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:55:16,594 INFO L231 Difference]: Finished difference. Result has 319 places, 319 transitions, 652 flow [2023-11-29 04:55:16,595 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=652, PETRI_PLACES=319, PETRI_TRANSITIONS=319} [2023-11-29 04:55:16,596 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -43 predicate places. [2023-11-29 04:55:16,597 INFO L495 AbstractCegarLoop]: Abstraction has has 319 places, 319 transitions, 652 flow [2023-11-29 04:55:16,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 335.3333333333333) internal successors, (1006), 3 states have internal predecessors, (1006), 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) [2023-11-29 04:55:16,598 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:16,598 INFO L208 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] [2023-11-29 04:55:16,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 04:55:16,599 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:16,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:16,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1638109976, now seen corresponding path program 1 times [2023-11-29 04:55:16,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:16,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16182139] [2023-11-29 04:55:16,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:16,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:16,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:55:16,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:16,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16182139] [2023-11-29 04:55:16,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16182139] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:16,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:16,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:55:16,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707467962] [2023-11-29 04:55:16,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:16,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:55:16,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:16,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:55:16,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:55:16,668 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 337 out of 393 [2023-11-29 04:55:16,670 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 319 transitions, 652 flow. Second operand has 3 states, 3 states have (on average 338.0) internal successors, (1014), 3 states have internal predecessors, (1014), 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) [2023-11-29 04:55:16,670 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:16,670 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 337 of 393 [2023-11-29 04:55:16,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:16,778 INFO L124 PetriNetUnfolderBase]: 34/513 cut-off events. [2023-11-29 04:55:16,778 INFO L125 PetriNetUnfolderBase]: For 18/20 co-relation queries the response was YES. [2023-11-29 04:55:16,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 581 conditions, 513 events. 34/513 cut-off events. For 18/20 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1617 event pairs, 10 based on Foata normal form. 0/427 useless extension candidates. Maximal degree in co-relation 516. Up to 49 conditions per place. [2023-11-29 04:55:16,785 INFO L140 encePairwiseOnDemand]: 391/393 looper letters, 12 selfloop transitions, 1 changer transitions 0/318 dead transitions. [2023-11-29 04:55:16,785 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 318 transitions, 676 flow [2023-11-29 04:55:16,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:55:16,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:55:16,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1024 transitions. [2023-11-29 04:55:16,790 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8685326547921968 [2023-11-29 04:55:16,791 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1024 transitions. [2023-11-29 04:55:16,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1024 transitions. [2023-11-29 04:55:16,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:16,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1024 transitions. [2023-11-29 04:55:16,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 341.3333333333333) internal successors, (1024), 3 states have internal predecessors, (1024), 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) [2023-11-29 04:55:16,801 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:16,803 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:16,803 INFO L175 Difference]: Start difference. First operand has 319 places, 319 transitions, 652 flow. Second operand 3 states and 1024 transitions. [2023-11-29 04:55:16,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 318 transitions, 676 flow [2023-11-29 04:55:16,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 318 transitions, 672 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:55:16,814 INFO L231 Difference]: Finished difference. Result has 318 places, 318 transitions, 648 flow [2023-11-29 04:55:16,815 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=648, PETRI_PLACES=318, PETRI_TRANSITIONS=318} [2023-11-29 04:55:16,816 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -44 predicate places. [2023-11-29 04:55:16,816 INFO L495 AbstractCegarLoop]: Abstraction has has 318 places, 318 transitions, 648 flow [2023-11-29 04:55:16,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 338.0) internal successors, (1014), 3 states have internal predecessors, (1014), 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) [2023-11-29 04:55:16,817 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:16,817 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:55:16,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 04:55:16,818 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:16,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:16,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1637485399, now seen corresponding path program 1 times [2023-11-29 04:55:16,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:16,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771238831] [2023-11-29 04:55:16,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:16,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:17,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:55:17,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:17,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771238831] [2023-11-29 04:55:17,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771238831] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:17,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:17,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:55:17,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768745071] [2023-11-29 04:55:17,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:17,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:55:17,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:17,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:55:17,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:55:17,813 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 393 [2023-11-29 04:55:17,817 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 318 transitions, 648 flow. Second operand has 6 states, 6 states have (on average 294.5) internal successors, (1767), 6 states have internal predecessors, (1767), 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) [2023-11-29 04:55:17,817 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:17,817 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 393 [2023-11-29 04:55:17,817 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:18,375 INFO L124 PetriNetUnfolderBase]: 458/1961 cut-off events. [2023-11-29 04:55:18,375 INFO L125 PetriNetUnfolderBase]: For 130/130 co-relation queries the response was YES. [2023-11-29 04:55:18,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2811 conditions, 1961 events. 458/1961 cut-off events. For 130/130 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 13995 event pairs, 346 based on Foata normal form. 0/1601 useless extension candidates. Maximal degree in co-relation 2747. Up to 704 conditions per place. [2023-11-29 04:55:18,404 INFO L140 encePairwiseOnDemand]: 381/393 looper letters, 46 selfloop transitions, 10 changer transitions 0/316 dead transitions. [2023-11-29 04:55:18,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 316 transitions, 756 flow [2023-11-29 04:55:18,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:55:18,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:55:18,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1815 transitions. [2023-11-29 04:55:18,413 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7697201017811705 [2023-11-29 04:55:18,413 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1815 transitions. [2023-11-29 04:55:18,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1815 transitions. [2023-11-29 04:55:18,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:18,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1815 transitions. [2023-11-29 04:55:18,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 302.5) internal successors, (1815), 6 states have internal predecessors, (1815), 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) [2023-11-29 04:55:18,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 393.0) internal successors, (2751), 7 states have internal predecessors, (2751), 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) [2023-11-29 04:55:18,434 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 393.0) internal successors, (2751), 7 states have internal predecessors, (2751), 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) [2023-11-29 04:55:18,434 INFO L175 Difference]: Start difference. First operand has 318 places, 318 transitions, 648 flow. Second operand 6 states and 1815 transitions. [2023-11-29 04:55:18,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 316 transitions, 756 flow [2023-11-29 04:55:18,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 316 transitions, 755 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:55:18,444 INFO L231 Difference]: Finished difference. Result has 320 places, 316 transitions, 663 flow [2023-11-29 04:55:18,445 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=643, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=663, PETRI_PLACES=320, PETRI_TRANSITIONS=316} [2023-11-29 04:55:18,446 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -42 predicate places. [2023-11-29 04:55:18,446 INFO L495 AbstractCegarLoop]: Abstraction has has 320 places, 316 transitions, 663 flow [2023-11-29 04:55:18,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 294.5) internal successors, (1767), 6 states have internal predecessors, (1767), 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) [2023-11-29 04:55:18,449 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:18,449 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:55:18,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 04:55:18,449 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:18,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:18,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1543975925, now seen corresponding path program 1 times [2023-11-29 04:55:18,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:18,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432290507] [2023-11-29 04:55:18,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:18,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:18,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:55:18,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:18,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432290507] [2023-11-29 04:55:18,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432290507] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:18,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:18,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:55:18,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108529519] [2023-11-29 04:55:18,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:18,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:55:18,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:18,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:55:18,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:55:18,528 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 393 [2023-11-29 04:55:18,530 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 316 transitions, 663 flow. Second operand has 3 states, 3 states have (on average 335.3333333333333) internal successors, (1006), 3 states have internal predecessors, (1006), 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) [2023-11-29 04:55:18,530 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:18,530 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 393 [2023-11-29 04:55:18,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:18,639 INFO L124 PetriNetUnfolderBase]: 34/510 cut-off events. [2023-11-29 04:55:18,640 INFO L125 PetriNetUnfolderBase]: For 18/20 co-relation queries the response was YES. [2023-11-29 04:55:18,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 589 conditions, 510 events. 34/510 cut-off events. For 18/20 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1617 event pairs, 10 based on Foata normal form. 0/427 useless extension candidates. Maximal degree in co-relation 555. Up to 51 conditions per place. [2023-11-29 04:55:18,646 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 13 selfloop transitions, 2 changer transitions 0/315 dead transitions. [2023-11-29 04:55:18,646 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 315 transitions, 691 flow [2023-11-29 04:55:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:55:18,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:55:18,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1017 transitions. [2023-11-29 04:55:18,651 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8625954198473282 [2023-11-29 04:55:18,651 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1017 transitions. [2023-11-29 04:55:18,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1017 transitions. [2023-11-29 04:55:18,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:18,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1017 transitions. [2023-11-29 04:55:18,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 339.0) internal successors, (1017), 3 states have internal predecessors, (1017), 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) [2023-11-29 04:55:18,661 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:18,662 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:18,662 INFO L175 Difference]: Start difference. First operand has 320 places, 316 transitions, 663 flow. Second operand 3 states and 1017 transitions. [2023-11-29 04:55:18,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 315 transitions, 691 flow [2023-11-29 04:55:18,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 315 transitions, 671 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 04:55:18,671 INFO L231 Difference]: Finished difference. Result has 316 places, 315 transitions, 645 flow [2023-11-29 04:55:18,672 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=641, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=645, PETRI_PLACES=316, PETRI_TRANSITIONS=315} [2023-11-29 04:55:18,673 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -46 predicate places. [2023-11-29 04:55:18,673 INFO L495 AbstractCegarLoop]: Abstraction has has 316 places, 315 transitions, 645 flow [2023-11-29 04:55:18,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 335.3333333333333) internal successors, (1006), 3 states have internal predecessors, (1006), 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) [2023-11-29 04:55:18,674 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:18,675 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:55:18,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 04:55:18,675 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:18,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:18,675 INFO L85 PathProgramCache]: Analyzing trace with hash 623988239, now seen corresponding path program 1 times [2023-11-29 04:55:18,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:18,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755211610] [2023-11-29 04:55:18,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:18,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:18,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:55:18,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:18,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755211610] [2023-11-29 04:55:18,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755211610] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:18,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:18,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:55:18,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182558575] [2023-11-29 04:55:18,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:18,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:55:18,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:18,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:55:18,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:55:18,736 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 393 [2023-11-29 04:55:18,738 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 315 transitions, 645 flow. Second operand has 3 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 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) [2023-11-29 04:55:18,738 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:18,738 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 393 [2023-11-29 04:55:18,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:18,847 INFO L124 PetriNetUnfolderBase]: 37/578 cut-off events. [2023-11-29 04:55:18,847 INFO L125 PetriNetUnfolderBase]: For 18/25 co-relation queries the response was YES. [2023-11-29 04:55:18,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 667 conditions, 578 events. 37/578 cut-off events. For 18/25 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1999 event pairs, 18 based on Foata normal form. 0/497 useless extension candidates. Maximal degree in co-relation 602. Up to 63 conditions per place. [2023-11-29 04:55:18,853 INFO L140 encePairwiseOnDemand]: 389/393 looper letters, 16 selfloop transitions, 1 changer transitions 0/312 dead transitions. [2023-11-29 04:55:18,853 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 312 transitions, 673 flow [2023-11-29 04:55:18,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:55:18,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:55:18,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1012 transitions. [2023-11-29 04:55:18,858 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8583545377438507 [2023-11-29 04:55:18,858 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1012 transitions. [2023-11-29 04:55:18,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1012 transitions. [2023-11-29 04:55:18,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:18,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1012 transitions. [2023-11-29 04:55:18,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 337.3333333333333) internal successors, (1012), 3 states have internal predecessors, (1012), 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) [2023-11-29 04:55:18,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:18,868 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:18,869 INFO L175 Difference]: Start difference. First operand has 316 places, 315 transitions, 645 flow. Second operand 3 states and 1012 transitions. [2023-11-29 04:55:18,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 312 transitions, 673 flow [2023-11-29 04:55:18,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 312 transitions, 669 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:55:18,878 INFO L231 Difference]: Finished difference. Result has 313 places, 312 transitions, 637 flow [2023-11-29 04:55:18,879 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=637, PETRI_PLACES=313, PETRI_TRANSITIONS=312} [2023-11-29 04:55:18,879 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -49 predicate places. [2023-11-29 04:55:18,880 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 312 transitions, 637 flow [2023-11-29 04:55:18,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 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) [2023-11-29 04:55:18,881 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:18,882 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:55:18,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 04:55:18,882 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:18,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:18,883 INFO L85 PathProgramCache]: Analyzing trace with hash -598772311, now seen corresponding path program 1 times [2023-11-29 04:55:18,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:18,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742992298] [2023-11-29 04:55:18,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:18,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:18,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:55:18,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:18,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742992298] [2023-11-29 04:55:18,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742992298] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:18,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:18,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:55:18,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898703151] [2023-11-29 04:55:18,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:18,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:55:18,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:18,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:55:18,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:55:18,954 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 393 [2023-11-29 04:55:18,956 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 312 transitions, 637 flow. Second operand has 3 states, 3 states have (on average 332.3333333333333) internal successors, (997), 3 states have internal predecessors, (997), 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) [2023-11-29 04:55:18,956 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:18,956 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 393 [2023-11-29 04:55:18,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:19,084 INFO L124 PetriNetUnfolderBase]: 45/626 cut-off events. [2023-11-29 04:55:19,084 INFO L125 PetriNetUnfolderBase]: For 22/24 co-relation queries the response was YES. [2023-11-29 04:55:19,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 723 conditions, 626 events. 45/626 cut-off events. For 22/24 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2443 event pairs, 18 based on Foata normal form. 0/527 useless extension candidates. Maximal degree in co-relation 658. Up to 72 conditions per place. [2023-11-29 04:55:19,091 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 16 selfloop transitions, 2 changer transitions 0/311 dead transitions. [2023-11-29 04:55:19,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 311 transitions, 671 flow [2023-11-29 04:55:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:55:19,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:55:19,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1011 transitions. [2023-11-29 04:55:19,096 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8575063613231552 [2023-11-29 04:55:19,096 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1011 transitions. [2023-11-29 04:55:19,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1011 transitions. [2023-11-29 04:55:19,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:19,098 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1011 transitions. [2023-11-29 04:55:19,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 337.0) internal successors, (1011), 3 states have internal predecessors, (1011), 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) [2023-11-29 04:55:19,105 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:19,106 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:19,106 INFO L175 Difference]: Start difference. First operand has 313 places, 312 transitions, 637 flow. Second operand 3 states and 1011 transitions. [2023-11-29 04:55:19,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 311 transitions, 671 flow [2023-11-29 04:55:19,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 311 transitions, 670 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:55:19,136 INFO L231 Difference]: Finished difference. Result has 313 places, 311 transitions, 638 flow [2023-11-29 04:55:19,137 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=638, PETRI_PLACES=313, PETRI_TRANSITIONS=311} [2023-11-29 04:55:19,137 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -49 predicate places. [2023-11-29 04:55:19,138 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 311 transitions, 638 flow [2023-11-29 04:55:19,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 332.3333333333333) internal successors, (997), 3 states have internal predecessors, (997), 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) [2023-11-29 04:55:19,138 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:19,139 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:55:19,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 04:55:19,139 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:19,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:19,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1205778762, now seen corresponding path program 1 times [2023-11-29 04:55:19,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:19,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787580827] [2023-11-29 04:55:19,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:19,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:19,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:55:19,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:19,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787580827] [2023-11-29 04:55:19,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787580827] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:19,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:19,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:55:19,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772399458] [2023-11-29 04:55:19,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:19,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:55:19,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:19,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:55:19,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:55:19,218 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 393 [2023-11-29 04:55:19,220 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 311 transitions, 638 flow. Second operand has 3 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 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) [2023-11-29 04:55:19,220 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:19,220 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 393 [2023-11-29 04:55:19,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:19,365 INFO L124 PetriNetUnfolderBase]: 53/640 cut-off events. [2023-11-29 04:55:19,365 INFO L125 PetriNetUnfolderBase]: For 27/29 co-relation queries the response was YES. [2023-11-29 04:55:19,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 758 conditions, 640 events. 53/640 cut-off events. For 27/29 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2543 event pairs, 26 based on Foata normal form. 0/549 useless extension candidates. Maximal degree in co-relation 694. Up to 85 conditions per place. [2023-11-29 04:55:19,372 INFO L140 encePairwiseOnDemand]: 389/393 looper letters, 16 selfloop transitions, 1 changer transitions 0/308 dead transitions. [2023-11-29 04:55:19,372 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 308 transitions, 666 flow [2023-11-29 04:55:19,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:55:19,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:55:19,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1012 transitions. [2023-11-29 04:55:19,377 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8583545377438507 [2023-11-29 04:55:19,377 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1012 transitions. [2023-11-29 04:55:19,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1012 transitions. [2023-11-29 04:55:19,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:19,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1012 transitions. [2023-11-29 04:55:19,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 337.3333333333333) internal successors, (1012), 3 states have internal predecessors, (1012), 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) [2023-11-29 04:55:19,385 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:19,386 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:19,386 INFO L175 Difference]: Start difference. First operand has 313 places, 311 transitions, 638 flow. Second operand 3 states and 1012 transitions. [2023-11-29 04:55:19,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 308 transitions, 666 flow [2023-11-29 04:55:19,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 308 transitions, 662 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:55:19,397 INFO L231 Difference]: Finished difference. Result has 310 places, 308 transitions, 630 flow [2023-11-29 04:55:19,397 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=630, PETRI_PLACES=310, PETRI_TRANSITIONS=308} [2023-11-29 04:55:19,400 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -52 predicate places. [2023-11-29 04:55:19,400 INFO L495 AbstractCegarLoop]: Abstraction has has 310 places, 308 transitions, 630 flow [2023-11-29 04:55:19,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 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) [2023-11-29 04:55:19,401 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:19,401 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:55:19,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 04:55:19,402 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:19,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:19,402 INFO L85 PathProgramCache]: Analyzing trace with hash 317709038, now seen corresponding path program 1 times [2023-11-29 04:55:19,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:19,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390181267] [2023-11-29 04:55:19,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:19,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:19,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:55:19,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:19,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390181267] [2023-11-29 04:55:19,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390181267] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:19,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:19,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:55:19,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335269895] [2023-11-29 04:55:19,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:19,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:55:19,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:19,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:55:19,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:55:20,371 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 393 [2023-11-29 04:55:20,374 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 308 transitions, 630 flow. Second operand has 6 states, 6 states have (on average 326.1666666666667) internal successors, (1957), 6 states have internal predecessors, (1957), 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) [2023-11-29 04:55:20,374 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:20,374 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 393 [2023-11-29 04:55:20,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:20,515 INFO L124 PetriNetUnfolderBase]: 34/500 cut-off events. [2023-11-29 04:55:20,515 INFO L125 PetriNetUnfolderBase]: For 18/20 co-relation queries the response was YES. [2023-11-29 04:55:20,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 581 conditions, 500 events. 34/500 cut-off events. For 18/20 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1585 event pairs, 10 based on Foata normal form. 0/427 useless extension candidates. Maximal degree in co-relation 516. Up to 49 conditions per place. [2023-11-29 04:55:20,519 INFO L140 encePairwiseOnDemand]: 388/393 looper letters, 21 selfloop transitions, 4 changer transitions 0/307 dead transitions. [2023-11-29 04:55:20,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 307 transitions, 678 flow [2023-11-29 04:55:20,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:55:20,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:55:20,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1975 transitions. [2023-11-29 04:55:20,526 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8375742154368109 [2023-11-29 04:55:20,526 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1975 transitions. [2023-11-29 04:55:20,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1975 transitions. [2023-11-29 04:55:20,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:20,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1975 transitions. [2023-11-29 04:55:20,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 329.1666666666667) internal successors, (1975), 6 states have internal predecessors, (1975), 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) [2023-11-29 04:55:20,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 393.0) internal successors, (2751), 7 states have internal predecessors, (2751), 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) [2023-11-29 04:55:20,537 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 393.0) internal successors, (2751), 7 states have internal predecessors, (2751), 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) [2023-11-29 04:55:20,538 INFO L175 Difference]: Start difference. First operand has 310 places, 308 transitions, 630 flow. Second operand 6 states and 1975 transitions. [2023-11-29 04:55:20,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 307 transitions, 678 flow [2023-11-29 04:55:20,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 307 transitions, 677 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:55:20,544 INFO L231 Difference]: Finished difference. Result has 313 places, 307 transitions, 635 flow [2023-11-29 04:55:20,544 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=627, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=635, PETRI_PLACES=313, PETRI_TRANSITIONS=307} [2023-11-29 04:55:20,545 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -49 predicate places. [2023-11-29 04:55:20,545 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 307 transitions, 635 flow [2023-11-29 04:55:20,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 326.1666666666667) internal successors, (1957), 6 states have internal predecessors, (1957), 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) [2023-11-29 04:55:20,546 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:20,546 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:55:20,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 04:55:20,547 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:20,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:20,547 INFO L85 PathProgramCache]: Analyzing trace with hash 313049798, now seen corresponding path program 1 times [2023-11-29 04:55:20,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:20,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709242279] [2023-11-29 04:55:20,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:20,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:20,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:55:20,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:20,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709242279] [2023-11-29 04:55:20,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709242279] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:20,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:20,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:55:20,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416004330] [2023-11-29 04:55:20,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:20,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:55:20,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:20,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:55:20,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:55:20,648 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 393 [2023-11-29 04:55:20,649 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 307 transitions, 635 flow. Second operand has 3 states, 3 states have (on average 332.3333333333333) internal successors, (997), 3 states have internal predecessors, (997), 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) [2023-11-29 04:55:20,650 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:20,650 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 393 [2023-11-29 04:55:20,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:20,804 INFO L124 PetriNetUnfolderBase]: 46/511 cut-off events. [2023-11-29 04:55:20,804 INFO L125 PetriNetUnfolderBase]: For 22/24 co-relation queries the response was YES. [2023-11-29 04:55:20,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 607 conditions, 511 events. 46/511 cut-off events. For 22/24 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1778 event pairs, 16 based on Foata normal form. 0/435 useless extension candidates. Maximal degree in co-relation 542. Up to 72 conditions per place. [2023-11-29 04:55:20,811 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 16 selfloop transitions, 2 changer transitions 0/306 dead transitions. [2023-11-29 04:55:20,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 306 transitions, 669 flow [2023-11-29 04:55:20,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:55:20,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:55:20,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1011 transitions. [2023-11-29 04:55:20,817 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8575063613231552 [2023-11-29 04:55:20,817 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1011 transitions. [2023-11-29 04:55:20,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1011 transitions. [2023-11-29 04:55:20,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:20,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1011 transitions. [2023-11-29 04:55:20,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 337.0) internal successors, (1011), 3 states have internal predecessors, (1011), 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) [2023-11-29 04:55:20,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:20,827 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:20,827 INFO L175 Difference]: Start difference. First operand has 313 places, 307 transitions, 635 flow. Second operand 3 states and 1011 transitions. [2023-11-29 04:55:20,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 306 transitions, 669 flow [2023-11-29 04:55:20,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 306 transitions, 662 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 04:55:20,838 INFO L231 Difference]: Finished difference. Result has 310 places, 306 transitions, 630 flow [2023-11-29 04:55:20,839 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=626, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=630, PETRI_PLACES=310, PETRI_TRANSITIONS=306} [2023-11-29 04:55:20,839 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -52 predicate places. [2023-11-29 04:55:20,840 INFO L495 AbstractCegarLoop]: Abstraction has has 310 places, 306 transitions, 630 flow [2023-11-29 04:55:20,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 332.3333333333333) internal successors, (997), 3 states have internal predecessors, (997), 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) [2023-11-29 04:55:20,840 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:20,841 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:55:20,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 04:55:20,841 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:20,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:20,842 INFO L85 PathProgramCache]: Analyzing trace with hash 967155259, now seen corresponding path program 1 times [2023-11-29 04:55:20,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:20,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837795610] [2023-11-29 04:55:20,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:20,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:20,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:55:20,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:20,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837795610] [2023-11-29 04:55:20,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837795610] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:20,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:20,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:55:20,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077377608] [2023-11-29 04:55:20,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:20,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:55:20,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:20,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:55:20,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:55:20,927 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 393 [2023-11-29 04:55:20,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 306 transitions, 630 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 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) [2023-11-29 04:55:20,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:20,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 393 [2023-11-29 04:55:20,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:21,051 INFO L124 PetriNetUnfolderBase]: 62/598 cut-off events. [2023-11-29 04:55:21,052 INFO L125 PetriNetUnfolderBase]: For 27/29 co-relation queries the response was YES. [2023-11-29 04:55:21,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 714 conditions, 598 events. 62/598 cut-off events. For 27/29 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2295 event pairs, 13 based on Foata normal form. 0/507 useless extension candidates. Maximal degree in co-relation 650. Up to 58 conditions per place. [2023-11-29 04:55:21,058 INFO L140 encePairwiseOnDemand]: 388/393 looper letters, 19 selfloop transitions, 3 changer transitions 0/310 dead transitions. [2023-11-29 04:55:21,058 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 310 transitions, 684 flow [2023-11-29 04:55:21,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:55:21,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:55:21,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1023 transitions. [2023-11-29 04:55:21,062 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8676844783715013 [2023-11-29 04:55:21,062 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1023 transitions. [2023-11-29 04:55:21,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1023 transitions. [2023-11-29 04:55:21,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:21,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1023 transitions. [2023-11-29 04:55:21,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 341.0) internal successors, (1023), 3 states have internal predecessors, (1023), 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) [2023-11-29 04:55:21,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:21,069 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:21,069 INFO L175 Difference]: Start difference. First operand has 310 places, 306 transitions, 630 flow. Second operand 3 states and 1023 transitions. [2023-11-29 04:55:21,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 310 transitions, 684 flow [2023-11-29 04:55:21,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 310 transitions, 680 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:55:21,076 INFO L231 Difference]: Finished difference. Result has 310 places, 306 transitions, 642 flow [2023-11-29 04:55:21,077 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=642, PETRI_PLACES=310, PETRI_TRANSITIONS=306} [2023-11-29 04:55:21,077 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -52 predicate places. [2023-11-29 04:55:21,077 INFO L495 AbstractCegarLoop]: Abstraction has has 310 places, 306 transitions, 642 flow [2023-11-29 04:55:21,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 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) [2023-11-29 04:55:21,078 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:21,078 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:55:21,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 04:55:21,079 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:21,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:21,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1757487143, now seen corresponding path program 1 times [2023-11-29 04:55:21,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:21,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176016897] [2023-11-29 04:55:21,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:21,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:21,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:55:21,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:21,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176016897] [2023-11-29 04:55:21,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176016897] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:21,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:21,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:55:21,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430282620] [2023-11-29 04:55:21,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:21,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:55:21,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:21,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:55:21,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:55:21,149 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 393 [2023-11-29 04:55:21,150 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 306 transitions, 642 flow. Second operand has 3 states, 3 states have (on average 333.3333333333333) internal successors, (1000), 3 states have internal predecessors, (1000), 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) [2023-11-29 04:55:21,150 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:21,150 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 393 [2023-11-29 04:55:21,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:21,288 INFO L124 PetriNetUnfolderBase]: 55/719 cut-off events. [2023-11-29 04:55:21,289 INFO L125 PetriNetUnfolderBase]: For 37/39 co-relation queries the response was YES. [2023-11-29 04:55:21,292 INFO L83 FinitePrefix]: Finished finitePrefix Result has 859 conditions, 719 events. 55/719 cut-off events. For 37/39 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3045 event pairs, 23 based on Foata normal form. 0/615 useless extension candidates. Maximal degree in co-relation 793. Up to 74 conditions per place. [2023-11-29 04:55:21,296 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 15 selfloop transitions, 2 changer transitions 0/305 dead transitions. [2023-11-29 04:55:21,297 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 305 transitions, 674 flow [2023-11-29 04:55:21,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:55:21,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:55:21,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1013 transitions. [2023-11-29 04:55:21,300 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8592027141645462 [2023-11-29 04:55:21,301 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1013 transitions. [2023-11-29 04:55:21,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1013 transitions. [2023-11-29 04:55:21,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:21,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1013 transitions. [2023-11-29 04:55:21,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 337.6666666666667) internal successors, (1013), 3 states have internal predecessors, (1013), 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) [2023-11-29 04:55:21,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:21,326 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:21,327 INFO L175 Difference]: Start difference. First operand has 310 places, 306 transitions, 642 flow. Second operand 3 states and 1013 transitions. [2023-11-29 04:55:21,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 305 transitions, 674 flow [2023-11-29 04:55:21,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 305 transitions, 668 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:55:21,334 INFO L231 Difference]: Finished difference. Result has 309 places, 305 transitions, 638 flow [2023-11-29 04:55:21,335 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=638, PETRI_PLACES=309, PETRI_TRANSITIONS=305} [2023-11-29 04:55:21,336 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -53 predicate places. [2023-11-29 04:55:21,336 INFO L495 AbstractCegarLoop]: Abstraction has has 309 places, 305 transitions, 638 flow [2023-11-29 04:55:21,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 333.3333333333333) internal successors, (1000), 3 states have internal predecessors, (1000), 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) [2023-11-29 04:55:21,336 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:21,337 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:55:21,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 04:55:21,337 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:21,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:21,338 INFO L85 PathProgramCache]: Analyzing trace with hash -749669112, now seen corresponding path program 1 times [2023-11-29 04:55:21,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:21,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891732056] [2023-11-29 04:55:21,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:21,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:21,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:55:21,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:21,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891732056] [2023-11-29 04:55:21,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891732056] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:21,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:21,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:55:21,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993922982] [2023-11-29 04:55:21,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:21,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:55:21,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:21,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:55:21,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:55:21,406 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 393 [2023-11-29 04:55:21,407 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 305 transitions, 638 flow. Second operand has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 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) [2023-11-29 04:55:21,408 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:21,408 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 393 [2023-11-29 04:55:21,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:21,612 INFO L124 PetriNetUnfolderBase]: 78/865 cut-off events. [2023-11-29 04:55:21,612 INFO L125 PetriNetUnfolderBase]: For 29/37 co-relation queries the response was YES. [2023-11-29 04:55:21,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1049 conditions, 865 events. 78/865 cut-off events. For 29/37 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 4191 event pairs, 28 based on Foata normal form. 1/749 useless extension candidates. Maximal degree in co-relation 984. Up to 106 conditions per place. [2023-11-29 04:55:21,622 INFO L140 encePairwiseOnDemand]: 386/393 looper letters, 18 selfloop transitions, 4 changer transitions 0/308 dead transitions. [2023-11-29 04:55:21,622 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 308 transitions, 693 flow [2023-11-29 04:55:21,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:55:21,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:55:21,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1019 transitions. [2023-11-29 04:55:21,626 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8642917726887193 [2023-11-29 04:55:21,627 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1019 transitions. [2023-11-29 04:55:21,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1019 transitions. [2023-11-29 04:55:21,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:21,628 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1019 transitions. [2023-11-29 04:55:21,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 339.6666666666667) internal successors, (1019), 3 states have internal predecessors, (1019), 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) [2023-11-29 04:55:21,634 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:21,634 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:21,635 INFO L175 Difference]: Start difference. First operand has 309 places, 305 transitions, 638 flow. Second operand 3 states and 1019 transitions. [2023-11-29 04:55:21,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 308 transitions, 693 flow [2023-11-29 04:55:21,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 308 transitions, 689 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:55:21,644 INFO L231 Difference]: Finished difference. Result has 307 places, 305 transitions, 652 flow [2023-11-29 04:55:21,645 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=652, PETRI_PLACES=307, PETRI_TRANSITIONS=305} [2023-11-29 04:55:21,645 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -55 predicate places. [2023-11-29 04:55:21,645 INFO L495 AbstractCegarLoop]: Abstraction has has 307 places, 305 transitions, 652 flow [2023-11-29 04:55:21,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 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) [2023-11-29 04:55:21,646 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:21,646 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:55:21,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 04:55:21,647 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:21,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:21,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1302441450, now seen corresponding path program 1 times [2023-11-29 04:55:21,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:21,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341577538] [2023-11-29 04:55:21,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:21,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:21,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:55:21,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:21,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341577538] [2023-11-29 04:55:21,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341577538] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:21,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:21,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:55:21,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675784577] [2023-11-29 04:55:21,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:21,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:55:21,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:21,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:55:21,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:55:21,762 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 393 [2023-11-29 04:55:21,763 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 305 transitions, 652 flow. Second operand has 3 states, 3 states have (on average 335.3333333333333) internal successors, (1006), 3 states have internal predecessors, (1006), 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) [2023-11-29 04:55:21,763 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:21,763 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 393 [2023-11-29 04:55:21,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:21,934 INFO L124 PetriNetUnfolderBase]: 63/676 cut-off events. [2023-11-29 04:55:21,934 INFO L125 PetriNetUnfolderBase]: For 74/89 co-relation queries the response was YES. [2023-11-29 04:55:21,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 875 conditions, 676 events. 63/676 cut-off events. For 74/89 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3111 event pairs, 17 based on Foata normal form. 3/595 useless extension candidates. Maximal degree in co-relation 809. Up to 69 conditions per place. [2023-11-29 04:55:21,942 INFO L140 encePairwiseOnDemand]: 388/393 looper letters, 16 selfloop transitions, 2 changer transitions 3/306 dead transitions. [2023-11-29 04:55:21,942 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 306 transitions, 698 flow [2023-11-29 04:55:21,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:55:21,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:55:21,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1018 transitions. [2023-11-29 04:55:21,946 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8634435962680237 [2023-11-29 04:55:21,946 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1018 transitions. [2023-11-29 04:55:21,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1018 transitions. [2023-11-29 04:55:21,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:21,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1018 transitions. [2023-11-29 04:55:21,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 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) [2023-11-29 04:55:21,953 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:21,954 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:21,954 INFO L175 Difference]: Start difference. First operand has 307 places, 305 transitions, 652 flow. Second operand 3 states and 1018 transitions. [2023-11-29 04:55:21,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 306 transitions, 698 flow [2023-11-29 04:55:21,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 306 transitions, 693 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:55:21,963 INFO L231 Difference]: Finished difference. Result has 306 places, 300 transitions, 641 flow [2023-11-29 04:55:21,963 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=641, PETRI_PLACES=306, PETRI_TRANSITIONS=300} [2023-11-29 04:55:21,964 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -56 predicate places. [2023-11-29 04:55:21,964 INFO L495 AbstractCegarLoop]: Abstraction has has 306 places, 300 transitions, 641 flow [2023-11-29 04:55:21,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 335.3333333333333) internal successors, (1006), 3 states have internal predecessors, (1006), 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) [2023-11-29 04:55:21,965 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:21,965 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:55:21,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 04:55:21,965 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:21,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:21,966 INFO L85 PathProgramCache]: Analyzing trace with hash -411573279, now seen corresponding path program 1 times [2023-11-29 04:55:21,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:21,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013004922] [2023-11-29 04:55:21,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:21,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:22,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:55:22,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:22,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013004922] [2023-11-29 04:55:22,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013004922] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:22,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:22,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:55:22,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662860507] [2023-11-29 04:55:22,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:22,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:55:22,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:22,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:55:22,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:55:22,979 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 393 [2023-11-29 04:55:22,985 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 300 transitions, 641 flow. Second operand has 6 states, 6 states have (on average 324.5) internal successors, (1947), 6 states have internal predecessors, (1947), 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) [2023-11-29 04:55:22,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:22,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 393 [2023-11-29 04:55:22,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:23,553 INFO L124 PetriNetUnfolderBase]: 278/1729 cut-off events. [2023-11-29 04:55:23,553 INFO L125 PetriNetUnfolderBase]: For 193/213 co-relation queries the response was YES. [2023-11-29 04:55:23,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2451 conditions, 1729 events. 278/1729 cut-off events. For 193/213 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 12365 event pairs, 37 based on Foata normal form. 0/1507 useless extension candidates. Maximal degree in co-relation 2383. Up to 139 conditions per place. [2023-11-29 04:55:23,578 INFO L140 encePairwiseOnDemand]: 388/393 looper letters, 54 selfloop transitions, 4 changer transitions 0/331 dead transitions. [2023-11-29 04:55:23,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 331 transitions, 875 flow [2023-11-29 04:55:23,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:55:23,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:55:23,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1982 transitions. [2023-11-29 04:55:23,587 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8405428329092451 [2023-11-29 04:55:23,587 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1982 transitions. [2023-11-29 04:55:23,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1982 transitions. [2023-11-29 04:55:23,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:23,590 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1982 transitions. [2023-11-29 04:55:23,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 330.3333333333333) internal successors, (1982), 6 states have internal predecessors, (1982), 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) [2023-11-29 04:55:23,602 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 393.0) internal successors, (2751), 7 states have internal predecessors, (2751), 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) [2023-11-29 04:55:23,604 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 393.0) internal successors, (2751), 7 states have internal predecessors, (2751), 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) [2023-11-29 04:55:23,604 INFO L175 Difference]: Start difference. First operand has 306 places, 300 transitions, 641 flow. Second operand 6 states and 1982 transitions. [2023-11-29 04:55:23,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 331 transitions, 875 flow [2023-11-29 04:55:23,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 331 transitions, 871 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:55:23,614 INFO L231 Difference]: Finished difference. Result has 305 places, 299 transitions, 643 flow [2023-11-29 04:55:23,615 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=643, PETRI_PLACES=305, PETRI_TRANSITIONS=299} [2023-11-29 04:55:23,616 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -57 predicate places. [2023-11-29 04:55:23,616 INFO L495 AbstractCegarLoop]: Abstraction has has 305 places, 299 transitions, 643 flow [2023-11-29 04:55:23,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 324.5) internal successors, (1947), 6 states have internal predecessors, (1947), 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) [2023-11-29 04:55:23,617 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:23,618 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:55:23,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 04:55:23,618 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:23,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:23,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1348333647, now seen corresponding path program 1 times [2023-11-29 04:55:23,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:23,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030065540] [2023-11-29 04:55:23,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:23,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:23,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:55:23,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:23,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030065540] [2023-11-29 04:55:23,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030065540] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:23,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:23,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 04:55:23,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729687093] [2023-11-29 04:55:23,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:23,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 04:55:23,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:23,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 04:55:23,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:55:24,368 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 393 [2023-11-29 04:55:24,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 299 transitions, 643 flow. Second operand has 7 states, 7 states have (on average 321.0) internal successors, (2247), 7 states have internal predecessors, (2247), 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) [2023-11-29 04:55:24,372 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:24,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 393 [2023-11-29 04:55:24,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:24,740 INFO L124 PetriNetUnfolderBase]: 91/1251 cut-off events. [2023-11-29 04:55:24,740 INFO L125 PetriNetUnfolderBase]: For 77/83 co-relation queries the response was YES. [2023-11-29 04:55:24,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1546 conditions, 1251 events. 91/1251 cut-off events. For 77/83 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 6628 event pairs, 19 based on Foata normal form. 0/1116 useless extension candidates. Maximal degree in co-relation 1477. Up to 65 conditions per place. [2023-11-29 04:55:24,749 INFO L140 encePairwiseOnDemand]: 379/393 looper letters, 43 selfloop transitions, 15 changer transitions 0/323 dead transitions. [2023-11-29 04:55:24,750 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 323 transitions, 833 flow [2023-11-29 04:55:24,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 04:55:24,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-29 04:55:24,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3232 transitions. [2023-11-29 04:55:24,760 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8223918575063613 [2023-11-29 04:55:24,760 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 3232 transitions. [2023-11-29 04:55:24,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 3232 transitions. [2023-11-29 04:55:24,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:24,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 3232 transitions. [2023-11-29 04:55:24,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 323.2) internal successors, (3232), 10 states have internal predecessors, (3232), 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) [2023-11-29 04:55:24,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 393.0) internal successors, (4323), 11 states have internal predecessors, (4323), 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) [2023-11-29 04:55:24,777 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 393.0) internal successors, (4323), 11 states have internal predecessors, (4323), 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) [2023-11-29 04:55:24,777 INFO L175 Difference]: Start difference. First operand has 305 places, 299 transitions, 643 flow. Second operand 10 states and 3232 transitions. [2023-11-29 04:55:24,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 323 transitions, 833 flow [2023-11-29 04:55:24,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 323 transitions, 826 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 04:55:24,783 INFO L231 Difference]: Finished difference. Result has 314 places, 306 transitions, 710 flow [2023-11-29 04:55:24,783 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=710, PETRI_PLACES=314, PETRI_TRANSITIONS=306} [2023-11-29 04:55:24,784 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -48 predicate places. [2023-11-29 04:55:24,784 INFO L495 AbstractCegarLoop]: Abstraction has has 314 places, 306 transitions, 710 flow [2023-11-29 04:55:24,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 321.0) internal successors, (2247), 7 states have internal predecessors, (2247), 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) [2023-11-29 04:55:24,785 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:24,785 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:55:24,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 04:55:24,785 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:24,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:24,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1280942063, now seen corresponding path program 1 times [2023-11-29 04:55:24,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:24,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147511300] [2023-11-29 04:55:24,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:24,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:24,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:55:24,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:24,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147511300] [2023-11-29 04:55:24,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147511300] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:24,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:24,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:55:24,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384236415] [2023-11-29 04:55:24,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:24,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:55:24,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:24,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:55:24,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:55:24,842 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 393 [2023-11-29 04:55:24,843 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 306 transitions, 710 flow. Second operand has 3 states, 3 states have (on average 337.0) internal successors, (1011), 3 states have internal predecessors, (1011), 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) [2023-11-29 04:55:24,844 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:24,844 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 393 [2023-11-29 04:55:24,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:25,161 INFO L124 PetriNetUnfolderBase]: 119/1479 cut-off events. [2023-11-29 04:55:25,161 INFO L125 PetriNetUnfolderBase]: For 161/175 co-relation queries the response was YES. [2023-11-29 04:55:25,171 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1925 conditions, 1479 events. 119/1479 cut-off events. For 161/175 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 8603 event pairs, 29 based on Foata normal form. 0/1327 useless extension candidates. Maximal degree in co-relation 1850. Up to 132 conditions per place. [2023-11-29 04:55:25,179 INFO L140 encePairwiseOnDemand]: 388/393 looper letters, 18 selfloop transitions, 3 changer transitions 0/309 dead transitions. [2023-11-29 04:55:25,179 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 309 transitions, 768 flow [2023-11-29 04:55:25,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:55:25,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:55:25,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1024 transitions. [2023-11-29 04:55:25,184 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8685326547921968 [2023-11-29 04:55:25,184 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1024 transitions. [2023-11-29 04:55:25,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1024 transitions. [2023-11-29 04:55:25,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:25,186 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1024 transitions. [2023-11-29 04:55:25,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 341.3333333333333) internal successors, (1024), 3 states have internal predecessors, (1024), 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) [2023-11-29 04:55:25,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:25,193 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:25,194 INFO L175 Difference]: Start difference. First operand has 314 places, 306 transitions, 710 flow. Second operand 3 states and 1024 transitions. [2023-11-29 04:55:25,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 309 transitions, 768 flow [2023-11-29 04:55:25,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 309 transitions, 761 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:55:25,203 INFO L231 Difference]: Finished difference. Result has 313 places, 305 transitions, 713 flow [2023-11-29 04:55:25,204 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=700, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=713, PETRI_PLACES=313, PETRI_TRANSITIONS=305} [2023-11-29 04:55:25,204 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -49 predicate places. [2023-11-29 04:55:25,205 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 305 transitions, 713 flow [2023-11-29 04:55:25,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 337.0) internal successors, (1011), 3 states have internal predecessors, (1011), 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) [2023-11-29 04:55:25,205 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:25,206 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:55:25,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 04:55:25,206 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:25,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:25,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1279987757, now seen corresponding path program 1 times [2023-11-29 04:55:25,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:25,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846479327] [2023-11-29 04:55:25,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:25,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:25,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:55:25,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:25,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846479327] [2023-11-29 04:55:25,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846479327] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:25,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:25,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:55:25,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331117483] [2023-11-29 04:55:25,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:25,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:55:25,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:25,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:55:25,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:55:25,310 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 393 [2023-11-29 04:55:25,311 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 305 transitions, 713 flow. Second operand has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 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) [2023-11-29 04:55:25,312 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:25,312 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 393 [2023-11-29 04:55:25,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:25,642 INFO L124 PetriNetUnfolderBase]: 160/1188 cut-off events. [2023-11-29 04:55:25,642 INFO L125 PetriNetUnfolderBase]: For 254/288 co-relation queries the response was YES. [2023-11-29 04:55:25,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1833 conditions, 1188 events. 160/1188 cut-off events. For 254/288 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 7245 event pairs, 67 based on Foata normal form. 0/1093 useless extension candidates. Maximal degree in co-relation 1758. Up to 222 conditions per place. [2023-11-29 04:55:25,669 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 20 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2023-11-29 04:55:25,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 308 transitions, 772 flow [2023-11-29 04:55:25,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:55:25,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:55:25,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1017 transitions. [2023-11-29 04:55:25,674 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8625954198473282 [2023-11-29 04:55:25,674 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1017 transitions. [2023-11-29 04:55:25,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1017 transitions. [2023-11-29 04:55:25,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:25,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1017 transitions. [2023-11-29 04:55:25,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 339.0) internal successors, (1017), 3 states have internal predecessors, (1017), 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) [2023-11-29 04:55:25,683 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:25,684 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:25,684 INFO L175 Difference]: Start difference. First operand has 313 places, 305 transitions, 713 flow. Second operand 3 states and 1017 transitions. [2023-11-29 04:55:25,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 308 transitions, 772 flow [2023-11-29 04:55:25,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 308 transitions, 765 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-11-29 04:55:25,696 INFO L231 Difference]: Finished difference. Result has 312 places, 304 transitions, 708 flow [2023-11-29 04:55:25,696 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=704, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=708, PETRI_PLACES=312, PETRI_TRANSITIONS=304} [2023-11-29 04:55:25,697 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -50 predicate places. [2023-11-29 04:55:25,697 INFO L495 AbstractCegarLoop]: Abstraction has has 312 places, 304 transitions, 708 flow [2023-11-29 04:55:25,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 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) [2023-11-29 04:55:25,698 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:25,698 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:55:25,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 04:55:25,699 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:25,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:25,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1586864615, now seen corresponding path program 1 times [2023-11-29 04:55:25,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:25,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473079540] [2023-11-29 04:55:25,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:25,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:25,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:55:25,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:25,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473079540] [2023-11-29 04:55:25,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473079540] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:25,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:25,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:55:25,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960076876] [2023-11-29 04:55:25,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:25,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:55:25,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:25,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:55:25,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:55:25,829 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 393 [2023-11-29 04:55:25,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 304 transitions, 708 flow. Second operand has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 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) [2023-11-29 04:55:25,830 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:25,830 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 393 [2023-11-29 04:55:25,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:26,129 INFO L124 PetriNetUnfolderBase]: 112/1124 cut-off events. [2023-11-29 04:55:26,129 INFO L125 PetriNetUnfolderBase]: For 149/170 co-relation queries the response was YES. [2023-11-29 04:55:26,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1636 conditions, 1124 events. 112/1124 cut-off events. For 149/170 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 6165 event pairs, 45 based on Foata normal form. 0/1050 useless extension candidates. Maximal degree in co-relation 1562. Up to 168 conditions per place. [2023-11-29 04:55:26,139 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 22 selfloop transitions, 3 changer transitions 0/307 dead transitions. [2023-11-29 04:55:26,140 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 307 transitions, 773 flow [2023-11-29 04:55:26,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:55:26,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:55:26,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1018 transitions. [2023-11-29 04:55:26,143 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8634435962680237 [2023-11-29 04:55:26,144 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1018 transitions. [2023-11-29 04:55:26,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1018 transitions. [2023-11-29 04:55:26,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:26,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1018 transitions. [2023-11-29 04:55:26,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 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) [2023-11-29 04:55:26,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:26,151 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:26,151 INFO L175 Difference]: Start difference. First operand has 312 places, 304 transitions, 708 flow. Second operand 3 states and 1018 transitions. [2023-11-29 04:55:26,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 307 transitions, 773 flow [2023-11-29 04:55:26,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 307 transitions, 769 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:55:26,160 INFO L231 Difference]: Finished difference. Result has 311 places, 303 transitions, 708 flow [2023-11-29 04:55:26,160 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=702, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=708, PETRI_PLACES=311, PETRI_TRANSITIONS=303} [2023-11-29 04:55:26,161 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -51 predicate places. [2023-11-29 04:55:26,161 INFO L495 AbstractCegarLoop]: Abstraction has has 311 places, 303 transitions, 708 flow [2023-11-29 04:55:26,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 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) [2023-11-29 04:55:26,161 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:26,162 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:55:26,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 04:55:26,162 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:26,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:26,162 INFO L85 PathProgramCache]: Analyzing trace with hash 403335043, now seen corresponding path program 1 times [2023-11-29 04:55:26,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:26,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124942841] [2023-11-29 04:55:26,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:26,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:26,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:55:26,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:26,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124942841] [2023-11-29 04:55:26,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124942841] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:26,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:26,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:55:26,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900414480] [2023-11-29 04:55:26,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:26,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:55:26,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:26,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:55:26,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:55:27,064 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 393 [2023-11-29 04:55:27,065 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 303 transitions, 708 flow. Second operand has 6 states, 6 states have (on average 324.6666666666667) internal successors, (1948), 6 states have internal predecessors, (1948), 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) [2023-11-29 04:55:27,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:27,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 393 [2023-11-29 04:55:27,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:27,444 INFO L124 PetriNetUnfolderBase]: 113/1162 cut-off events. [2023-11-29 04:55:27,444 INFO L125 PetriNetUnfolderBase]: For 148/162 co-relation queries the response was YES. [2023-11-29 04:55:27,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1621 conditions, 1162 events. 113/1162 cut-off events. For 148/162 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5932 event pairs, 24 based on Foata normal form. 0/1090 useless extension candidates. Maximal degree in co-relation 1545. Up to 99 conditions per place. [2023-11-29 04:55:27,453 INFO L140 encePairwiseOnDemand]: 388/393 looper letters, 22 selfloop transitions, 0 changer transitions 27/318 dead transitions. [2023-11-29 04:55:27,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 318 transitions, 852 flow [2023-11-29 04:55:27,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:55:27,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:55:27,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1974 transitions. [2023-11-29 04:55:27,460 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8371501272264631 [2023-11-29 04:55:27,461 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1974 transitions. [2023-11-29 04:55:27,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1974 transitions. [2023-11-29 04:55:27,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:27,464 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1974 transitions. [2023-11-29 04:55:27,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 329.0) internal successors, (1974), 6 states have internal predecessors, (1974), 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) [2023-11-29 04:55:27,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 393.0) internal successors, (2751), 7 states have internal predecessors, (2751), 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) [2023-11-29 04:55:27,478 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 393.0) internal successors, (2751), 7 states have internal predecessors, (2751), 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) [2023-11-29 04:55:27,478 INFO L175 Difference]: Start difference. First operand has 311 places, 303 transitions, 708 flow. Second operand 6 states and 1974 transitions. [2023-11-29 04:55:27,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 318 transitions, 852 flow [2023-11-29 04:55:27,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 318 transitions, 846 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:55:27,488 INFO L231 Difference]: Finished difference. Result has 313 places, 291 transitions, 667 flow [2023-11-29 04:55:27,488 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=700, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=667, PETRI_PLACES=313, PETRI_TRANSITIONS=291} [2023-11-29 04:55:27,489 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -49 predicate places. [2023-11-29 04:55:27,489 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 291 transitions, 667 flow [2023-11-29 04:55:27,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 324.6666666666667) internal successors, (1948), 6 states have internal predecessors, (1948), 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) [2023-11-29 04:55:27,490 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:27,490 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:55:27,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 04:55:27,491 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:27,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:27,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1026092892, now seen corresponding path program 1 times [2023-11-29 04:55:27,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:27,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067506814] [2023-11-29 04:55:27,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:27,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:28,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 04:55:28,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:28,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067506814] [2023-11-29 04:55:28,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067506814] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:28,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:28,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:55:28,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339096616] [2023-11-29 04:55:28,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:28,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:55:28,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:28,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:55:28,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:55:28,420 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 393 [2023-11-29 04:55:28,422 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 291 transitions, 667 flow. Second operand has 6 states, 6 states have (on average 320.1666666666667) internal successors, (1921), 6 states have internal predecessors, (1921), 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) [2023-11-29 04:55:28,422 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:28,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 393 [2023-11-29 04:55:28,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:28,872 INFO L124 PetriNetUnfolderBase]: 168/1140 cut-off events. [2023-11-29 04:55:28,873 INFO L125 PetriNetUnfolderBase]: For 163/167 co-relation queries the response was YES. [2023-11-29 04:55:28,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1683 conditions, 1140 events. 168/1140 cut-off events. For 163/167 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 6402 event pairs, 14 based on Foata normal form. 0/1068 useless extension candidates. Maximal degree in co-relation 1673. Up to 176 conditions per place. [2023-11-29 04:55:28,884 INFO L140 encePairwiseOnDemand]: 386/393 looper letters, 47 selfloop transitions, 6 changer transitions 0/309 dead transitions. [2023-11-29 04:55:28,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 309 transitions, 841 flow [2023-11-29 04:55:28,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:55:28,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:55:28,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1955 transitions. [2023-11-29 04:55:28,892 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8290924512298559 [2023-11-29 04:55:28,892 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1955 transitions. [2023-11-29 04:55:28,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1955 transitions. [2023-11-29 04:55:28,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:28,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1955 transitions. [2023-11-29 04:55:28,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 325.8333333333333) internal successors, (1955), 6 states have internal predecessors, (1955), 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) [2023-11-29 04:55:28,903 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 393.0) internal successors, (2751), 7 states have internal predecessors, (2751), 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) [2023-11-29 04:55:28,904 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 393.0) internal successors, (2751), 7 states have internal predecessors, (2751), 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) [2023-11-29 04:55:28,904 INFO L175 Difference]: Start difference. First operand has 313 places, 291 transitions, 667 flow. Second operand 6 states and 1955 transitions. [2023-11-29 04:55:28,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 309 transitions, 841 flow [2023-11-29 04:55:28,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 309 transitions, 826 flow, removed 2 selfloop flow, removed 4 redundant places. [2023-11-29 04:55:28,914 INFO L231 Difference]: Finished difference. Result has 298 places, 289 transitions, 660 flow [2023-11-29 04:55:28,915 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=660, PETRI_PLACES=298, PETRI_TRANSITIONS=289} [2023-11-29 04:55:28,915 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -64 predicate places. [2023-11-29 04:55:28,915 INFO L495 AbstractCegarLoop]: Abstraction has has 298 places, 289 transitions, 660 flow [2023-11-29 04:55:28,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 320.1666666666667) internal successors, (1921), 6 states have internal predecessors, (1921), 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) [2023-11-29 04:55:28,916 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:28,917 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:55:28,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 04:55:28,917 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:28,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:28,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1767164834, now seen corresponding path program 1 times [2023-11-29 04:55:28,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:28,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725058129] [2023-11-29 04:55:28,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:28,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:29,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 04:55:29,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:29,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725058129] [2023-11-29 04:55:29,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725058129] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:29,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:29,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:55:29,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965764626] [2023-11-29 04:55:29,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:29,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:55:29,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:29,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:55:29,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:55:29,019 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 393 [2023-11-29 04:55:29,020 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 289 transitions, 660 flow. Second operand has 3 states, 3 states have (on average 337.3333333333333) internal successors, (1012), 3 states have internal predecessors, (1012), 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) [2023-11-29 04:55:29,020 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:29,021 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 393 [2023-11-29 04:55:29,021 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:29,324 INFO L124 PetriNetUnfolderBase]: 113/1203 cut-off events. [2023-11-29 04:55:29,324 INFO L125 PetriNetUnfolderBase]: For 208/212 co-relation queries the response was YES. [2023-11-29 04:55:29,333 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1657 conditions, 1203 events. 113/1203 cut-off events. For 208/212 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6551 event pairs, 21 based on Foata normal form. 0/1147 useless extension candidates. Maximal degree in co-relation 1648. Up to 103 conditions per place. [2023-11-29 04:55:29,337 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 25 selfloop transitions, 2 changer transitions 0/299 dead transitions. [2023-11-29 04:55:29,337 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 299 transitions, 759 flow [2023-11-29 04:55:29,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:55:29,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:55:29,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1028 transitions. [2023-11-29 04:55:29,343 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8719253604749788 [2023-11-29 04:55:29,343 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1028 transitions. [2023-11-29 04:55:29,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1028 transitions. [2023-11-29 04:55:29,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:29,344 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1028 transitions. [2023-11-29 04:55:29,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 342.6666666666667) internal successors, (1028), 3 states have internal predecessors, (1028), 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) [2023-11-29 04:55:29,349 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:29,349 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:29,351 INFO L175 Difference]: Start difference. First operand has 298 places, 289 transitions, 660 flow. Second operand 3 states and 1028 transitions. [2023-11-29 04:55:29,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 299 transitions, 759 flow [2023-11-29 04:55:29,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 299 transitions, 743 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 04:55:29,361 INFO L231 Difference]: Finished difference. Result has 295 places, 289 transitions, 656 flow [2023-11-29 04:55:29,362 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=656, PETRI_PLACES=295, PETRI_TRANSITIONS=289} [2023-11-29 04:55:29,363 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -67 predicate places. [2023-11-29 04:55:29,363 INFO L495 AbstractCegarLoop]: Abstraction has has 295 places, 289 transitions, 656 flow [2023-11-29 04:55:29,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 337.3333333333333) internal successors, (1012), 3 states have internal predecessors, (1012), 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) [2023-11-29 04:55:29,363 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:55:29,364 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:55:29,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 04:55:29,364 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread1Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-29 04:55:29,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:29,365 INFO L85 PathProgramCache]: Analyzing trace with hash 192633437, now seen corresponding path program 1 times [2023-11-29 04:55:29,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:29,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353337097] [2023-11-29 04:55:29,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:29,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:29,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 04:55:29,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:29,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353337097] [2023-11-29 04:55:29,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353337097] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:29,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:29,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:55:29,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412128173] [2023-11-29 04:55:29,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:29,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:55:29,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:29,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:55:29,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:55:29,483 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 393 [2023-11-29 04:55:29,484 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 289 transitions, 656 flow. Second operand has 3 states, 3 states have (on average 336.3333333333333) internal successors, (1009), 3 states have internal predecessors, (1009), 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) [2023-11-29 04:55:29,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:55:29,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 393 [2023-11-29 04:55:29,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:55:29,813 INFO L124 PetriNetUnfolderBase]: 153/1407 cut-off events. [2023-11-29 04:55:29,814 INFO L125 PetriNetUnfolderBase]: For 188/203 co-relation queries the response was YES. [2023-11-29 04:55:29,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1956 conditions, 1407 events. 153/1407 cut-off events. For 188/203 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 8409 event pairs, 60 based on Foata normal form. 1/1332 useless extension candidates. Maximal degree in co-relation 1947. Up to 175 conditions per place. [2023-11-29 04:55:29,824 INFO L140 encePairwiseOnDemand]: 390/393 looper letters, 0 selfloop transitions, 0 changer transitions 293/293 dead transitions. [2023-11-29 04:55:29,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 293 transitions, 720 flow [2023-11-29 04:55:29,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:55:29,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:55:29,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1021 transitions. [2023-11-29 04:55:29,828 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8659881255301103 [2023-11-29 04:55:29,828 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1021 transitions. [2023-11-29 04:55:29,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1021 transitions. [2023-11-29 04:55:29,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:55:29,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1021 transitions. [2023-11-29 04:55:29,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 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) [2023-11-29 04:55:29,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:29,833 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 393.0) internal successors, (1572), 4 states have internal predecessors, (1572), 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) [2023-11-29 04:55:29,833 INFO L175 Difference]: Start difference. First operand has 295 places, 289 transitions, 656 flow. Second operand 3 states and 1021 transitions. [2023-11-29 04:55:29,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 293 transitions, 720 flow [2023-11-29 04:55:29,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 293 transitions, 718 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:55:29,839 INFO L231 Difference]: Finished difference. Result has 295 places, 0 transitions, 0 flow [2023-11-29 04:55:29,840 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=393, PETRI_DIFFERENCE_MINUEND_FLOW=652, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=295, PETRI_TRANSITIONS=0} [2023-11-29 04:55:29,840 INFO L281 CegarLoopForPetriNet]: 362 programPoint places, -67 predicate places. [2023-11-29 04:55:29,840 INFO L495 AbstractCegarLoop]: Abstraction has has 295 places, 0 transitions, 0 flow [2023-11-29 04:55:29,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 336.3333333333333) internal successors, (1009), 3 states have internal predecessors, (1009), 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) [2023-11-29 04:55:29,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (118 of 119 remaining) [2023-11-29 04:55:29,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (117 of 119 remaining) [2023-11-29 04:55:29,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (116 of 119 remaining) [2023-11-29 04:55:29,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (115 of 119 remaining) [2023-11-29 04:55:29,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (114 of 119 remaining) [2023-11-29 04:55:29,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (113 of 119 remaining) [2023-11-29 04:55:29,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (112 of 119 remaining) [2023-11-29 04:55:29,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (111 of 119 remaining) [2023-11-29 04:55:29,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (110 of 119 remaining) [2023-11-29 04:55:29,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (109 of 119 remaining) [2023-11-29 04:55:29,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (108 of 119 remaining) [2023-11-29 04:55:29,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (107 of 119 remaining) [2023-11-29 04:55:29,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (106 of 119 remaining) [2023-11-29 04:55:29,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (105 of 119 remaining) [2023-11-29 04:55:29,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (104 of 119 remaining) [2023-11-29 04:55:29,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (103 of 119 remaining) [2023-11-29 04:55:29,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (102 of 119 remaining) [2023-11-29 04:55:29,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (101 of 119 remaining) [2023-11-29 04:55:29,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (100 of 119 remaining) [2023-11-29 04:55:29,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (99 of 119 remaining) [2023-11-29 04:55:29,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (98 of 119 remaining) [2023-11-29 04:55:29,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (97 of 119 remaining) [2023-11-29 04:55:29,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (96 of 119 remaining) [2023-11-29 04:55:29,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (95 of 119 remaining) [2023-11-29 04:55:29,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (94 of 119 remaining) [2023-11-29 04:55:29,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (93 of 119 remaining) [2023-11-29 04:55:29,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (92 of 119 remaining) [2023-11-29 04:55:29,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (91 of 119 remaining) [2023-11-29 04:55:29,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (90 of 119 remaining) [2023-11-29 04:55:29,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (89 of 119 remaining) [2023-11-29 04:55:29,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (88 of 119 remaining) [2023-11-29 04:55:29,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (87 of 119 remaining) [2023-11-29 04:55:29,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (86 of 119 remaining) [2023-11-29 04:55:29,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (85 of 119 remaining) [2023-11-29 04:55:29,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (84 of 119 remaining) [2023-11-29 04:55:29,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (83 of 119 remaining) [2023-11-29 04:55:29,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (82 of 119 remaining) [2023-11-29 04:55:29,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (81 of 119 remaining) [2023-11-29 04:55:29,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (80 of 119 remaining) [2023-11-29 04:55:29,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (79 of 119 remaining) [2023-11-29 04:55:29,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (78 of 119 remaining) [2023-11-29 04:55:29,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (77 of 119 remaining) [2023-11-29 04:55:29,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (76 of 119 remaining) [2023-11-29 04:55:29,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (75 of 119 remaining) [2023-11-29 04:55:29,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (74 of 119 remaining) [2023-11-29 04:55:29,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (73 of 119 remaining) [2023-11-29 04:55:29,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (72 of 119 remaining) [2023-11-29 04:55:29,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (71 of 119 remaining) [2023-11-29 04:55:29,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (70 of 119 remaining) [2023-11-29 04:55:29,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (69 of 119 remaining) [2023-11-29 04:55:29,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (68 of 119 remaining) [2023-11-29 04:55:29,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (67 of 119 remaining) [2023-11-29 04:55:29,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (66 of 119 remaining) [2023-11-29 04:55:29,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (65 of 119 remaining) [2023-11-29 04:55:29,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (64 of 119 remaining) [2023-11-29 04:55:29,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (63 of 119 remaining) [2023-11-29 04:55:29,854 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (62 of 119 remaining) [2023-11-29 04:55:29,854 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (61 of 119 remaining) [2023-11-29 04:55:29,854 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (60 of 119 remaining) [2023-11-29 04:55:29,854 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (59 of 119 remaining) [2023-11-29 04:55:29,854 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (58 of 119 remaining) [2023-11-29 04:55:29,854 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (57 of 119 remaining) [2023-11-29 04:55:29,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (56 of 119 remaining) [2023-11-29 04:55:29,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (55 of 119 remaining) [2023-11-29 04:55:29,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (54 of 119 remaining) [2023-11-29 04:55:29,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (53 of 119 remaining) [2023-11-29 04:55:29,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (52 of 119 remaining) [2023-11-29 04:55:29,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (51 of 119 remaining) [2023-11-29 04:55:29,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (50 of 119 remaining) [2023-11-29 04:55:29,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 119 remaining) [2023-11-29 04:55:29,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 119 remaining) [2023-11-29 04:55:29,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 119 remaining) [2023-11-29 04:55:29,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 119 remaining) [2023-11-29 04:55:29,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 119 remaining) [2023-11-29 04:55:29,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 119 remaining) [2023-11-29 04:55:29,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (43 of 119 remaining) [2023-11-29 04:55:29,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (42 of 119 remaining) [2023-11-29 04:55:29,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (41 of 119 remaining) [2023-11-29 04:55:29,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (40 of 119 remaining) [2023-11-29 04:55:29,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (39 of 119 remaining) [2023-11-29 04:55:29,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (38 of 119 remaining) [2023-11-29 04:55:29,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (37 of 119 remaining) [2023-11-29 04:55:29,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (36 of 119 remaining) [2023-11-29 04:55:29,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (35 of 119 remaining) [2023-11-29 04:55:29,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (34 of 119 remaining) [2023-11-29 04:55:29,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (33 of 119 remaining) [2023-11-29 04:55:29,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (32 of 119 remaining) [2023-11-29 04:55:29,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (31 of 119 remaining) [2023-11-29 04:55:29,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (30 of 119 remaining) [2023-11-29 04:55:29,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (29 of 119 remaining) [2023-11-29 04:55:29,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (28 of 119 remaining) [2023-11-29 04:55:29,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (27 of 119 remaining) [2023-11-29 04:55:29,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (26 of 119 remaining) [2023-11-29 04:55:29,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (25 of 119 remaining) [2023-11-29 04:55:29,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 119 remaining) [2023-11-29 04:55:29,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 119 remaining) [2023-11-29 04:55:29,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 119 remaining) [2023-11-29 04:55:29,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 119 remaining) [2023-11-29 04:55:29,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 119 remaining) [2023-11-29 04:55:29,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (19 of 119 remaining) [2023-11-29 04:55:29,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (18 of 119 remaining) [2023-11-29 04:55:29,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (17 of 119 remaining) [2023-11-29 04:55:29,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (16 of 119 remaining) [2023-11-29 04:55:29,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (15 of 119 remaining) [2023-11-29 04:55:29,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (14 of 119 remaining) [2023-11-29 04:55:29,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (13 of 119 remaining) [2023-11-29 04:55:29,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (12 of 119 remaining) [2023-11-29 04:55:29,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (11 of 119 remaining) [2023-11-29 04:55:29,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (10 of 119 remaining) [2023-11-29 04:55:29,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (9 of 119 remaining) [2023-11-29 04:55:29,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (8 of 119 remaining) [2023-11-29 04:55:29,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (7 of 119 remaining) [2023-11-29 04:55:29,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (6 of 119 remaining) [2023-11-29 04:55:29,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (5 of 119 remaining) [2023-11-29 04:55:29,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (4 of 119 remaining) [2023-11-29 04:55:29,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (3 of 119 remaining) [2023-11-29 04:55:29,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (2 of 119 remaining) [2023-11-29 04:55:29,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (1 of 119 remaining) [2023-11-29 04:55:29,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (0 of 119 remaining) [2023-11-29 04:55:29,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 04:55:29,864 INFO L445 BasicCegarLoop]: Path program 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] [2023-11-29 04:55:29,871 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 04:55:29,871 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:55:29,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:55:29 BasicIcfg [2023-11-29 04:55:29,877 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:55:29,877 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:55:29,877 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:55:29,877 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:55:29,878 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:55:14" (3/4) ... [2023-11-29 04:55:29,880 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 04:55:29,882 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 04:55:29,882 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 04:55:29,890 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-29 04:55:29,891 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 04:55:29,892 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 04:55:29,892 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 04:55:29,996 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c34637-a7eb-4e7c-a1e5-0e33972fddc1/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 04:55:29,997 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c34637-a7eb-4e7c-a1e5-0e33972fddc1/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 04:55:29,997 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:55:29,998 INFO L158 Benchmark]: Toolchain (without parser) took 17529.83ms. Allocated memory was 176.2MB in the beginning and 467.7MB in the end (delta: 291.5MB). Free memory was 147.1MB in the beginning and 325.7MB in the end (delta: -178.7MB). Peak memory consumption was 113.5MB. Max. memory is 16.1GB. [2023-11-29 04:55:29,998 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 125.8MB. Free memory was 99.5MB in the beginning and 99.3MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:55:29,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.54ms. Allocated memory is still 176.2MB. Free memory was 146.8MB in the beginning and 137.4MB in the end (delta: 9.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2023-11-29 04:55:29,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.04ms. Allocated memory is still 176.2MB. Free memory was 137.4MB in the beginning and 133.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 04:55:29,999 INFO L158 Benchmark]: Boogie Preprocessor took 56.98ms. Allocated memory is still 176.2MB. Free memory was 133.2MB in the beginning and 130.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:55:30,000 INFO L158 Benchmark]: RCFGBuilder took 1224.68ms. Allocated memory is still 176.2MB. Free memory was 130.3MB in the beginning and 132.2MB in the end (delta: -1.9MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2023-11-29 04:55:30,000 INFO L158 Benchmark]: TraceAbstraction took 15645.73ms. Allocated memory was 176.2MB in the beginning and 467.7MB in the end (delta: 291.5MB). Free memory was 131.1MB in the beginning and 333.1MB in the end (delta: -202.0MB). Peak memory consumption was 274.2MB. Max. memory is 16.1GB. [2023-11-29 04:55:30,001 INFO L158 Benchmark]: Witness Printer took 120.04ms. Allocated memory is still 467.7MB. Free memory was 333.1MB in the beginning and 325.7MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 04:55:30,003 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 125.8MB. Free memory was 99.5MB in the beginning and 99.3MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.54ms. Allocated memory is still 176.2MB. Free memory was 146.8MB in the beginning and 137.4MB in the end (delta: 9.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.04ms. Allocated memory is still 176.2MB. Free memory was 137.4MB in the beginning and 133.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.98ms. Allocated memory is still 176.2MB. Free memory was 133.2MB in the beginning and 130.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1224.68ms. Allocated memory is still 176.2MB. Free memory was 130.3MB in the beginning and 132.2MB in the end (delta: -1.9MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. * TraceAbstraction took 15645.73ms. Allocated memory was 176.2MB in the beginning and 467.7MB in the end (delta: 291.5MB). Free memory was 131.1MB in the beginning and 333.1MB in the end (delta: -202.0MB). Peak memory consumption was 274.2MB. Max. memory is 16.1GB. * Witness Printer took 120.04ms. Allocated memory is still 467.7MB. Free memory was 333.1MB in the beginning and 325.7MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 500 locations, 119 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 15.5s, OverallIterations: 27, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1476 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 788 mSDsluCounter, 543 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 296 mSDsCounter, 399 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2767 IncrementalHoareTripleChecker+Invalid, 3166 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 399 mSolverCounterUnsat, 247 mSDtfsCounter, 2767 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=752occurred in iteration=0, InterpolantAutomatonStates: 103, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 3418 NumberOfCodeBlocks, 3418 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 3391 ConstructedInterpolants, 0 QuantifiedInterpolants, 4499 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 69 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 04:55:30,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c34637-a7eb-4e7c-a1e5-0e33972fddc1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE