./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b 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_7e9078d8-c3db-4652-9f5e-9a15f149f0e7/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e9078d8-c3db-4652-9f5e-9a15f149f0e7/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e9078d8-c3db-4652-9f5e-9a15f149f0e7/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e9078d8-c3db-4652-9f5e-9a15f149f0e7/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e9078d8-c3db-4652-9f5e-9a15f149f0e7/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e9078d8-c3db-4652-9f5e-9a15f149f0e7/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 3f188168fffbbf8c03071990a7bb806f47bcfd599d52fd9001ab6073a6b782e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:33:31,520 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:33:31,615 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e9078d8-c3db-4652-9f5e-9a15f149f0e7/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:33:31,620 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:33:31,620 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:33:31,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:33:31,646 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:33:31,647 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:33:31,648 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:33:31,648 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:33:31,649 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:33:31,650 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:33:31,650 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:33:31,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:33:31,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:33:31,652 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:33:31,652 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:33:31,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:33:31,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:33:31,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:33:31,655 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:33:31,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:33:31,656 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:33:31,656 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:33:31,657 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:33:31,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:33:31,658 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:33:31,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:33:31,659 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:33:31,660 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:33:31,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:33:31,661 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:33:31,661 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:33:31,662 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:33:31,662 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:33:31,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:33:31,663 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:33:31,664 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:33:31,664 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:33:31,665 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:33:31,665 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:33:31,666 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_7e9078d8-c3db-4652-9f5e-9a15f149f0e7/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e9078d8-c3db-4652-9f5e-9a15f149f0e7/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f188168fffbbf8c03071990a7bb806f47bcfd599d52fd9001ab6073a6b782e8 [2023-11-06 22:33:31,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:33:31,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:33:31,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:33:31,978 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:33:31,979 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:33:31,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e9078d8-c3db-4652-9f5e-9a15f149f0e7/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c [2023-11-06 22:33:35,225 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:33:35,440 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:33:35,441 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e9078d8-c3db-4652-9f5e-9a15f149f0e7/sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c [2023-11-06 22:33:35,451 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e9078d8-c3db-4652-9f5e-9a15f149f0e7/bin/uautomizer-verify-WvqO1wxjHP/data/9ddbab626/49aecc712156465590854cac3a6956a3/FLAG896f8c40a [2023-11-06 22:33:35,465 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e9078d8-c3db-4652-9f5e-9a15f149f0e7/bin/uautomizer-verify-WvqO1wxjHP/data/9ddbab626/49aecc712156465590854cac3a6956a3 [2023-11-06 22:33:35,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:33:35,469 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:33:35,471 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:33:35,471 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:33:35,477 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:33:35,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:33:35" (1/1) ... [2023-11-06 22:33:35,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11448072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:35, skipping insertion in model container [2023-11-06 22:33:35,479 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:33:35" (1/1) ... [2023-11-06 22:33:35,503 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:33:35,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:33:35,726 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:33:35,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:33:35,811 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:33:35,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:35 WrapperNode [2023-11-06 22:33:35,812 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:33:35,813 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:33:35,814 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:33:35,814 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:33:35,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:35" (1/1) ... [2023-11-06 22:33:35,839 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:35" (1/1) ... [2023-11-06 22:33:35,896 INFO L138 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 14, calls inlined = 22, statements flattened = 514 [2023-11-06 22:33:35,897 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:33:35,897 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:33:35,898 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:33:35,898 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:33:35,908 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:35" (1/1) ... [2023-11-06 22:33:35,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:35" (1/1) ... [2023-11-06 22:33:35,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:35" (1/1) ... [2023-11-06 22:33:35,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:35" (1/1) ... [2023-11-06 22:33:35,959 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:35" (1/1) ... [2023-11-06 22:33:35,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:35" (1/1) ... [2023-11-06 22:33:35,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:35" (1/1) ... [2023-11-06 22:33:35,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:35" (1/1) ... [2023-11-06 22:33:35,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:33:35,979 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:33:35,979 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:33:35,979 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:33:35,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:35" (1/1) ... [2023-11-06 22:33:36,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:33:36,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e9078d8-c3db-4652-9f5e-9a15f149f0e7/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:33:36,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e9078d8-c3db-4652-9f5e-9a15f149f0e7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:33:36,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e9078d8-c3db-4652-9f5e-9a15f149f0e7/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:33:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:33:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:33:36,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:33:36,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:33:36,082 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 22:33:36,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 22:33:36,083 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 22:33:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 22:33:36,083 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 22:33:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 22:33:36,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:33:36,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:33:36,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:33:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:33:36,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:33:36,089 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:33:36,273 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:33:36,276 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:33:37,266 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:33:37,287 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:33:37,288 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-06 22:33:37,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:33:37 BoogieIcfgContainer [2023-11-06 22:33:37,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:33:37,293 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:33:37,293 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:33:37,296 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:33:37,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:33:35" (1/3) ... [2023-11-06 22:33:37,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f35832e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:33:37, skipping insertion in model container [2023-11-06 22:33:37,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:35" (2/3) ... [2023-11-06 22:33:37,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f35832e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:33:37, skipping insertion in model container [2023-11-06 22:33:37,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:33:37" (3/3) ... [2023-11-06 22:33:37,300 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-trans.wvr.c [2023-11-06 22:33:37,310 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:33:37,320 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:33:37,321 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 60 error locations. [2023-11-06 22:33:37,322 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:33:37,545 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-06 22:33:37,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 626 places, 649 transitions, 1319 flow [2023-11-06 22:33:37,964 INFO L124 PetriNetUnfolderBase]: 33/646 cut-off events. [2023-11-06 22:33:37,965 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 22:33:37,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 659 conditions, 646 events. 33/646 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1547 event pairs, 0 based on Foata normal form. 0/553 useless extension candidates. Maximal degree in co-relation 465. Up to 3 conditions per place. [2023-11-06 22:33:37,982 INFO L82 GeneralOperation]: Start removeDead. Operand has 626 places, 649 transitions, 1319 flow [2023-11-06 22:33:38,000 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 598 places, 619 transitions, 1256 flow [2023-11-06 22:33:38,004 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:33:38,015 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 598 places, 619 transitions, 1256 flow [2023-11-06 22:33:38,018 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 598 places, 619 transitions, 1256 flow [2023-11-06 22:33:38,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 598 places, 619 transitions, 1256 flow [2023-11-06 22:33:38,215 INFO L124 PetriNetUnfolderBase]: 31/619 cut-off events. [2023-11-06 22:33:38,215 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 22:33:38,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 632 conditions, 619 events. 31/619 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1497 event pairs, 0 based on Foata normal form. 0/529 useless extension candidates. Maximal degree in co-relation 465. Up to 3 conditions per place. [2023-11-06 22:33:38,331 INFO L119 LiptonReduction]: Number of co-enabled transitions 94392 [2023-11-06 22:33:55,726 INFO L134 LiptonReduction]: Checked pairs total: 558643 [2023-11-06 22:33:55,726 INFO L136 LiptonReduction]: Total number of compositions: 547 [2023-11-06 22:33:55,753 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:33:55,761 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=LoopsAndPotentialCycles, 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;@3078215c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:33:55,761 INFO L358 AbstractCegarLoop]: Starting to check reachability of 105 error locations. [2023-11-06 22:33:55,763 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:33:55,763 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 22:33:55,763 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:33:55,764 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:55,764 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 22:33:55,765 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-11-06 22:33:55,770 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:55,771 INFO L85 PathProgramCache]: Analyzing trace with hash 2346, now seen corresponding path program 1 times [2023-11-06 22:33:55,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:55,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944224959] [2023-11-06 22:33:55,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:55,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:55,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:55,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:55,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944224959] [2023-11-06 22:33:55,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944224959] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:55,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:55,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 22:33:55,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931919910] [2023-11-06 22:33:55,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:55,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:33:55,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:55,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:33:55,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:33:55,970 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 623 out of 1196 [2023-11-06 22:33:55,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 220 transitions, 458 flow. Second operand has 2 states, 2 states have (on average 623.5) internal successors, (1247), 2 states have internal predecessors, (1247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:55,976 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:55,976 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 623 of 1196 [2023-11-06 22:33:55,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:00,094 INFO L124 PetriNetUnfolderBase]: 8210/25781 cut-off events. [2023-11-06 22:34:00,094 INFO L125 PetriNetUnfolderBase]: For 541/682 co-relation queries the response was YES. [2023-11-06 22:34:00,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37144 conditions, 25781 events. 8210/25781 cut-off events. For 541/682 co-relation queries the response was YES. Maximal size of possible extension queue 641. Compared 299552 event pairs, 5927 based on Foata normal form. 2097/22906 useless extension candidates. Maximal degree in co-relation 33459. Up to 11008 conditions per place. [2023-11-06 22:34:00,402 INFO L140 encePairwiseOnDemand]: 1171/1196 looper letters, 55 selfloop transitions, 0 changer transitions 1/195 dead transitions. [2023-11-06 22:34:00,403 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 195 transitions, 520 flow [2023-11-06 22:34:00,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:34:00,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 22:34:00,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1327 transitions. [2023-11-06 22:34:00,430 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5547658862876255 [2023-11-06 22:34:00,431 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1327 transitions. [2023-11-06 22:34:00,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1327 transitions. [2023-11-06 22:34:00,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:00,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1327 transitions. [2023-11-06 22:34:00,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 663.5) internal successors, (1327), 2 states have internal predecessors, (1327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:00,462 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1196.0) internal successors, (3588), 3 states have internal predecessors, (3588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:00,465 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1196.0) internal successors, (3588), 3 states have internal predecessors, (3588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:00,467 INFO L175 Difference]: Start difference. First operand has 214 places, 220 transitions, 458 flow. Second operand 2 states and 1327 transitions. [2023-11-06 22:34:00,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 195 transitions, 520 flow [2023-11-06 22:34:00,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 195 transitions, 508 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-06 22:34:00,508 INFO L231 Difference]: Finished difference. Result has 188 places, 194 transitions, 393 flow [2023-11-06 22:34:00,510 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1196, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=393, PETRI_PLACES=188, PETRI_TRANSITIONS=194} [2023-11-06 22:34:00,515 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -26 predicate places. [2023-11-06 22:34:00,515 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 194 transitions, 393 flow [2023-11-06 22:34:00,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 623.5) internal successors, (1247), 2 states have internal predecessors, (1247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:00,517 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:34:00,517 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:00,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:34:00,518 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-11-06 22:34:00,520 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:00,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1861801545, now seen corresponding path program 1 times [2023-11-06 22:34:00,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:00,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097225882] [2023-11-06 22:34:00,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:00,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:00,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:34:00,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:00,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097225882] [2023-11-06 22:34:00,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097225882] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:00,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:00,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:34:00,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765010230] [2023-11-06 22:34:00,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:00,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:34:00,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:00,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:34:00,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:34:00,820 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 607 out of 1196 [2023-11-06 22:34:00,827 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 194 transitions, 393 flow. Second operand has 3 states, 3 states have (on average 609.3333333333334) internal successors, (1828), 3 states have internal predecessors, (1828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:00,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:34:00,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 607 of 1196 [2023-11-06 22:34:00,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:04,667 INFO L124 PetriNetUnfolderBase]: 11300/31950 cut-off events. [2023-11-06 22:34:04,667 INFO L125 PetriNetUnfolderBase]: For 175/418 co-relation queries the response was YES. [2023-11-06 22:34:04,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47278 conditions, 31950 events. 11300/31950 cut-off events. For 175/418 co-relation queries the response was YES. Maximal size of possible extension queue 785. Compared 362304 event pairs, 8453 based on Foata normal form. 0/26199 useless extension candidates. Maximal degree in co-relation 47275. Up to 15204 conditions per place. [2023-11-06 22:34:05,060 INFO L140 encePairwiseOnDemand]: 1191/1196 looper letters, 58 selfloop transitions, 1 changer transitions 0/190 dead transitions. [2023-11-06 22:34:05,061 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 190 transitions, 503 flow [2023-11-06 22:34:05,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:34:05,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:34:05,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1884 transitions. [2023-11-06 22:34:05,069 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5250836120401338 [2023-11-06 22:34:05,069 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1884 transitions. [2023-11-06 22:34:05,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1884 transitions. [2023-11-06 22:34:05,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:05,072 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1884 transitions. [2023-11-06 22:34:05,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 628.0) internal successors, (1884), 3 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:05,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1196.0) internal successors, (4784), 4 states have internal predecessors, (4784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:05,095 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1196.0) internal successors, (4784), 4 states have internal predecessors, (4784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:05,096 INFO L175 Difference]: Start difference. First operand has 188 places, 194 transitions, 393 flow. Second operand 3 states and 1884 transitions. [2023-11-06 22:34:05,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 190 transitions, 503 flow [2023-11-06 22:34:05,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 190 transitions, 503 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:34:05,107 INFO L231 Difference]: Finished difference. Result has 185 places, 190 transitions, 387 flow [2023-11-06 22:34:05,108 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1196, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=387, PETRI_PLACES=185, PETRI_TRANSITIONS=190} [2023-11-06 22:34:05,110 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -29 predicate places. [2023-11-06 22:34:05,111 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 190 transitions, 387 flow [2023-11-06 22:34:05,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 609.3333333333334) internal successors, (1828), 3 states have internal predecessors, (1828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:05,120 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:34:05,121 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:05,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:34:05,121 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-11-06 22:34:05,125 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:05,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1805246025, now seen corresponding path program 1 times [2023-11-06 22:34:05,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:05,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271615791] [2023-11-06 22:34:05,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:05,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:05,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:34:05,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:05,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271615791] [2023-11-06 22:34:05,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271615791] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:05,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:05,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:34:05,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227780705] [2023-11-06 22:34:05,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:05,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:34:05,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:05,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:34:05,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:34:05,295 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 607 out of 1196 [2023-11-06 22:34:05,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 190 transitions, 387 flow. Second operand has 3 states, 3 states have (on average 610.0) internal successors, (1830), 3 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:05,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:34:05,298 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 607 of 1196 [2023-11-06 22:34:05,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:08,595 INFO L124 PetriNetUnfolderBase]: 11616/34255 cut-off events. [2023-11-06 22:34:08,595 INFO L125 PetriNetUnfolderBase]: For 182/415 co-relation queries the response was YES. [2023-11-06 22:34:08,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50045 conditions, 34255 events. 11616/34255 cut-off events. For 182/415 co-relation queries the response was YES. Maximal size of possible extension queue 815. Compared 402004 event pairs, 8733 based on Foata normal form. 0/28205 useless extension candidates. Maximal degree in co-relation 50041. Up to 15642 conditions per place. [2023-11-06 22:34:08,922 INFO L140 encePairwiseOnDemand]: 1191/1196 looper letters, 58 selfloop transitions, 1 changer transitions 0/186 dead transitions. [2023-11-06 22:34:08,923 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 186 transitions, 497 flow [2023-11-06 22:34:08,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:34:08,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:34:08,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1884 transitions. [2023-11-06 22:34:08,931 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5250836120401338 [2023-11-06 22:34:08,931 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1884 transitions. [2023-11-06 22:34:08,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1884 transitions. [2023-11-06 22:34:08,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:08,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1884 transitions. [2023-11-06 22:34:08,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 628.0) internal successors, (1884), 3 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:08,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1196.0) internal successors, (4784), 4 states have internal predecessors, (4784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:08,954 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1196.0) internal successors, (4784), 4 states have internal predecessors, (4784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:08,955 INFO L175 Difference]: Start difference. First operand has 185 places, 190 transitions, 387 flow. Second operand 3 states and 1884 transitions. [2023-11-06 22:34:08,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 186 transitions, 497 flow [2023-11-06 22:34:08,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 186 transitions, 496 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:34:08,961 INFO L231 Difference]: Finished difference. Result has 182 places, 186 transitions, 380 flow [2023-11-06 22:34:08,961 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1196, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=182, PETRI_TRANSITIONS=186} [2023-11-06 22:34:08,963 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -32 predicate places. [2023-11-06 22:34:08,963 INFO L495 AbstractCegarLoop]: Abstraction has has 182 places, 186 transitions, 380 flow [2023-11-06 22:34:08,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 610.0) internal successors, (1830), 3 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:08,965 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:34:08,965 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:08,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:34:08,971 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-11-06 22:34:08,972 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:08,972 INFO L85 PathProgramCache]: Analyzing trace with hash 325408249, now seen corresponding path program 1 times [2023-11-06 22:34:08,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:08,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871339459] [2023-11-06 22:34:08,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:08,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:09,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:34:09,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:09,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871339459] [2023-11-06 22:34:09,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871339459] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:09,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:09,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:34:09,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931491314] [2023-11-06 22:34:09,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:09,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:34:09,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:09,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:34:09,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:34:09,079 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 607 out of 1196 [2023-11-06 22:34:09,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 186 transitions, 380 flow. Second operand has 3 states, 3 states have (on average 610.3333333333334) internal successors, (1831), 3 states have internal predecessors, (1831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:09,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:34:09,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 607 of 1196 [2023-11-06 22:34:09,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:11,725 INFO L124 PetriNetUnfolderBase]: 9520/27393 cut-off events. [2023-11-06 22:34:11,725 INFO L125 PetriNetUnfolderBase]: For 182/416 co-relation queries the response was YES. [2023-11-06 22:34:11,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40288 conditions, 27393 events. 9520/27393 cut-off events. For 182/416 co-relation queries the response was YES. Maximal size of possible extension queue 682. Compared 309266 event pairs, 6973 based on Foata normal form. 0/22226 useless extension candidates. Maximal degree in co-relation 40284. Up to 12780 conditions per place. [2023-11-06 22:34:11,898 INFO L140 encePairwiseOnDemand]: 1191/1196 looper letters, 56 selfloop transitions, 1 changer transitions 0/182 dead transitions. [2023-11-06 22:34:11,898 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 182 transitions, 486 flow [2023-11-06 22:34:11,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:34:11,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:34:11,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1882 transitions. [2023-11-06 22:34:11,908 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5245261984392419 [2023-11-06 22:34:11,909 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1882 transitions. [2023-11-06 22:34:11,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1882 transitions. [2023-11-06 22:34:11,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:11,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1882 transitions. [2023-11-06 22:34:11,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 627.3333333333334) internal successors, (1882), 3 states have internal predecessors, (1882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:11,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1196.0) internal successors, (4784), 4 states have internal predecessors, (4784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:11,934 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1196.0) internal successors, (4784), 4 states have internal predecessors, (4784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:11,934 INFO L175 Difference]: Start difference. First operand has 182 places, 186 transitions, 380 flow. Second operand 3 states and 1882 transitions. [2023-11-06 22:34:11,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 182 transitions, 486 flow [2023-11-06 22:34:11,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 182 transitions, 485 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:34:11,939 INFO L231 Difference]: Finished difference. Result has 179 places, 182 transitions, 373 flow [2023-11-06 22:34:11,940 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1196, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=373, PETRI_PLACES=179, PETRI_TRANSITIONS=182} [2023-11-06 22:34:11,942 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -35 predicate places. [2023-11-06 22:34:11,943 INFO L495 AbstractCegarLoop]: Abstraction has has 179 places, 182 transitions, 373 flow [2023-11-06 22:34:11,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 610.3333333333334) internal successors, (1831), 3 states have internal predecessors, (1831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:11,945 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:34:11,945 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:11,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:34:11,945 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-11-06 22:34:11,946 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:11,946 INFO L85 PathProgramCache]: Analyzing trace with hash 711996179, now seen corresponding path program 1 times [2023-11-06 22:34:11,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:11,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231356149] [2023-11-06 22:34:11,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:11,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:12,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:34:12,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:12,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231356149] [2023-11-06 22:34:12,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231356149] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:12,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:12,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:34:12,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996343482] [2023-11-06 22:34:12,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:12,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:34:12,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:12,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:34:12,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:34:12,057 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 615 out of 1196 [2023-11-06 22:34:12,060 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 182 transitions, 373 flow. Second operand has 3 states, 3 states have (on average 618.0) internal successors, (1854), 3 states have internal predecessors, (1854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:12,060 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:34:12,060 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 615 of 1196 [2023-11-06 22:34:12,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:15,125 INFO L124 PetriNetUnfolderBase]: 9071/28086 cut-off events. [2023-11-06 22:34:15,126 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2023-11-06 22:34:15,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40379 conditions, 28086 events. 9071/28086 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 682. Compared 328600 event pairs, 5927 based on Foata normal form. 0/22737 useless extension candidates. Maximal degree in co-relation 40375. Up to 11007 conditions per place. [2023-11-06 22:34:15,352 INFO L140 encePairwiseOnDemand]: 1193/1196 looper letters, 87 selfloop transitions, 2 changer transitions 0/216 dead transitions. [2023-11-06 22:34:15,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 216 transitions, 621 flow [2023-11-06 22:34:15,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:34:15,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:34:15,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1935 transitions. [2023-11-06 22:34:15,361 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5392976588628763 [2023-11-06 22:34:15,362 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1935 transitions. [2023-11-06 22:34:15,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1935 transitions. [2023-11-06 22:34:15,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:15,364 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1935 transitions. [2023-11-06 22:34:15,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 645.0) internal successors, (1935), 3 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:15,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1196.0) internal successors, (4784), 4 states have internal predecessors, (4784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:15,383 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1196.0) internal successors, (4784), 4 states have internal predecessors, (4784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:15,383 INFO L175 Difference]: Start difference. First operand has 179 places, 182 transitions, 373 flow. Second operand 3 states and 1935 transitions. [2023-11-06 22:34:15,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 216 transitions, 621 flow [2023-11-06 22:34:15,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 216 transitions, 620 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:34:15,390 INFO L231 Difference]: Finished difference. Result has 181 places, 183 transitions, 384 flow [2023-11-06 22:34:15,391 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1196, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=384, PETRI_PLACES=181, PETRI_TRANSITIONS=183} [2023-11-06 22:34:15,391 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -33 predicate places. [2023-11-06 22:34:15,392 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 183 transitions, 384 flow [2023-11-06 22:34:15,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 618.0) internal successors, (1854), 3 states have internal predecessors, (1854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:15,393 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:34:15,393 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:15,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:34:15,394 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-11-06 22:34:15,394 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:15,394 INFO L85 PathProgramCache]: Analyzing trace with hash -16310139, now seen corresponding path program 1 times [2023-11-06 22:34:15,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:15,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656206049] [2023-11-06 22:34:15,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:15,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:15,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:34:15,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:15,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656206049] [2023-11-06 22:34:15,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656206049] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:15,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:15,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:34:15,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688244970] [2023-11-06 22:34:15,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:15,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:34:15,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:15,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:34:15,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:34:17,081 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 601 out of 1196 [2023-11-06 22:34:17,085 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 183 transitions, 384 flow. Second operand has 6 states, 6 states have (on average 603.3333333333334) internal successors, (3620), 6 states have internal predecessors, (3620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:17,085 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:34:17,085 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 601 of 1196 [2023-11-06 22:34:17,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:22,223 INFO L124 PetriNetUnfolderBase]: 27387/46783 cut-off events. [2023-11-06 22:34:22,223 INFO L125 PetriNetUnfolderBase]: For 4423/4423 co-relation queries the response was YES. [2023-11-06 22:34:22,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86951 conditions, 46783 events. 27387/46783 cut-off events. For 4423/4423 co-relation queries the response was YES. Maximal size of possible extension queue 1222. Compared 399050 event pairs, 3080 based on Foata normal form. 0/37555 useless extension candidates. Maximal degree in co-relation 86946. Up to 12742 conditions per place. [2023-11-06 22:34:22,584 INFO L140 encePairwiseOnDemand]: 1191/1196 looper letters, 212 selfloop transitions, 4 changer transitions 0/338 dead transitions. [2023-11-06 22:34:22,584 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 338 transitions, 1166 flow [2023-11-06 22:34:22,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:34:22,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:34:22,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3818 transitions. [2023-11-06 22:34:22,601 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.532051282051282 [2023-11-06 22:34:22,602 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3818 transitions. [2023-11-06 22:34:22,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3818 transitions. [2023-11-06 22:34:22,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:22,606 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3818 transitions. [2023-11-06 22:34:22,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 636.3333333333334) internal successors, (3818), 6 states have internal predecessors, (3818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:22,635 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1196.0) internal successors, (8372), 7 states have internal predecessors, (8372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:22,638 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1196.0) internal successors, (8372), 7 states have internal predecessors, (8372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:22,638 INFO L175 Difference]: Start difference. First operand has 181 places, 183 transitions, 384 flow. Second operand 6 states and 3818 transitions. [2023-11-06 22:34:22,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 338 transitions, 1166 flow [2023-11-06 22:34:22,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 338 transitions, 1156 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:34:22,650 INFO L231 Difference]: Finished difference. Result has 184 places, 182 transitions, 388 flow [2023-11-06 22:34:22,651 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1196, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=388, PETRI_PLACES=184, PETRI_TRANSITIONS=182} [2023-11-06 22:34:22,652 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -30 predicate places. [2023-11-06 22:34:22,652 INFO L495 AbstractCegarLoop]: Abstraction has has 184 places, 182 transitions, 388 flow [2023-11-06 22:34:22,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 603.3333333333334) internal successors, (3620), 6 states have internal predecessors, (3620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:22,654 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:34:22,654 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:22,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:34:22,654 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-11-06 22:34:22,655 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:22,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1206999121, now seen corresponding path program 1 times [2023-11-06 22:34:22,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:22,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790229761] [2023-11-06 22:34:22,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:22,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:22,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:34:22,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:22,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790229761] [2023-11-06 22:34:22,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790229761] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:22,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:22,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:34:22,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900648552] [2023-11-06 22:34:22,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:22,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:34:22,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:22,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:34:22,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:34:22,721 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 615 out of 1196 [2023-11-06 22:34:22,724 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 182 transitions, 388 flow. Second operand has 3 states, 3 states have (on average 618.6666666666666) internal successors, (1856), 3 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:22,724 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:34:22,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 615 of 1196 [2023-11-06 22:34:22,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:25,905 INFO L124 PetriNetUnfolderBase]: 9840/29325 cut-off events. [2023-11-06 22:34:25,905 INFO L125 PetriNetUnfolderBase]: For 2553/2628 co-relation queries the response was YES. [2023-11-06 22:34:25,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45881 conditions, 29325 events. 9840/29325 cut-off events. For 2553/2628 co-relation queries the response was YES. Maximal size of possible extension queue 703. Compared 338526 event pairs, 6638 based on Foata normal form. 0/24337 useless extension candidates. Maximal degree in co-relation 45876. Up to 12178 conditions per place. [2023-11-06 22:34:26,077 INFO L140 encePairwiseOnDemand]: 1193/1196 looper letters, 86 selfloop transitions, 2 changer transitions 0/214 dead transitions. [2023-11-06 22:34:26,077 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 214 transitions, 640 flow [2023-11-06 22:34:26,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:34:26,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:34:26,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1932 transitions. [2023-11-06 22:34:26,085 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5384615384615384 [2023-11-06 22:34:26,085 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1932 transitions. [2023-11-06 22:34:26,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1932 transitions. [2023-11-06 22:34:26,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:26,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1932 transitions. [2023-11-06 22:34:26,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 644.0) internal successors, (1932), 3 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:26,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1196.0) internal successors, (4784), 4 states have internal predecessors, (4784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:26,099 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1196.0) internal successors, (4784), 4 states have internal predecessors, (4784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:26,100 INFO L175 Difference]: Start difference. First operand has 184 places, 182 transitions, 388 flow. Second operand 3 states and 1932 transitions. [2023-11-06 22:34:26,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 214 transitions, 640 flow [2023-11-06 22:34:26,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 214 transitions, 631 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 22:34:26,133 INFO L231 Difference]: Finished difference. Result has 183 places, 183 transitions, 393 flow [2023-11-06 22:34:26,134 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1196, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=393, PETRI_PLACES=183, PETRI_TRANSITIONS=183} [2023-11-06 22:34:26,134 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -31 predicate places. [2023-11-06 22:34:26,135 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 183 transitions, 393 flow [2023-11-06 22:34:26,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 618.6666666666666) internal successors, (1856), 3 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:26,135 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:34:26,136 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:26,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:34:26,136 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-11-06 22:34:26,136 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:26,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1310217846, now seen corresponding path program 1 times [2023-11-06 22:34:26,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:26,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786438115] [2023-11-06 22:34:26,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:26,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:26,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:34:26,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:26,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786438115] [2023-11-06 22:34:26,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786438115] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:26,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:26,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:34:26,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750539690] [2023-11-06 22:34:26,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:26,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:34:26,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:26,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:34:26,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:34:26,203 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 610 out of 1196 [2023-11-06 22:34:26,205 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 183 transitions, 393 flow. Second operand has 3 states, 3 states have (on average 613.6666666666666) internal successors, (1841), 3 states have internal predecessors, (1841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:26,205 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:34:26,206 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 610 of 1196 [2023-11-06 22:34:26,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:30,960 INFO L124 PetriNetUnfolderBase]: 17428/45099 cut-off events. [2023-11-06 22:34:30,960 INFO L125 PetriNetUnfolderBase]: For 4180/4256 co-relation queries the response was YES. [2023-11-06 22:34:31,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73746 conditions, 45099 events. 17428/45099 cut-off events. For 4180/4256 co-relation queries the response was YES. Maximal size of possible extension queue 1030. Compared 515223 event pairs, 3799 based on Foata normal form. 0/38798 useless extension candidates. Maximal degree in co-relation 73740. Up to 18092 conditions per place. [2023-11-06 22:34:31,282 INFO L140 encePairwiseOnDemand]: 1190/1196 looper letters, 98 selfloop transitions, 2 changer transitions 0/218 dead transitions. [2023-11-06 22:34:31,282 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 218 transitions, 685 flow [2023-11-06 22:34:31,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:34:31,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:34:31,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1930 transitions. [2023-11-06 22:34:31,289 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5379041248606466 [2023-11-06 22:34:31,289 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1930 transitions. [2023-11-06 22:34:31,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1930 transitions. [2023-11-06 22:34:31,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:31,291 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1930 transitions. [2023-11-06 22:34:31,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 643.3333333333334) internal successors, (1930), 3 states have internal predecessors, (1930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:31,301 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1196.0) internal successors, (4784), 4 states have internal predecessors, (4784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:31,303 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1196.0) internal successors, (4784), 4 states have internal predecessors, (4784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:31,303 INFO L175 Difference]: Start difference. First operand has 183 places, 183 transitions, 393 flow. Second operand 3 states and 1930 transitions. [2023-11-06 22:34:31,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 218 transitions, 685 flow [2023-11-06 22:34:31,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 218 transitions, 681 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:34:31,324 INFO L231 Difference]: Finished difference. Result has 181 places, 181 transitions, 399 flow [2023-11-06 22:34:31,324 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1196, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=399, PETRI_PLACES=181, PETRI_TRANSITIONS=181} [2023-11-06 22:34:31,325 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -33 predicate places. [2023-11-06 22:34:31,325 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 181 transitions, 399 flow [2023-11-06 22:34:31,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 613.6666666666666) internal successors, (1841), 3 states have internal predecessors, (1841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:31,326 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:34:31,326 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:31,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:34:31,326 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-11-06 22:34:31,327 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:31,327 INFO L85 PathProgramCache]: Analyzing trace with hash -503868580, now seen corresponding path program 1 times [2023-11-06 22:34:31,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:31,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702790568] [2023-11-06 22:34:31,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:31,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:31,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:34:31,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:31,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702790568] [2023-11-06 22:34:31,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702790568] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:31,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:31,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:34:31,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354074884] [2023-11-06 22:34:31,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:31,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:34:31,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:31,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:34:31,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:34:31,388 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 610 out of 1196 [2023-11-06 22:34:31,390 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 181 transitions, 399 flow. Second operand has 3 states, 3 states have (on average 614.6666666666666) internal successors, (1844), 3 states have internal predecessors, (1844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:31,390 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:34:31,391 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 610 of 1196 [2023-11-06 22:34:31,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:38,329 INFO L124 PetriNetUnfolderBase]: 26808/65634 cut-off events. [2023-11-06 22:34:38,329 INFO L125 PetriNetUnfolderBase]: For 7398/7474 co-relation queries the response was YES. [2023-11-06 22:34:38,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 111695 conditions, 65634 events. 26808/65634 cut-off events. For 7398/7474 co-relation queries the response was YES. Maximal size of possible extension queue 1527. Compared 766035 event pairs, 6437 based on Foata normal form. 5/59035 useless extension candidates. Maximal degree in co-relation 111689. Up to 26636 conditions per place. [2023-11-06 22:34:38,875 INFO L140 encePairwiseOnDemand]: 1190/1196 looper letters, 107 selfloop transitions, 2 changer transitions 0/221 dead transitions. [2023-11-06 22:34:38,876 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 221 transitions, 729 flow [2023-11-06 22:34:38,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:34:38,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:34:38,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1935 transitions. [2023-11-06 22:34:38,884 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5392976588628763 [2023-11-06 22:34:38,884 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1935 transitions. [2023-11-06 22:34:38,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1935 transitions. [2023-11-06 22:34:38,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:38,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1935 transitions. [2023-11-06 22:34:38,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 645.0) internal successors, (1935), 3 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:38,899 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1196.0) internal successors, (4784), 4 states have internal predecessors, (4784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:38,901 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1196.0) internal successors, (4784), 4 states have internal predecessors, (4784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:38,901 INFO L175 Difference]: Start difference. First operand has 181 places, 181 transitions, 399 flow. Second operand 3 states and 1935 transitions. [2023-11-06 22:34:38,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 221 transitions, 729 flow [2023-11-06 22:34:38,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 221 transitions, 729 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:34:38,928 INFO L231 Difference]: Finished difference. Result has 180 places, 179 transitions, 407 flow [2023-11-06 22:34:38,929 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1196, PETRI_DIFFERENCE_MINUEND_FLOW=391, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=407, PETRI_PLACES=180, PETRI_TRANSITIONS=179} [2023-11-06 22:34:38,930 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -34 predicate places. [2023-11-06 22:34:38,931 INFO L495 AbstractCegarLoop]: Abstraction has has 180 places, 179 transitions, 407 flow [2023-11-06 22:34:38,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 614.6666666666666) internal successors, (1844), 3 states have internal predecessors, (1844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:38,932 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:34:38,932 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] [2023-11-06 22:34:38,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:34:38,932 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-11-06 22:34:38,933 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:38,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1768053786, now seen corresponding path program 1 times [2023-11-06 22:34:38,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:38,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957687882] [2023-11-06 22:34:38,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:38,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:39,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:34:39,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:39,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957687882] [2023-11-06 22:34:39,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957687882] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:39,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:39,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:34:39,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028773887] [2023-11-06 22:34:39,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:39,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:34:39,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:39,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:34:39,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:34:39,366 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 601 out of 1196 [2023-11-06 22:34:39,369 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 179 transitions, 407 flow. Second operand has 5 states, 5 states have (on average 603.0) internal successors, (3015), 5 states have internal predecessors, (3015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:39,369 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:34:39,369 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 601 of 1196 [2023-11-06 22:34:39,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand