./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6e2b6c-ba85-493e-bf04-ee4b212a7da3/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6e2b6c-ba85-493e-bf04-ee4b212a7da3/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6e2b6c-ba85-493e-bf04-ee4b212a7da3/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6e2b6c-ba85-493e-bf04-ee4b212a7da3/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6e2b6c-ba85-493e-bf04-ee4b212a7da3/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6e2b6c-ba85-493e-bf04-ee4b212a7da3/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f044966ade6b1d79627a5dcb577ad24e14a4ae2ab2467e458af5fa83aa6cd521 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:01:28,139 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:01:28,221 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6e2b6c-ba85-493e-bf04-ee4b212a7da3/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 04:01:28,227 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:01:28,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:01:28,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:01:28,252 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:01:28,253 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:01:28,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:01:28,254 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:01:28,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:01:28,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:01:28,255 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:01:28,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:01:28,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:01:28,257 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:01:28,257 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:01:28,258 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:01:28,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:01:28,258 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:01:28,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:01:28,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:01:28,260 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 04:01:28,261 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:01:28,261 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:01:28,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:01:28,262 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:01:28,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:01:28,263 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:01:28,263 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:01:28,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:01:28,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:01:28,264 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:01:28,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:01:28,265 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:01:28,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:01:28,265 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:01:28,265 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:01:28,266 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:01:28,266 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:01:28,266 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:01:28,266 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_4e6e2b6c-ba85-493e-bf04-ee4b212a7da3/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6e2b6c-ba85-493e-bf04-ee4b212a7da3/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f044966ade6b1d79627a5dcb577ad24e14a4ae2ab2467e458af5fa83aa6cd521 [2023-11-29 04:01:28,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:01:28,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:01:28,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:01:28,522 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:01:28,523 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:01:28,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6e2b6c-ba85-493e-bf04-ee4b212a7da3/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c [2023-11-29 04:01:31,271 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:01:31,453 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:01:31,454 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6e2b6c-ba85-493e-bf04-ee4b212a7da3/sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c [2023-11-29 04:01:31,461 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6e2b6c-ba85-493e-bf04-ee4b212a7da3/bin/uautomizer-verify-BQ2R08f2Ya/data/06fe64853/b203a2ecb6634eadbdd4f6c4f190c39d/FLAG6928438d6 [2023-11-29 04:01:31,475 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6e2b6c-ba85-493e-bf04-ee4b212a7da3/bin/uautomizer-verify-BQ2R08f2Ya/data/06fe64853/b203a2ecb6634eadbdd4f6c4f190c39d [2023-11-29 04:01:31,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:01:31,479 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:01:31,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:01:31,481 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:01:31,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:01:31,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:01:31" (1/1) ... [2023-11-29 04:01:31,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d250fa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:31, skipping insertion in model container [2023-11-29 04:01:31,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:01:31" (1/1) ... [2023-11-29 04:01:31,518 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:01:31,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:01:31,712 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:01:31,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:01:31,762 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:01:31,763 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:01:31,769 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:01:31,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:31 WrapperNode [2023-11-29 04:01:31,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:01:31,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:01:31,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:01:31,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:01:31,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:31" (1/1) ... [2023-11-29 04:01:31,789 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:31" (1/1) ... [2023-11-29 04:01:31,829 INFO L138 Inliner]: procedures = 24, calls = 86, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 506 [2023-11-29 04:01:31,830 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:01:31,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:01:31,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:01:31,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:01:31,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:31" (1/1) ... [2023-11-29 04:01:31,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:31" (1/1) ... [2023-11-29 04:01:31,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:31" (1/1) ... [2023-11-29 04:01:31,846 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:31" (1/1) ... [2023-11-29 04:01:31,864 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:31" (1/1) ... [2023-11-29 04:01:31,867 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:31" (1/1) ... [2023-11-29 04:01:31,870 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:31" (1/1) ... [2023-11-29 04:01:31,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:31" (1/1) ... [2023-11-29 04:01:31,877 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:01:31,878 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:01:31,879 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:01:31,879 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:01:31,880 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:31" (1/1) ... [2023-11-29 04:01:31,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:01:31,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6e2b6c-ba85-493e-bf04-ee4b212a7da3/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:01:31,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6e2b6c-ba85-493e-bf04-ee4b212a7da3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:01:31,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6e2b6c-ba85-493e-bf04-ee4b212a7da3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:01:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:01:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 04:01:31,963 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 04:01:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 04:01:31,964 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 04:01:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 04:01:31,965 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 04:01:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-29 04:01:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-29 04:01:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 04:01:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-29 04:01:31,967 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-29 04:01:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 04:01:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 04:01:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 04:01:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 04:01:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:01:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:01:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 04:01:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 04:01:31,972 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 04:01:32,113 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:01:32,116 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:01:32,657 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:01:32,886 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:01:32,886 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 04:01:32,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:01:32 BoogieIcfgContainer [2023-11-29 04:01:32,888 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:01:32,904 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:01:32,904 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:01:32,907 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:01:32,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:01:31" (1/3) ... [2023-11-29 04:01:32,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@352a92f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:01:32, skipping insertion in model container [2023-11-29 04:01:32,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:01:31" (2/3) ... [2023-11-29 04:01:32,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@352a92f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:01:32, skipping insertion in model container [2023-11-29 04:01:32,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:01:32" (3/3) ... [2023-11-29 04:01:32,909 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-5.wvr.c [2023-11-29 04:01:32,916 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 04:01:32,937 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:01:32,937 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 75 error locations. [2023-11-29 04:01:32,937 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 04:01:33,038 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2023-11-29 04:01:33,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 353 places, 342 transitions, 719 flow [2023-11-29 04:01:33,192 INFO L124 PetriNetUnfolderBase]: 5/337 cut-off events. [2023-11-29 04:01:33,192 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-29 04:01:33,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 358 conditions, 337 events. 5/337 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 373 event pairs, 0 based on Foata normal form. 0/257 useless extension candidates. Maximal degree in co-relation 250. Up to 2 conditions per place. [2023-11-29 04:01:33,196 INFO L82 GeneralOperation]: Start removeDead. Operand has 353 places, 342 transitions, 719 flow [2023-11-29 04:01:33,207 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 322 places, 310 transitions, 650 flow [2023-11-29 04:01:33,218 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:01:33,224 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6997607c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:01:33,224 INFO L358 AbstractCegarLoop]: Starting to check reachability of 134 error locations. [2023-11-29 04:01:33,230 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 04:01:33,230 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2023-11-29 04:01:33,230 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:01:33,231 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:01:33,231 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:33,232 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-29 04:01:33,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:33,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1563117496, now seen corresponding path program 1 times [2023-11-29 04:01:33,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:33,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992741273] [2023-11-29 04:01:33,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:33,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:33,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:01:33,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:33,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992741273] [2023-11-29 04:01:33,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992741273] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:33,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:33,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:01:33,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747580936] [2023-11-29 04:01:33,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:33,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:01:33,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:33,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:01:33,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:01:33,489 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 342 [2023-11-29 04:01:33,495 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 310 transitions, 650 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:33,495 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:01:33,495 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 342 [2023-11-29 04:01:33,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:01:38,066 INFO L124 PetriNetUnfolderBase]: 16567/25542 cut-off events. [2023-11-29 04:01:38,067 INFO L125 PetriNetUnfolderBase]: For 3537/4037 co-relation queries the response was YES. [2023-11-29 04:01:38,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50240 conditions, 25542 events. 16567/25542 cut-off events. For 3537/4037 co-relation queries the response was YES. Maximal size of possible extension queue 1090. Compared 190065 event pairs, 16564 based on Foata normal form. 1/25430 useless extension candidates. Maximal degree in co-relation 49568. Up to 22035 conditions per place. [2023-11-29 04:01:38,418 INFO L140 encePairwiseOnDemand]: 284/342 looper letters, 34 selfloop transitions, 2 changer transitions 1/254 dead transitions. [2023-11-29 04:01:38,418 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 254 transitions, 610 flow [2023-11-29 04:01:38,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:01:38,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:01:38,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 833 transitions. [2023-11-29 04:01:38,436 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8118908382066277 [2023-11-29 04:01:38,437 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 833 transitions. [2023-11-29 04:01:38,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 833 transitions. [2023-11-29 04:01:38,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:01:38,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 833 transitions. [2023-11-29 04:01:38,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 277.6666666666667) internal successors, (833), 3 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:38,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:38,458 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:38,460 INFO L175 Difference]: Start difference. First operand has 322 places, 310 transitions, 650 flow. Second operand 3 states and 833 transitions. [2023-11-29 04:01:38,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 254 transitions, 610 flow [2023-11-29 04:01:38,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 254 transitions, 590 flow, removed 0 selfloop flow, removed 10 redundant places. [2023-11-29 04:01:38,490 INFO L231 Difference]: Finished difference. Result has 259 places, 253 transitions, 520 flow [2023-11-29 04:01:38,493 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=518, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=520, PETRI_PLACES=259, PETRI_TRANSITIONS=253} [2023-11-29 04:01:38,497 INFO L281 CegarLoopForPetriNet]: 322 programPoint places, -63 predicate places. [2023-11-29 04:01:38,497 INFO L495 AbstractCegarLoop]: Abstraction has has 259 places, 253 transitions, 520 flow [2023-11-29 04:01:38,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:38,498 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:01:38,498 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:38,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:01:38,499 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-29 04:01:38,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:38,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1693979008, now seen corresponding path program 1 times [2023-11-29 04:01:38,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:38,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132949900] [2023-11-29 04:01:38,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:38,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:38,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:01:38,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:38,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132949900] [2023-11-29 04:01:38,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132949900] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:38,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:38,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:01:38,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667395699] [2023-11-29 04:01:38,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:38,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:01:38,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:38,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:01:38,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:01:38,590 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 342 [2023-11-29 04:01:38,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 253 transitions, 520 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:38,592 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:01:38,593 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 342 [2023-11-29 04:01:38,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:01:42,027 INFO L124 PetriNetUnfolderBase]: 16567/25540 cut-off events. [2023-11-29 04:01:42,027 INFO L125 PetriNetUnfolderBase]: For 781/1281 co-relation queries the response was YES. [2023-11-29 04:01:42,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48518 conditions, 25540 events. 16567/25540 cut-off events. For 781/1281 co-relation queries the response was YES. Maximal size of possible extension queue 1090. Compared 190031 event pairs, 16564 based on Foata normal form. 0/25429 useless extension candidates. Maximal degree in co-relation 48482. Up to 22035 conditions per place. [2023-11-29 04:01:42,190 INFO L140 encePairwiseOnDemand]: 339/342 looper letters, 34 selfloop transitions, 2 changer transitions 0/252 dead transitions. [2023-11-29 04:01:42,190 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 252 transitions, 590 flow [2023-11-29 04:01:42,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:01:42,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:01:42,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 778 transitions. [2023-11-29 04:01:42,194 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7582846003898636 [2023-11-29 04:01:42,194 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 778 transitions. [2023-11-29 04:01:42,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 778 transitions. [2023-11-29 04:01:42,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:01:42,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 778 transitions. [2023-11-29 04:01:42,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:42,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:42,201 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:42,201 INFO L175 Difference]: Start difference. First operand has 259 places, 253 transitions, 520 flow. Second operand 3 states and 778 transitions. [2023-11-29 04:01:42,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 252 transitions, 590 flow [2023-11-29 04:01:42,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 252 transitions, 586 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:01:42,209 INFO L231 Difference]: Finished difference. Result has 257 places, 252 transitions, 518 flow [2023-11-29 04:01:42,210 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=518, PETRI_PLACES=257, PETRI_TRANSITIONS=252} [2023-11-29 04:01:42,211 INFO L281 CegarLoopForPetriNet]: 322 programPoint places, -65 predicate places. [2023-11-29 04:01:42,212 INFO L495 AbstractCegarLoop]: Abstraction has has 257 places, 252 transitions, 518 flow [2023-11-29 04:01:42,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:42,213 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:01:42,213 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:42,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:01:42,214 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-29 04:01:42,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:42,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1293271877, now seen corresponding path program 1 times [2023-11-29 04:01:42,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:42,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323085972] [2023-11-29 04:01:42,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:42,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:42,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:01:42,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:42,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323085972] [2023-11-29 04:01:42,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323085972] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:42,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:42,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:01:42,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402632295] [2023-11-29 04:01:42,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:42,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:01:42,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:42,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:01:42,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:01:42,292 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 342 [2023-11-29 04:01:42,294 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 252 transitions, 518 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:42,294 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:01:42,294 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 342 [2023-11-29 04:01:42,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:01:45,590 INFO L124 PetriNetUnfolderBase]: 16567/25539 cut-off events. [2023-11-29 04:01:45,590 INFO L125 PetriNetUnfolderBase]: For 781/1281 co-relation queries the response was YES. [2023-11-29 04:01:45,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48517 conditions, 25539 events. 16567/25539 cut-off events. For 781/1281 co-relation queries the response was YES. Maximal size of possible extension queue 1090. Compared 189852 event pairs, 16564 based on Foata normal form. 0/25429 useless extension candidates. Maximal degree in co-relation 48473. Up to 22035 conditions per place. [2023-11-29 04:01:45,748 INFO L140 encePairwiseOnDemand]: 339/342 looper letters, 34 selfloop transitions, 2 changer transitions 0/251 dead transitions. [2023-11-29 04:01:45,748 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 251 transitions, 588 flow [2023-11-29 04:01:45,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:01:45,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:01:45,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 778 transitions. [2023-11-29 04:01:45,752 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7582846003898636 [2023-11-29 04:01:45,752 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 778 transitions. [2023-11-29 04:01:45,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 778 transitions. [2023-11-29 04:01:45,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:01:45,753 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 778 transitions. [2023-11-29 04:01:45,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:45,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:45,758 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:45,758 INFO L175 Difference]: Start difference. First operand has 257 places, 252 transitions, 518 flow. Second operand 3 states and 778 transitions. [2023-11-29 04:01:45,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 251 transitions, 588 flow [2023-11-29 04:01:45,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 251 transitions, 584 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:01:45,762 INFO L231 Difference]: Finished difference. Result has 256 places, 251 transitions, 516 flow [2023-11-29 04:01:45,763 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=516, PETRI_PLACES=256, PETRI_TRANSITIONS=251} [2023-11-29 04:01:45,763 INFO L281 CegarLoopForPetriNet]: 322 programPoint places, -66 predicate places. [2023-11-29 04:01:45,764 INFO L495 AbstractCegarLoop]: Abstraction has has 256 places, 251 transitions, 516 flow [2023-11-29 04:01:45,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:45,765 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:01:45,765 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:45,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:01:45,765 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-29 04:01:45,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:45,766 INFO L85 PathProgramCache]: Analyzing trace with hash -904080444, now seen corresponding path program 1 times [2023-11-29 04:01:45,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:45,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570706468] [2023-11-29 04:01:45,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:45,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:45,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:01:45,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:45,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570706468] [2023-11-29 04:01:45,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570706468] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:45,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:45,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:01:45,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51331321] [2023-11-29 04:01:45,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:45,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:01:45,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:45,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:01:45,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:01:45,832 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 342 [2023-11-29 04:01:45,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 251 transitions, 516 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:45,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:01:45,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 342 [2023-11-29 04:01:45,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:01:49,336 INFO L124 PetriNetUnfolderBase]: 16567/25538 cut-off events. [2023-11-29 04:01:49,336 INFO L125 PetriNetUnfolderBase]: For 781/1281 co-relation queries the response was YES. [2023-11-29 04:01:49,376 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48516 conditions, 25538 events. 16567/25538 cut-off events. For 781/1281 co-relation queries the response was YES. Maximal size of possible extension queue 1090. Compared 189816 event pairs, 16564 based on Foata normal form. 0/25429 useless extension candidates. Maximal degree in co-relation 48464. Up to 22035 conditions per place. [2023-11-29 04:01:49,464 INFO L140 encePairwiseOnDemand]: 339/342 looper letters, 34 selfloop transitions, 2 changer transitions 0/250 dead transitions. [2023-11-29 04:01:49,464 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 250 transitions, 586 flow [2023-11-29 04:01:49,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:01:49,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:01:49,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 778 transitions. [2023-11-29 04:01:49,467 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7582846003898636 [2023-11-29 04:01:49,467 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 778 transitions. [2023-11-29 04:01:49,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 778 transitions. [2023-11-29 04:01:49,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:01:49,468 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 778 transitions. [2023-11-29 04:01:49,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:49,472 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:49,473 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:49,473 INFO L175 Difference]: Start difference. First operand has 256 places, 251 transitions, 516 flow. Second operand 3 states and 778 transitions. [2023-11-29 04:01:49,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 250 transitions, 586 flow [2023-11-29 04:01:49,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 250 transitions, 582 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:01:49,477 INFO L231 Difference]: Finished difference. Result has 255 places, 250 transitions, 514 flow [2023-11-29 04:01:49,477 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=514, PETRI_PLACES=255, PETRI_TRANSITIONS=250} [2023-11-29 04:01:49,478 INFO L281 CegarLoopForPetriNet]: 322 programPoint places, -67 predicate places. [2023-11-29 04:01:49,478 INFO L495 AbstractCegarLoop]: Abstraction has has 255 places, 250 transitions, 514 flow [2023-11-29 04:01:49,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:49,479 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:01:49,479 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:49,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:01:49,479 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-29 04:01:49,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:49,480 INFO L85 PathProgramCache]: Analyzing trace with hash 758167095, now seen corresponding path program 1 times [2023-11-29 04:01:49,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:49,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986829466] [2023-11-29 04:01:49,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:49,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:49,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:01:49,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:49,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986829466] [2023-11-29 04:01:49,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986829466] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:49,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:49,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:01:49,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489635709] [2023-11-29 04:01:49,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:49,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:01:49,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:49,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:01:49,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:01:49,543 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 342 [2023-11-29 04:01:49,544 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 250 transitions, 514 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:49,544 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:01:49,544 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 342 [2023-11-29 04:01:49,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:01:52,864 INFO L124 PetriNetUnfolderBase]: 16567/25537 cut-off events. [2023-11-29 04:01:52,865 INFO L125 PetriNetUnfolderBase]: For 781/1281 co-relation queries the response was YES. [2023-11-29 04:01:52,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48515 conditions, 25537 events. 16567/25537 cut-off events. For 781/1281 co-relation queries the response was YES. Maximal size of possible extension queue 1090. Compared 189963 event pairs, 16564 based on Foata normal form. 0/25429 useless extension candidates. Maximal degree in co-relation 48455. Up to 22035 conditions per place. [2023-11-29 04:01:53,012 INFO L140 encePairwiseOnDemand]: 339/342 looper letters, 34 selfloop transitions, 2 changer transitions 0/249 dead transitions. [2023-11-29 04:01:53,012 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 249 transitions, 584 flow [2023-11-29 04:01:53,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:01:53,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:01:53,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 778 transitions. [2023-11-29 04:01:53,015 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7582846003898636 [2023-11-29 04:01:53,015 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 778 transitions. [2023-11-29 04:01:53,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 778 transitions. [2023-11-29 04:01:53,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:01:53,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 778 transitions. [2023-11-29 04:01:53,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:53,020 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:53,020 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:53,020 INFO L175 Difference]: Start difference. First operand has 255 places, 250 transitions, 514 flow. Second operand 3 states and 778 transitions. [2023-11-29 04:01:53,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 249 transitions, 584 flow [2023-11-29 04:01:53,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 249 transitions, 580 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:01:53,025 INFO L231 Difference]: Finished difference. Result has 254 places, 249 transitions, 512 flow [2023-11-29 04:01:53,025 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=512, PETRI_PLACES=254, PETRI_TRANSITIONS=249} [2023-11-29 04:01:53,026 INFO L281 CegarLoopForPetriNet]: 322 programPoint places, -68 predicate places. [2023-11-29 04:01:53,026 INFO L495 AbstractCegarLoop]: Abstraction has has 254 places, 249 transitions, 512 flow [2023-11-29 04:01:53,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:53,027 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:01:53,028 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:53,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 04:01:53,028 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-29 04:01:53,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:53,029 INFO L85 PathProgramCache]: Analyzing trace with hash -740576756, now seen corresponding path program 1 times [2023-11-29 04:01:53,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:53,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919985625] [2023-11-29 04:01:53,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:53,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:53,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:01:53,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:53,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919985625] [2023-11-29 04:01:53,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919985625] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:53,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:53,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:01:53,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712604547] [2023-11-29 04:01:53,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:53,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:01:53,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:53,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:01:53,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:01:53,100 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 342 [2023-11-29 04:01:53,102 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 249 transitions, 512 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:53,102 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:01:53,102 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 342 [2023-11-29 04:01:53,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:01:56,535 INFO L124 PetriNetUnfolderBase]: 16567/25536 cut-off events. [2023-11-29 04:01:56,535 INFO L125 PetriNetUnfolderBase]: For 781/1281 co-relation queries the response was YES. [2023-11-29 04:01:56,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48517 conditions, 25536 events. 16567/25536 cut-off events. For 781/1281 co-relation queries the response was YES. Maximal size of possible extension queue 1090. Compared 190008 event pairs, 16564 based on Foata normal form. 0/25429 useless extension candidates. Maximal degree in co-relation 48449. Up to 22038 conditions per place. [2023-11-29 04:01:56,666 INFO L140 encePairwiseOnDemand]: 339/342 looper letters, 37 selfloop transitions, 2 changer transitions 0/248 dead transitions. [2023-11-29 04:01:56,666 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 248 transitions, 588 flow [2023-11-29 04:01:56,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:01:56,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:01:56,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 772 transitions. [2023-11-29 04:01:56,669 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7524366471734892 [2023-11-29 04:01:56,669 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 772 transitions. [2023-11-29 04:01:56,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 772 transitions. [2023-11-29 04:01:56,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:01:56,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 772 transitions. [2023-11-29 04:01:56,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:56,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:56,674 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:56,674 INFO L175 Difference]: Start difference. First operand has 254 places, 249 transitions, 512 flow. Second operand 3 states and 772 transitions. [2023-11-29 04:01:56,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 248 transitions, 588 flow [2023-11-29 04:01:56,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 248 transitions, 584 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:01:56,678 INFO L231 Difference]: Finished difference. Result has 253 places, 248 transitions, 510 flow [2023-11-29 04:01:56,678 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=506, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=510, PETRI_PLACES=253, PETRI_TRANSITIONS=248} [2023-11-29 04:01:56,679 INFO L281 CegarLoopForPetriNet]: 322 programPoint places, -69 predicate places. [2023-11-29 04:01:56,679 INFO L495 AbstractCegarLoop]: Abstraction has has 253 places, 248 transitions, 510 flow [2023-11-29 04:01:56,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:56,680 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:01:56,680 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:01:56,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 04:01:56,680 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-29 04:01:56,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:01:56,681 INFO L85 PathProgramCache]: Analyzing trace with hash 844165695, now seen corresponding path program 1 times [2023-11-29 04:01:56,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:01:56,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749273266] [2023-11-29 04:01:56,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:01:56,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:01:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:01:56,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:01:56,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:01:56,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749273266] [2023-11-29 04:01:56,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749273266] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:01:56,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:01:56,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:01:56,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255878615] [2023-11-29 04:01:56,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:01:56,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:01:56,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:01:56,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:01:56,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:01:56,746 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 342 [2023-11-29 04:01:56,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 248 transitions, 510 flow. Second operand has 3 states, 3 states have (on average 247.33333333333334) internal successors, (742), 3 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:01:56,748 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:01:56,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 342 [2023-11-29 04:01:56,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:02:00,095 INFO L124 PetriNetUnfolderBase]: 16567/25535 cut-off events. [2023-11-29 04:02:00,095 INFO L125 PetriNetUnfolderBase]: For 781/1281 co-relation queries the response was YES. [2023-11-29 04:02:00,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48514 conditions, 25535 events. 16567/25535 cut-off events. For 781/1281 co-relation queries the response was YES. Maximal size of possible extension queue 1090. Compared 189956 event pairs, 16564 based on Foata normal form. 0/25429 useless extension candidates. Maximal degree in co-relation 48438. Up to 22036 conditions per place. [2023-11-29 04:02:00,233 INFO L140 encePairwiseOnDemand]: 339/342 looper letters, 35 selfloop transitions, 2 changer transitions 0/247 dead transitions. [2023-11-29 04:02:00,233 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 247 transitions, 582 flow [2023-11-29 04:02:00,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:02:00,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:02:00,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2023-11-29 04:02:00,236 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7563352826510721 [2023-11-29 04:02:00,236 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 776 transitions. [2023-11-29 04:02:00,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 776 transitions. [2023-11-29 04:02:00,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:02:00,236 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 776 transitions. [2023-11-29 04:02:00,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 258.6666666666667) internal successors, (776), 3 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:00,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:00,240 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:00,240 INFO L175 Difference]: Start difference. First operand has 253 places, 248 transitions, 510 flow. Second operand 3 states and 776 transitions. [2023-11-29 04:02:00,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 247 transitions, 582 flow [2023-11-29 04:02:00,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 247 transitions, 578 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:02:00,245 INFO L231 Difference]: Finished difference. Result has 252 places, 247 transitions, 508 flow [2023-11-29 04:02:00,246 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=504, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=508, PETRI_PLACES=252, PETRI_TRANSITIONS=247} [2023-11-29 04:02:00,246 INFO L281 CegarLoopForPetriNet]: 322 programPoint places, -70 predicate places. [2023-11-29 04:02:00,246 INFO L495 AbstractCegarLoop]: Abstraction has has 252 places, 247 transitions, 508 flow [2023-11-29 04:02:00,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 247.33333333333334) internal successors, (742), 3 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:00,247 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:02:00,247 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:00,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 04:02:00,248 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-29 04:02:00,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:00,248 INFO L85 PathProgramCache]: Analyzing trace with hash 871374204, now seen corresponding path program 1 times [2023-11-29 04:02:00,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:02:00,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246842594] [2023-11-29 04:02:00,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:00,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:02:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:00,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:02:00,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:02:00,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246842594] [2023-11-29 04:02:00,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246842594] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:00,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:00,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:02:00,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366781769] [2023-11-29 04:02:00,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:00,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:02:00,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:02:00,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:02:00,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:02:00,308 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 342 [2023-11-29 04:02:00,309 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 247 transitions, 508 flow. Second operand has 3 states, 3 states have (on average 247.33333333333334) internal successors, (742), 3 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:00,309 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:02:00,309 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 342 [2023-11-29 04:02:00,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:02:03,806 INFO L124 PetriNetUnfolderBase]: 16567/25534 cut-off events. [2023-11-29 04:02:03,806 INFO L125 PetriNetUnfolderBase]: For 781/1281 co-relation queries the response was YES. [2023-11-29 04:02:03,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48513 conditions, 25534 events. 16567/25534 cut-off events. For 781/1281 co-relation queries the response was YES. Maximal size of possible extension queue 1090. Compared 190172 event pairs, 16564 based on Foata normal form. 0/25429 useless extension candidates. Maximal degree in co-relation 48429. Up to 22036 conditions per place. [2023-11-29 04:02:03,925 INFO L140 encePairwiseOnDemand]: 339/342 looper letters, 35 selfloop transitions, 2 changer transitions 0/246 dead transitions. [2023-11-29 04:02:03,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 246 transitions, 580 flow [2023-11-29 04:02:03,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:02:03,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:02:03,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2023-11-29 04:02:03,928 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7563352826510721 [2023-11-29 04:02:03,928 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 776 transitions. [2023-11-29 04:02:03,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 776 transitions. [2023-11-29 04:02:03,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:02:03,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 776 transitions. [2023-11-29 04:02:03,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 258.6666666666667) internal successors, (776), 3 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:03,933 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:03,933 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:03,933 INFO L175 Difference]: Start difference. First operand has 252 places, 247 transitions, 508 flow. Second operand 3 states and 776 transitions. [2023-11-29 04:02:03,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 246 transitions, 580 flow [2023-11-29 04:02:03,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 246 transitions, 576 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:02:03,939 INFO L231 Difference]: Finished difference. Result has 251 places, 246 transitions, 506 flow [2023-11-29 04:02:03,939 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=502, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=506, PETRI_PLACES=251, PETRI_TRANSITIONS=246} [2023-11-29 04:02:03,940 INFO L281 CegarLoopForPetriNet]: 322 programPoint places, -71 predicate places. [2023-11-29 04:02:03,940 INFO L495 AbstractCegarLoop]: Abstraction has has 251 places, 246 transitions, 506 flow [2023-11-29 04:02:03,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 247.33333333333334) internal successors, (742), 3 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:03,941 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:02:03,941 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:03,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 04:02:03,941 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-29 04:02:03,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:03,942 INFO L85 PathProgramCache]: Analyzing trace with hash 506433584, now seen corresponding path program 1 times [2023-11-29 04:02:03,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:02:03,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324390985] [2023-11-29 04:02:03,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:03,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:02:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:03,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:02:03,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:02:03,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324390985] [2023-11-29 04:02:03,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324390985] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:03,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:03,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:02:03,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029712869] [2023-11-29 04:02:03,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:03,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:02:03,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:02:03,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:02:03,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:02:04,001 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 342 [2023-11-29 04:02:04,002 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 246 transitions, 506 flow. Second operand has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:04,002 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:02:04,002 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 342 [2023-11-29 04:02:04,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:02:07,146 INFO L124 PetriNetUnfolderBase]: 16567/25533 cut-off events. [2023-11-29 04:02:07,146 INFO L125 PetriNetUnfolderBase]: For 781/1281 co-relation queries the response was YES. [2023-11-29 04:02:07,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48513 conditions, 25533 events. 16567/25533 cut-off events. For 781/1281 co-relation queries the response was YES. Maximal size of possible extension queue 1090. Compared 189621 event pairs, 16564 based on Foata normal form. 0/25429 useless extension candidates. Maximal degree in co-relation 48421. Up to 22037 conditions per place. [2023-11-29 04:02:07,297 INFO L140 encePairwiseOnDemand]: 339/342 looper letters, 36 selfloop transitions, 2 changer transitions 0/245 dead transitions. [2023-11-29 04:02:07,297 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 245 transitions, 580 flow [2023-11-29 04:02:07,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:02:07,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:02:07,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 774 transitions. [2023-11-29 04:02:07,299 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7543859649122807 [2023-11-29 04:02:07,300 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 774 transitions. [2023-11-29 04:02:07,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 774 transitions. [2023-11-29 04:02:07,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:02:07,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 774 transitions. [2023-11-29 04:02:07,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:07,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:07,304 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:07,304 INFO L175 Difference]: Start difference. First operand has 251 places, 246 transitions, 506 flow. Second operand 3 states and 774 transitions. [2023-11-29 04:02:07,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 245 transitions, 580 flow [2023-11-29 04:02:07,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 245 transitions, 576 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:02:07,309 INFO L231 Difference]: Finished difference. Result has 250 places, 245 transitions, 504 flow [2023-11-29 04:02:07,309 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=504, PETRI_PLACES=250, PETRI_TRANSITIONS=245} [2023-11-29 04:02:07,310 INFO L281 CegarLoopForPetriNet]: 322 programPoint places, -72 predicate places. [2023-11-29 04:02:07,310 INFO L495 AbstractCegarLoop]: Abstraction has has 250 places, 245 transitions, 504 flow [2023-11-29 04:02:07,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:07,311 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:02:07,311 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:07,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 04:02:07,311 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-29 04:02:07,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:07,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1617719957, now seen corresponding path program 1 times [2023-11-29 04:02:07,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:02:07,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211890522] [2023-11-29 04:02:07,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:07,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:02:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:07,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:02:07,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:02:07,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211890522] [2023-11-29 04:02:07,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211890522] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:07,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:07,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:02:07,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993132330] [2023-11-29 04:02:07,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:07,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:02:07,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:02:07,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:02:07,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:02:07,381 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 342 [2023-11-29 04:02:07,383 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 245 transitions, 504 flow. Second operand has 3 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:07,383 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:02:07,383 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 342 [2023-11-29 04:02:07,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:02:12,649 INFO L124 PetriNetUnfolderBase]: 25536/44095 cut-off events. [2023-11-29 04:02:12,649 INFO L125 PetriNetUnfolderBase]: For 1441/2259 co-relation queries the response was YES. [2023-11-29 04:02:12,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79805 conditions, 44095 events. 25536/44095 cut-off events. For 1441/2259 co-relation queries the response was YES. Maximal size of possible extension queue 2011. Compared 401733 event pairs, 11594 based on Foata normal form. 3/43428 useless extension candidates. Maximal degree in co-relation 79706. Up to 18800 conditions per place. [2023-11-29 04:02:12,909 INFO L140 encePairwiseOnDemand]: 328/342 looper letters, 56 selfloop transitions, 11 changer transitions 0/271 dead transitions. [2023-11-29 04:02:12,909 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 271 transitions, 698 flow [2023-11-29 04:02:12,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:02:12,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:02:12,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 802 transitions. [2023-11-29 04:02:12,911 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7816764132553606 [2023-11-29 04:02:12,911 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 802 transitions. [2023-11-29 04:02:12,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 802 transitions. [2023-11-29 04:02:12,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:02:12,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 802 transitions. [2023-11-29 04:02:12,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 267.3333333333333) internal successors, (802), 3 states have internal predecessors, (802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:12,914 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:12,915 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:12,915 INFO L175 Difference]: Start difference. First operand has 250 places, 245 transitions, 504 flow. Second operand 3 states and 802 transitions. [2023-11-29 04:02:12,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 271 transitions, 698 flow [2023-11-29 04:02:12,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 271 transitions, 694 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:02:12,920 INFO L231 Difference]: Finished difference. Result has 249 places, 252 transitions, 578 flow [2023-11-29 04:02:12,920 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=578, PETRI_PLACES=249, PETRI_TRANSITIONS=252} [2023-11-29 04:02:12,921 INFO L281 CegarLoopForPetriNet]: 322 programPoint places, -73 predicate places. [2023-11-29 04:02:12,921 INFO L495 AbstractCegarLoop]: Abstraction has has 249 places, 252 transitions, 578 flow [2023-11-29 04:02:12,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:12,922 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:02:12,922 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:12,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 04:02:12,922 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-29 04:02:12,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:12,923 INFO L85 PathProgramCache]: Analyzing trace with hash -149246050, now seen corresponding path program 1 times [2023-11-29 04:02:12,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:02:12,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322810480] [2023-11-29 04:02:12,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:12,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:02:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:12,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:02:12,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:02:12,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322810480] [2023-11-29 04:02:12,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322810480] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:12,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:12,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:02:12,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957425866] [2023-11-29 04:02:12,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:12,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:02:12,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:02:12,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:02:12,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:02:12,974 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 342 [2023-11-29 04:02:12,975 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 252 transitions, 578 flow. Second operand has 3 states, 3 states have (on average 251.0) internal successors, (753), 3 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:12,975 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:02:12,975 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 342 [2023-11-29 04:02:12,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:02:18,006 INFO L124 PetriNetUnfolderBase]: 25536/39714 cut-off events. [2023-11-29 04:02:18,007 INFO L125 PetriNetUnfolderBase]: For 16762/17189 co-relation queries the response was YES. [2023-11-29 04:02:18,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98441 conditions, 39714 events. 25536/39714 cut-off events. For 16762/17189 co-relation queries the response was YES. Maximal size of possible extension queue 1844. Compared 314602 event pairs, 16446 based on Foata normal form. 1/39370 useless extension candidates. Maximal degree in co-relation 66248. Up to 34337 conditions per place. [2023-11-29 04:02:18,294 INFO L140 encePairwiseOnDemand]: 335/342 looper letters, 47 selfloop transitions, 6 changer transitions 0/260 dead transitions. [2023-11-29 04:02:18,294 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 260 transitions, 704 flow [2023-11-29 04:02:18,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:02:18,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:02:18,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 794 transitions. [2023-11-29 04:02:18,296 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7738791423001949 [2023-11-29 04:02:18,296 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 794 transitions. [2023-11-29 04:02:18,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 794 transitions. [2023-11-29 04:02:18,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:02:18,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 794 transitions. [2023-11-29 04:02:18,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.6666666666667) internal successors, (794), 3 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:18,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:18,300 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:18,300 INFO L175 Difference]: Start difference. First operand has 249 places, 252 transitions, 578 flow. Second operand 3 states and 794 transitions. [2023-11-29 04:02:18,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 260 transitions, 704 flow [2023-11-29 04:02:18,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 260 transitions, 682 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:02:18,615 INFO L231 Difference]: Finished difference. Result has 249 places, 256 transitions, 592 flow [2023-11-29 04:02:18,616 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=592, PETRI_PLACES=249, PETRI_TRANSITIONS=256} [2023-11-29 04:02:18,616 INFO L281 CegarLoopForPetriNet]: 322 programPoint places, -73 predicate places. [2023-11-29 04:02:18,617 INFO L495 AbstractCegarLoop]: Abstraction has has 249 places, 256 transitions, 592 flow [2023-11-29 04:02:18,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 251.0) internal successors, (753), 3 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:18,617 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:02:18,617 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:18,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 04:02:18,617 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-29 04:02:18,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:18,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1445873431, now seen corresponding path program 1 times [2023-11-29 04:02:18,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:02:18,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701059667] [2023-11-29 04:02:18,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:18,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:02:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:18,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:02:18,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:02:18,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701059667] [2023-11-29 04:02:18,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701059667] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:18,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:18,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:02:18,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107129206] [2023-11-29 04:02:18,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:18,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:02:18,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:02:18,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:02:18,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:02:18,666 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 342 [2023-11-29 04:02:18,667 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 256 transitions, 592 flow. Second operand has 3 states, 3 states have (on average 251.0) internal successors, (753), 3 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:18,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:02:18,667 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 342 [2023-11-29 04:02:18,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:02:25,776 INFO L124 PetriNetUnfolderBase]: 36105/55539 cut-off events. [2023-11-29 04:02:25,777 INFO L125 PetriNetUnfolderBase]: For 18056/18483 co-relation queries the response was YES. [2023-11-29 04:02:25,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 138041 conditions, 55539 events. 36105/55539 cut-off events. For 18056/18483 co-relation queries the response was YES. Maximal size of possible extension queue 2577. Compared 450217 event pairs, 23651 based on Foata normal form. 0/55125 useless extension candidates. Maximal degree in co-relation 71377. Up to 35563 conditions per place. [2023-11-29 04:02:26,139 INFO L140 encePairwiseOnDemand]: 339/342 looper letters, 85 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2023-11-29 04:02:26,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 293 transitions, 906 flow [2023-11-29 04:02:26,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:02:26,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:02:26,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 809 transitions. [2023-11-29 04:02:26,141 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7884990253411306 [2023-11-29 04:02:26,141 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 809 transitions. [2023-11-29 04:02:26,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 809 transitions. [2023-11-29 04:02:26,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:02:26,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 809 transitions. [2023-11-29 04:02:26,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.6666666666667) internal successors, (809), 3 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:26,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:26,146 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:26,146 INFO L175 Difference]: Start difference. First operand has 249 places, 256 transitions, 592 flow. Second operand 3 states and 809 transitions. [2023-11-29 04:02:26,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 293 transitions, 906 flow [2023-11-29 04:02:26,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 293 transitions, 895 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:02:26,154 INFO L231 Difference]: Finished difference. Result has 250 places, 256 transitions, 594 flow [2023-11-29 04:02:26,154 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=594, PETRI_PLACES=250, PETRI_TRANSITIONS=256} [2023-11-29 04:02:26,155 INFO L281 CegarLoopForPetriNet]: 322 programPoint places, -72 predicate places. [2023-11-29 04:02:26,155 INFO L495 AbstractCegarLoop]: Abstraction has has 250 places, 256 transitions, 594 flow [2023-11-29 04:02:26,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 251.0) internal successors, (753), 3 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:26,156 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:02:26,156 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:26,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 04:02:26,156 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-29 04:02:26,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:26,157 INFO L85 PathProgramCache]: Analyzing trace with hash 2095434893, now seen corresponding path program 1 times [2023-11-29 04:02:26,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:02:26,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233212193] [2023-11-29 04:02:26,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:26,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:02:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:26,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:02:26,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:02:26,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233212193] [2023-11-29 04:02:26,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233212193] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:26,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:26,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:02:26,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223671689] [2023-11-29 04:02:26,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:26,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:02:26,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:02:26,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:02:26,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:02:26,212 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 342 [2023-11-29 04:02:26,213 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 256 transitions, 594 flow. Second operand has 3 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:26,213 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:02:26,213 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 342 [2023-11-29 04:02:26,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:02:34,163 INFO L124 PetriNetUnfolderBase]: 41025/62329 cut-off events. [2023-11-29 04:02:34,163 INFO L125 PetriNetUnfolderBase]: For 22356/22933 co-relation queries the response was YES. [2023-11-29 04:02:34,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 159181 conditions, 62329 events. 41025/62329 cut-off events. For 22356/22933 co-relation queries the response was YES. Maximal size of possible extension queue 2781. Compared 500314 event pairs, 26319 based on Foata normal form. 1/61764 useless extension candidates. Maximal degree in co-relation 111571. Up to 50029 conditions per place. [2023-11-29 04:02:34,612 INFO L140 encePairwiseOnDemand]: 334/342 looper letters, 77 selfloop transitions, 5 changer transitions 3/287 dead transitions. [2023-11-29 04:02:34,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 287 transitions, 875 flow [2023-11-29 04:02:34,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:02:34,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:02:34,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 801 transitions. [2023-11-29 04:02:34,615 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7807017543859649 [2023-11-29 04:02:34,615 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 801 transitions. [2023-11-29 04:02:34,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 801 transitions. [2023-11-29 04:02:34,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:02:34,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 801 transitions. [2023-11-29 04:02:34,617 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 267.0) internal successors, (801), 3 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:34,619 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:34,619 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 342.0) internal successors, (1368), 4 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:34,619 INFO L175 Difference]: Start difference. First operand has 250 places, 256 transitions, 594 flow. Second operand 3 states and 801 transitions. [2023-11-29 04:02:34,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 287 transitions, 875 flow [2023-11-29 04:02:34,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 287 transitions, 872 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:02:34,626 INFO L231 Difference]: Finished difference. Result has 250 places, 255 transitions, 612 flow [2023-11-29 04:02:34,626 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=250, PETRI_TRANSITIONS=255} [2023-11-29 04:02:34,626 INFO L281 CegarLoopForPetriNet]: 322 programPoint places, -72 predicate places. [2023-11-29 04:02:34,627 INFO L495 AbstractCegarLoop]: Abstraction has has 250 places, 255 transitions, 612 flow [2023-11-29 04:02:34,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:34,627 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:02:34,627 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:34,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 04:02:34,627 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-29 04:02:34,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:34,628 INFO L85 PathProgramCache]: Analyzing trace with hash -783172542, now seen corresponding path program 1 times [2023-11-29 04:02:34,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:02:34,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077571435] [2023-11-29 04:02:34,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:34,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:02:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:35,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:02:35,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:02:35,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077571435] [2023-11-29 04:02:35,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077571435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:35,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:35,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:02:35,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555561691] [2023-11-29 04:02:35,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:35,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:02:35,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:02:35,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:02:35,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:02:35,933 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 342 [2023-11-29 04:02:35,934 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 255 transitions, 612 flow. Second operand has 6 states, 6 states have (on average 246.0) internal successors, (1476), 6 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:02:35,934 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:02:35,935 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 342 [2023-11-29 04:02:35,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:03:10,727 INFO L124 PetriNetUnfolderBase]: 233525/313929 cut-off events. [2023-11-29 04:03:10,727 INFO L125 PetriNetUnfolderBase]: For 216341/216341 co-relation queries the response was YES. [2023-11-29 04:03:11,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 855225 conditions, 313929 events. 233525/313929 cut-off events. For 216341/216341 co-relation queries the response was YES. Maximal size of possible extension queue 10720. Compared 2233857 event pairs, 22736 based on Foata normal form. 0/312064 useless extension candidates. Maximal degree in co-relation 763431. Up to 102884 conditions per place. [2023-11-29 04:03:12,594 INFO L140 encePairwiseOnDemand]: 337/342 looper letters, 217 selfloop transitions, 4 changer transitions 0/418 dead transitions. [2023-11-29 04:03:12,594 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 418 transitions, 1716 flow [2023-11-29 04:03:12,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:03:12,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:03:12,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1586 transitions. [2023-11-29 04:03:12,598 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7729044834307992 [2023-11-29 04:03:12,598 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1586 transitions. [2023-11-29 04:03:12,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1586 transitions. [2023-11-29 04:03:12,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:03:12,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1586 transitions. [2023-11-29 04:03:12,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 264.3333333333333) internal successors, (1586), 6 states have internal predecessors, (1586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:03:12,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 342.0) internal successors, (2394), 7 states have internal predecessors, (2394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:03:12,607 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 342.0) internal successors, (2394), 7 states have internal predecessors, (2394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:03:12,607 INFO L175 Difference]: Start difference. First operand has 250 places, 255 transitions, 612 flow. Second operand 6 states and 1586 transitions. [2023-11-29 04:03:12,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 418 transitions, 1716 flow [2023-11-29 04:03:12,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 418 transitions, 1695 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:03:12,644 INFO L231 Difference]: Finished difference. Result has 250 places, 254 transitions, 613 flow [2023-11-29 04:03:12,644 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=605, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=613, PETRI_PLACES=250, PETRI_TRANSITIONS=254} [2023-11-29 04:03:12,645 INFO L281 CegarLoopForPetriNet]: 322 programPoint places, -72 predicate places. [2023-11-29 04:03:12,645 INFO L495 AbstractCegarLoop]: Abstraction has has 250 places, 254 transitions, 613 flow [2023-11-29 04:03:12,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 246.0) internal successors, (1476), 6 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:03:12,645 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:03:12,646 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:12,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 04:03:12,646 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2023-11-29 04:03:12,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:12,646 INFO L85 PathProgramCache]: Analyzing trace with hash 940462981, now seen corresponding path program 1 times [2023-11-29 04:03:12,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:12,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525778503] [2023-11-29 04:03:12,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:12,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:13,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:03:13,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:13,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525778503] [2023-11-29 04:03:13,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525778503] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:13,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:13,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:03:13,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153054844] [2023-11-29 04:03:13,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:13,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:03:13,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:13,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:03:13,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:03:13,409 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 342 [2023-11-29 04:03:13,410 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 254 transitions, 613 flow. Second operand has 6 states, 6 states have (on average 247.0) internal successors, (1482), 6 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:03:13,411 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:03:13,411 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 342 [2023-11-29 04:03:13,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand